OXYGEN SCAVENGERS IN PLASTIC FORMULATIONS

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Solicitudes publicadas en los últimos 180 días / Applications published in the last 180 days



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Stabilising Composition

Publication No.: US2023015239A1 19/01/2023

Applicant:

SI GROUP INC [US]

US_2020071490_A1

Absstract of: US2023015239A1

The invention concerns a stabilising composition, comprising: at least one antioxidant comprising one or more of: a phenolic antioxidant, a phosphite antioxidant, a sulphur-containing antioxidant, and an aminic antioxidant; and at least one buffering agent, wherein the buffering agent has the capacity to buffer in aqueous solution at a pH range from 4 to 8.

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ASSEMBLY DEFINING A CHAMBER FOR AN ACTIVE MATERIAL

Publication No.: US2023013817A1 19/01/2023

Applicant:

AIRNOV INC [US]

KR_20220123456_PA

Absstract of: US2023013817A1

This assembly includes a tubular body and a cap attached to the tubular body to define a chamber for an active material. The tubular body includes a transverse wall and a peripheral wall and the cap includes a base wall and a side wall. The chamber is delimited by a part of the tubular body including the transverse wall and is closed by the cap. The side wall of the cap on its periphery includes a plurality of longitudinal features in relief which cooperate by mutual engagement with complementary longitudinal features in relief provided on the peripheral wall of the tubular body substantially parallel to its longitudinal axis (X2).

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Composition

Publication No.: EP4118140A1 18/01/2023

Applicant:

SI GROUP SWITZERLAND GMBH [CH]

CA_3171050_PA

Absstract of: GB2592952A

A hydrolytically stabilised phosphite composition comprises a liquid phosphite antioxidant containing a blend of phosphites of Formula I, wherein at least one of R4, R5, and R6 is t-butyl or t-pentyl and the rest are hydrogen or C1-6 alkyl. The composition also comprises a nitrogen compound lacking labile protons, wherein the nitrogen atom is sp3 hydridised with a pKaH of 7-11. The nitrogen compound may be present in an amount of 0.01-10 wt.%. Typically, the phosphites are chosen from tris(4-tert-butylphenyl) phosphite, tris(2,4-di-tert-butylphenyl) phosphite, bis(4-tert-butylphenyl)-2,4-di-tert-butylphenyl phosphite, bis(2,4-di-tert-butylphenyl)-4-tert-butylphenyl phosphite, tris(4-tert-pentylphenyl) phosphite, tris(2,4-di-tertpentylphenyl) phosphite, bis(4-tert-pentylphenyl)-2,4-di-tert-pentylphenyl phosphite, and bis(2,4-di-tert-pentylphenyl)-4-tert-pentylphenyl phosphite. Preferably, the nitrogen compound is bis(1,2,2,6,6-pentamethyl-4-piperidyl) sebacate, bis(2,2,6,6-tetramethyl-4-piperidyl) sebacate, N,N’-bis(2,2,6,6-tetramethyl-4-piperidyl)-N,N’-diformylhexamethylene diamine, 2,2,6,6-tetramethyl-4-piperidinyl stearate, 1,4-diazabicyclo[2.2.2]octane, diisopropyl ethylamine, triacetonamine, N-methylmorpholine, 3,3,5,5-tetramethylmorpholine, 4-tert-butylmorpholine, or a mixture of bis(1,2,2,6,6-pentamethyl-4-piperidyl) sebacate and methyl(1,2,2,6,6-pentamethyl-4-piperidinyl) sebacate. A stabilised polymer composition comprises the phosphite composition and a polymer.

