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Biodegradable plastic materials and packaging

Resultados 146 results.
LastUpdate Updated on 05/07/2025 [07:30:00]
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Solicitudes publicadas en los últimos 30 días / Applications published in the last 30 days (excluidas publicaciones Chinas / Chinese publications excluded)
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NATURAL DERIVED FILM FORMER FOR COSMETIC APPLICATIONS

Publication No.:  WO2025145005A1 03/07/2025
Applicant: 
MOMENTIVE PERFORMANCE MAT INC [US]
MOMENTIVE PERFORMANCE MATERIALS INC

Absstract of: WO2025145005A1

The present disclosure provides a natural compound derived from Dammar gum that when formulated into a composition for personal care, delivers color transfer resistance, even when exposed to oil, water, and/or food. The present disclosure also provides methods of making the compound derived from Dammar gum and compositions comprising the compound derived from Dammar gum. The compound derived from Dammar gum can be combined with components typically used in personal care to provide personal care formulations.

BIODEGRADABLE RESIN COMPOSITION

Publication No.:  WO2025142964A1 03/07/2025
Applicant: 
KURARAY CO LTD [JP]
\u682A\u5F0F\u4F1A\u793E\u30AF\u30E9\u30EC

Absstract of: WO2025142964A1

The purpose of the present invention is to provide a biodegradable resin composition which is excellent in terms of biodegradability, low-temperature moldability, and oxygen barrier properties under high humidity. A biodegradable resin composition according to the present invention contains a polyvinyl alcohol-based resin (A), a modified starch (B), and a polyol plasticizer (C). The melting point of the composition is 180°C or less, and the temperature at which the storage elastic modulus of the composition is less than 1,000 MPa is not less 35°C but less than 180°C.

BIODEGRADABLE ALIPHATIC POLYESTER, AND PREPARATION METHOD THEREFOR AND USE THEREOF

Publication No.:  WO2025139104A1 03/07/2025
Applicant: 
KINGFA SCI & TECH CO LTD [CN]
ZHUHAI KINGFA BIOMATERIAL CO LTD [CN]
\u91D1\u53D1\u79D1\u6280\u80A1\u4EFD\u6709\u9650\u516C\u53F8,
\u73E0\u6D77\u91D1\u53D1\u751F\u7269\u6750\u6599\u6709\u9650\u516C\u53F8
CN_117887048_A

Absstract of: WO2025139104A1

A biodegradable aliphatic polyester, and a preparation method therefor and a use thereof. The biodegradable aliphatic polyester contains units derived from at least one aliphatic dicarboxylic acid and at least one aliphatic diol, and satisfies the following conditions: 1.54≤Mw/Mn≤1.98, and Mw/q≥50,000, wherein q is the mass percentage of a low-molecular polymer with the molecular weight of less than or equal to 1,000 Dalton, which is measured by GPC, of the biodegradable aliphatic polyester. By regulating and controlling the molecular weight distribution of the biodegradable aliphatic polyester and the mass percentage of the low-molecular polymer with the molecular weight lower than 1,000 Dalton, the biodegradable aliphatic polyester has good barrier properties and excellent self-adhesiveness.

PREPARATION METHOD FOR LOW-DENSITY PLANT FIBER-BASED FOAM MATERIAL, PRODUCT, AND USE

Publication No.:  WO2025138394A1 03/07/2025
Applicant: 
SUZHOU HSM TECH [CN]
\u82CF\u5DDE\u548C\u5851\u7F8E\u79D1\u6280\u6709\u9650\u516C\u53F8
CN_117801557_PA

Absstract of: WO2025138394A1

Disclosed in the present invention are a preparation method for a low-density plant fiber-based foam material, a product, and a use. The preparation method comprises: step 1: fully mixing raw materials including an aqueous suspension of plant fiber bundles, a biomass adhesive, a compatilizer, a plasticizer, and a nucleating agent to obtain foam slurry; and step 2: heating and foaming the foam slurry to prepare a low-density plant fiber-based foam material. According to the preparation method disclosed in the present invention, by using the aqueous suspension of plant fiber bundles as a raw material, and by using a natural biomass adhesive, a low-density (density≤100 kg/m3) and naturally biodegradable plant fiber-based foam material can be prepared by means of physical foaming, and can be used as a packaging material; moreover, the plant fiber-based foam material also has excellent apparent performance, and particularly can be applied to the field of high-quality packaging materials having higher apparent performance requirements.