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DAUCUS-BASED COMPOSITIONS FOR OXYGEN MODIFIED PACKAGING

Publication No.: EP4114750A2 11/01/2023

Applicant:

CSP TECHNOLOGIES INC [US]

KR_20220150331_PA

Absstract of: WO2021217159A2

Disclosed are daucus-based oxygen scavenging compositions and materials, particularly of the carrot species, and their methods of use in containers and packaging of oxygen sensitive products. Further disclosed are daucus-based oxygen scavenging materials used in combination with tea-based oxygen scavenging compositions. Such compositions, materials and containers are of use for preserving the shelf-life of a myriad of products such as foods, pharmaceuticals, cosmetics, tobacco and cannabis.

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PACKAGED, SEALED CONTAINER SYSTEM FOR STABLE STORAGE OF AN OXYGEN SENSITIVE PHARMACEUTICAL FORMULATION

Publication No.: EP4114336A1 11/01/2023

Applicant:

BAXTER INT [US]
BAXTER HEALTHCARE SA [CH]

US_2021275470_A1

Absstract of: WO2021178946A1

A packaged, sealed container system for stable storage of a formulation of an oxygen-sensitive pharmaceutical compound, the packaged, sealed container system comprising a primary container including therein a formulation of an oxygen-sensitive pharmaceutical compound, a secondary outer container comprising a first flexible sheet layer, an opposing second flexible sheet layer, and a seal disposed along a common peripheral edge of the first and second flexible sheet layers, such that the primary container is disposed between and enclosed by the first and second flexible sheet layers of the secondary outer container. An oxygen scavenger is also disposed between and enclosed by the first and second flexible sheet layers of the secondary outer container. The oxygen scavenger is in fluid communication with the contents of the primary container.

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TEA-BASED COMPOSITIONS FOR OXYGEN MODIFIED PACKAGING

Publication No.: EP4114751A2 11/01/2023

Applicant:

CSP TECHNOLOGIES INC [US]

CN_115427319_A

Absstract of: WO2021217160A2

Disclosed are compositions comprising tea-based oxygen scavenging active agents polymer compositions, including polymer compositions, materials, and containers that incorporate such agents from the Camellia sinensis plant for use in packaging and storing of oxygen sensitive products. Such compositions, materials and containers are of use for preserving the shelf-life of products such as foods, pharmaceuticals, cosmetics, tobacco and cannabis.

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RECYCLABLE PACKAGING FILM

Publication No.: WO2023277861A1 05/01/2023

Applicant:

AMCOR FLEXIBLE NORTH AMERICA INC [US]

Absstract of: WO2023277861A1

A recyclable packaging film includes an irradiated first film and a second film laminated to the first film. The first film includes a first polypropylene layer, a second polypropylene layer, and an ethylene vinyl alcohol (EVOH) layer between the first and second polypropylene layers.

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PACKAGING FILM HAVING OXYGEN BARRIER

Publication No.: WO2023277862A1 05/01/2023

Applicant:

AMCOR FLEXIBLE NORTH AMERICA INC [US]

Absstract of: WO2023277862A1

A non-shrink, irradiated packaging film includes first, second, third, and fourth layers of polyamide (PA); a first polyethylene vinyl alcohol (EVOH) layer between the first and second PA layers: a second EVOH layer between the third and fourth PA layers; a mid-layer between the second and third PA layers; and first and second polyethylene (PE) layers. The first, second, third, and fourth PA layers, the first and second EVOH layers, and the mid-layer are between the first and second PE layers. The mid-layer may be formed from a polymer.

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ADDITIVE COMPOSITION

Publication No.: WO2022269249A1 29/12/2022

Applicant:

SYMPHONY ENV LTD [GB]

Absstract of: WO2022269249A1

The present invention relates to an additive composition for a polymer substrate and a method of making the same. The additive composition comprises a carrier material, an oxygen scavenger, and either an antimicrobial substance or a food preservative. The oxygen scavenger, antimicrobial substance and food preservative are different materials.

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FOOD PACKAGE FOR AMINES CONTROL OR REMOVAL

Publication No.: US2022401919A1 22/12/2022

Applicant:

GETTERS SPA [IT]

Absstract of: US2022401919A1

A food package suitable for manufacturing as a closed packaging system contains an amine-absorbent element comprising ammonium-exchanged mordenite (MOR) type zeolites and optionally further comprises ZnO-doped Faujasite (FAU) type zeolites and/or CuO-doped ZSM-5 type zeolites.

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PACKAGE OF A TOBACCO OR NICOTINE CONTAINING PRODUCT COMPRISING A MOISTURE REGULATING PRODUCT

Publication No.: BR112022022391A2 13/12/2022

Applicant:

PHILIP MORRIS PRODUCTS SA [CH]

CN_115515708_PA

Absstract of: WO2021224277A2

Package of a tobacco or nicotine containing product comprising a packaging material having a moisture regulating product, the moisture regulating product comprising at least one Metal-organic framework compound.

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ANAEROBIC BLOOD STORAGE CONTAINERS

Publication No.: AU2022263500A1 08/12/2022

Applicant:

HEMANEXT INC [US]

JP_2022141824_PA

Absstract of: AU2022263500A1

A blood storage container (20) for the anaerobic storage of blood, having enhanced sealing methods and materials for the preservation of stored blood is provided. The blood storage container (20) comprises an outer receptacle (201) that is substantially impermeable 5 to oxygen, an inner collapsible container (202) situated within said outer receptacle (201) and at least one oxygen and carbon dioxide sorbent situated between said inner collapsible container (202) and said outer receptacle (201). At least one inlet/outlet (30) passes through the outer receptacle 201 and comprising a bond (302) that is substantially impermeable to oxygen. The inlet/outlet (30) is in fluid communication with the collapsible container (202). 10 Oxygen depleted blood having an oxygen saturation level of less than 20% may be maintained in the storage container in an oxygen depleted state for at least 21 days Figure 1A 202 ... 215 40 AAOAO~naOOAOAAOAOO .213

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PLASTIC CONTAINER WITH OXYGEN SCAVENGER AND PASSIVE OXYGEN BARRIER IN BODY PORTION

Publication No.: WO2022256496A1 08/12/2022

Applicant:

NIAGARA BOTTLING LLC [US]

Absstract of: WO2022256496A1

Described herein are containers and methods of manufacturing the same. In one embodiment, a container is disclosed that comprises a body portion comprising polyethylene terephthalate (PET) material, one or more oxygen scavengers interspersed within the PET material, and one or more passive oxygen barriers interspersed within the PET material. In another embodiment, a method of manufacturing a container is disclosed that comprises blending a PET resin with one or more oxygen scavengers and one or more passive oxygen barriers. In another embodiment, a method of manufacturing a container is disclosed that comprises injection molding multiple PET resin layers, wherein the multiple PET resin layers may comprise one or more oxygen scavengers, one or more passive oxygen barriers, or a combination thereof.

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Non-dust blend

Publication No.: EP4097174A1 07/12/2022

Applicant:

SI GROUP SWITZERLAND CHAA GMBH [CH]

Absstract of: GB2591482A

A non-dust blend comprises tris(2-t-butylphenyl)phosphite, wherein dust may be defined as particles capable of passing through sieve apertures of 0.5 mm. Typically, the amount of dust in the blend is <1 wt.%. The blend may also comprise a fully hindered phenolic antioxidant, e.g. tetrakismethylene(3,5-di-t-butyl-4-hydroxyhydrocinnamate)methane, 2,2’-thiodiethylene bis[3(3,5-di-t-butyl-4- hydroxyphenyl)propionate], octadecyl 3-(3’,5’-di-t-butyl-4’-hydroxyphenyl)propionate, 1,3,5-tris(3,5-di-t-butyl-4-hydroxybenzyl)isocyanurate, 1,3,5-trimethyl-2,4,6-tris(3,5-di-t-butyl-4-hydroxybenzyl)benzene, N,N’-hexamethylenebis[3-(3,5-di-t-butyl-4-hydroxyphenyl)propionamide], 1,2-bis(3,5-di-t-butyl-4-hydroxyhydrocinnamoyl)hydrazine, 2,2’-ethylidenebis[4,6-di-t-butylphenol], or butylated hydroxytoluene. A process for forming the non-dust blend comprises the steps of (i) extruding or otherwise processing tris(2-t-butylphenyl)phosphite to provide a substrate, (ii) cooling the substrate, and (iii) optionally fragmenting the cooled substrate. Step (i) may be performed using a screw or die extruder. The process may include the step of removing the dust by sieving. In an alternative method, the non-dust blend is formed using cold extrusion and compaction. Use of the blend to stabilise a polymer is also disclosed. The amount of the blend in a stabilised polymer composition is preferably 0.01-5 wt.%.

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HIGH BARRIER PAPERBOARD AND PAPERBOARD CONTAINERS

Publication No.: US2022372709A1 24/11/2022

Applicant:

WESTROCK MWV LLC [US]

JP_2022547713_PA

Absstract of: US2022372709A1

A high barrier paperboard includes a paperboard substrate having a first major side and a second major side, at least one ethylene-vinyl alcohol layer on the first major side of the paperboard substrate, and at least one nucleated polyethylene layer on the first major side of the paperboard substrate.

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PACKAGING

Publication No.: US2022372277A1 24/11/2022

Applicant:

COLORMATRIX HOLDINGS INC [US]
AVIENT CORP [US]

BR_112022008400_A2

Absstract of: US2022372277A1

A preform is made by mixing cyclic olefin copolymer (COC) and light shielding pigment(s) with PET. The preform is stretch-blow moulded to produce a bottle which may be white and opaque. Light may be restricted from entering the bottle to thereby restrict degradation of the bottle contents from certain wavelengths of visible light.

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ACTIVE POLYMER LINER FOR INDUCTION SEAL, AND METHOD OF MAKING AND USING SAME

Publication No.: WO2022246448A1 24/11/2022

Applicant:

CSP TECHNOLOGIES INC [US]

Absstract of: WO2022246448A1

Induction seal liners for containers include active polymer compositions that function as active agents within the container during storage of products and which may be easily removed and discarded after opening the container. The active agents can include antioxidant or oxygen scavenging materials, anti-melonosic agents, desiccants, antimicrobial agents, odor reducing agents, and others. The induction seal liners herein extend the shelf life of products while affixed to the opening of a container. An induction seal for a container, the induction seal comprising: a mounting sheet; and an induction seal liner attached to a headspace-facing surface of the mounting sheet, the induction seal liner comprising an active polymer component including a multiphase polymer composition, wherein a mounting portion is located or exposed between an outer edge of the induction seal liner and an outer edge of the mounting sheet.

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Composition

Publication No.: BR112022018114A2 22/11/2022

Applicant:

SI GROUP SWITZERLAND GMBH [CH]

CA_3171050_PA

Absstract of: GB2592952A

A hydrolytically stabilised phosphite composition comprises a liquid phosphite antioxidant containing a blend of phosphites of Formula I, wherein at least one of R4, R5, and R6 is t-butyl or t-pentyl and the rest are hydrogen or C1-6 alkyl. The composition also comprises a nitrogen compound lacking labile protons, wherein the nitrogen atom is sp3 hydridised with a pKaH of 7-11. The nitrogen compound may be present in an amount of 0.01-10 wt.%. Typically, the phosphites are chosen from tris(4-tert-butylphenyl) phosphite, tris(2,4-di-tert-butylphenyl) phosphite, bis(4-tert-butylphenyl)-2,4-di-tert-butylphenyl phosphite, bis(2,4-di-tert-butylphenyl)-4-tert-butylphenyl phosphite, tris(4-tert-pentylphenyl) phosphite, tris(2,4-di-tertpentylphenyl) phosphite, bis(4-tert-pentylphenyl)-2,4-di-tert-pentylphenyl phosphite, and bis(2,4-di-tert-pentylphenyl)-4-tert-pentylphenyl phosphite. Preferably, the nitrogen compound is bis(1,2,2,6,6-pentamethyl-4-piperidyl) sebacate, bis(2,2,6,6-tetramethyl-4-piperidyl) sebacate, N,N’-bis(2,2,6,6-tetramethyl-4-piperidyl)-N,N’-diformylhexamethylene diamine, 2,2,6,6-tetramethyl-4-piperidinyl stearate, 1,4-diazabicyclo[2.2.2]octane, diisopropyl ethylamine, triacetonamine, N-methylmorpholine, 3,3,5,5-tetramethylmorpholine, 4-tert-butylmorpholine, or a mixture of bis(1,2,2,6,6-pentamethyl-4-piperidyl) sebacate and methyl(1,2,2,6,6-pentamethyl-4-piperidinyl) sebacate. A stabilised polymer composition comprises the phosphite composition and a polymer.

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ASSEMBLY DEFINING A CHAMBER FOR AN ACTIVE MATERIAL

Publication No.: EP4085013A1 09/11/2022

Applicant:

AIRNOV INC [US]

KR_20220123456_PA

Absstract of: WO2021136829A1

This assembly (1) comprises a tubular body (2) and a cap (4) configured to be attached to the tubular body (2) so as to define a chamber (6) for an active material (5). The tubular body (2) comprises a transverse wall (20) and a peripheral wall (22), whereas the cap (4) comprises a base wall (40) and a side wall (42). The chamber (6) is delimited by a part (24) of the tubular body (2) including the transverse wall (20) and is closed by the cap (4). The side wall (42) of the cap (4) comprises on its periphery a plurality of longitudinal features in relief (47) configured to cooperate by mutual engagement with complementary longitudinal features in relief (27) provided on the peripheral wall (22) of the tubular body (2) substantially parallel to its longitudinal axis (X2), and at least one longitudinal feature in relief (27, 47) of one among the cap (4) and the tubular body (2) has two flanks inclined with respect to a radial direction of the cap or tubular body passing through the feature in relief. The cap (4) is anchored relative to the tubular body (2) by surface interference and, in the anchored configuration, both inclined flanks of the at least one longitudinal feature in relief of the one among the cap and the tubular body are in contact with a complementary longitudinal feature in relief of the other one among the cap and the tubular body.

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GAS TURBINE ENGINE STORAGE AND TRANSPORT CONTAINER

Publication No.: US2022348400A1 03/11/2022

Applicant:

VIETTEL GROUP [VN]

Absstract of: US2022348400A1

A gas turbine storage container is composed of a horizontal cylindrical shell with openings at two opposite ends of the cylinder, outside is designed with frames to keep it fixed and has straps to install ropes when hoisting. The inside of the cylindrical shell is pumped with inert gas and contains desiccant. The engine is housed in a mount that can be fixed to the inside of the box, and has wheels to make it possible to move it out of the box. A sensor system that measures the temperature and humidity status inside the cylindrical shell can provide information about the quality of the gas stored in the cylindrical shell in real time without opening.

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Composition

Publication No.: EP4081584A1 02/11/2022

Applicant:

SI GROUP SWITZERLAND CHAA GMBH [CH]

Absstract of: GB2590910A

A stabilising composition comprises a first phenolic antioxidant with melting point of ≤100°C and molecular weight ≥400; second phenolic antioxidant that is solid under ambient conditions and has lower steric hindrance than the first phenolic antioxidant; and a secondary antioxidant comprising a phosphite and/or a thioester. The stabilising composition may comprise 30-95 wt.% first phenolic antioxidant, e.g. C13-15 alkyl esters of 3,5-bis(1,1-dimethylethyl)-4-hydroxy-benzenepropanoic acid or tetrakismethylene (3,5-di-t-butyl-4-hydroxyhydrocinnamate)methane; 0.1-50 wt.% second phenolic antioxidant, e.g. 4-t-butylcatechol, 2,5-di-t-amylhydroquinone, 2,2’-thiobis(6-t-butyl-4-methylphenol), or 4,4’-thiobis(2-t-butyl-5-methylphenol); and 0.01-20 wt.% secondary antioxidant, e.g. trilaurylphosphite, triisodecylphosphite, tris(dipropyleneglycol)phosphite, or di(tridecyl)thiodipropionate. In an alternative aspect, the first phenolic antioxidant has <10 ppm VOC contribution and/or <100 ppm FOG contribution and melting point of ≤100°C. A fire retardant blend comprising the stabilising composition and a fire retardant is disclosed. A stabilised composition comprises the stabilising composition or fire retardant blend with a polyol and/or polyurethane. The stabilised composition preferably contains 0.01-10 wt.% stabilising composition.

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OXYGEN ABSORBER

Publication No.: WO2022224854A1 27/10/2022

Applicant:

MITSUBISHI GAS CHEMICAL CO [JP]

Absstract of: WO2022224854A1

An oxygen absorber which comprises a liquid oligomer of an unsaturated hydrocarbon, a transition metal catalyst, a carrier on which the liquid oligomer of the unsaturated hydrocarbon and the transition metal catalyst are supported, granular activated carbon, and crystalline thermoplastic resin particles, in which, in an analysis curve obtained by performing a pyrolysis gas chromatography analysis on the crystalline thermoplastic resin particles and the granular activated carbon under a pyrolysis condition of 600°C, the ratio [Cref/Pref] of the peak area (Cref) of a decomposition product of a low-molecular-weight component in the crystalline thermoplastic resin particles adsorbed on the granular activated carbon per unit mass of the activated carbon to the peak area (Pref) of a decomposition product of the crystalline thermoplastic resin particles per unit mass of the crystalline thermoplastic resin particles is 0.20 or less.

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OXYGEN ABSORBER

Publication No.: WO2022224853A1 27/10/2022

Applicant:

MITSUBISHI GAS CHEMICAL CO [JP]

Absstract of: WO2022224853A1

An oxygen absorber comprising a liquid oligomer having an unsaturated group, an oxygen absorption promoting substance, a carrier on which the liquid oligomer having an unsaturated group and the oxygen absorption promoting substance are supported, gas-absorbable inorganic particles, and activated carbon, in which the amount of the liquid oligomer having an unsaturated group which is adsorbed onto the gas-absorbable inorganic particles is 6.5 parts by mass or less relative to 100 parts by mass of the gas-absorbable inorganic particles.

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MULTILAYERED FLEXIBLE PACKAGE WITH ANTIOXIDANT PROPERTIES

Publication No.: EP4077526A1 26/10/2022

Applicant:

GETTERS SPA [IT]

WO_2022023503_A1

Absstract of: WO2022023503A1

A multilayered flexible package comprises a polymeric coating (2) that contains a dispersion of antioxidant capsules (3) having a particle size distribution comprised between 0.1 and 10 µm and a core-shell structure comprising a core (4), of an antioxidant with a reduction potential comprised between 0.1 and 0.5 V, and a polymeric shell (5) covering the core (4) at least by 70%.

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DAUCUS-BASED COMPOSITIONS FOR OXYGEN MODIFIED PACKAGING

Nº publicación: BR112022017743A2 18/10/2022

Applicant:

CSP TECHNOLOGIES INC [US]

KR_20220150331_PA

Absstract of: WO2021217159A2

Disclosed are daucus-based oxygen scavenging compositions and materials, particularly of the carrot species, and their methods of use in containers and packaging of oxygen sensitive products. Further disclosed are daucus-based oxygen scavenging materials used in combination with tea-based oxygen scavenging compositions. Such compositions, materials and containers are of use for preserving the shelf-life of a myriad of products such as foods, pharmaceuticals, cosmetics, tobacco and cannabis.

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