HOME COMPOSTABLE COLOUR MASTERBATCH

Publication No.:  WO2025137760A1 03/07/2025
Applicant: 
CTK RES & DEVELOPMENT CANADA LTD [CA]
CTK RESEARCH & DEVELOPMENT CANADA LTD

Absstract of: WO2025137760A1

A home compostable colour masterbatch and a process for making the same are provided. The colour masterbatch includes a colorant and an amphiphilic biodegradable polymer matrix selected from the group consisting of PBAT-PEG, PHA-PEG, PCL-PEG, TPS-PHA, PBSA- PEG, TPS-PBAT, and TPS-PBS. The colour masterbatch does not contain polylactic acid. The colorant and the amphiphilic biodegradable polymer matrix to form a mixture. The mixture is heated and torqued at a processing temperature sufficient to melt the amphiphilic biodegradable polymer matrix to make the colour masterbatch.

BIO-BASED WATER-SOLUBLE FILMS

Publication No.:  WO2025144841A1 03/07/2025
Applicant: 
MONOSOL LLC [US]
MONOSOL, LLC

Absstract of: WO2025144841A1

Disclosed herein is a water-soluble film including pullulan, carrageenan, a plasticizer, and a cross-linker, wherein pullulan comprises from about 50 wt.% to about 75 wt.% of the film and the cross-linker, when present, comprises from about 0.001 wt.% to about 5.0 wt.% of the film, based on the total weight of the film.

PLANT PROTEIN-POLYSACCHARIDE FILMS

Publication No.:  US2025214729A1 03/07/2025
Applicant: 
XAMPLA LTD [GB]
XAMPLA LIMITED
US_2025214729_A1

Absstract of: US2025214729A1

The present invention relates to a film comprising greater than or equal to 50 wt % of a combination of a plant protein and polysaccharide based upon the total weight of the film at 55% relative humidity and 22° C. C, wherein the weight ratio of polysaccharide to plant protein is in the range 0.1:1 to 2:1, and wherein the plant protein has been pre-treated with an organic acid.

ENVIROTRAY INSERT FOR PROTECTING AN OBJECT WITHIN AN OUTER CONTAINER

Publication No.:  US2025214743A1 03/07/2025
Applicant: 
GENERAL FIBRE PRODUCTS CORP [US]
GENERAL FIBRE PRODUCTS CORP
US_2025214743_A1

Absstract of: US2025214743A1

A packaging tray including a paper board folded body having a top surface with an aperture to accommodate and retain a container. The folded body having first and second structural tube ends at respective first and second opposing ends. The folded body having a 5 bridge supported between the first and second structural tube ends. The first structural tube end includes a first side folded away from the top surface, a second side folded from the first side and a third side folded from the second side towards the top surface. The second structural tube end comprises a fourth side folded away from the top surface, a fifth side folded from the fourth side and a sixth side folded from the fifth side towards the top surface. At least one of the third and 10 sixth sides having a cradle provided within the aperture to support the container.

ECO-FRIENDLY PACKAGING MATERIAL AND MANUFACTURING METHOD THEREFOR

Publication No.:  US2025214330A1 03/07/2025
Applicant: 
CJ CHEILJEDANG CORP [KR]
CJ CHEILJEDANG CORPORATION
US_2025214330_A1

Absstract of: US2025214330A1

The present invention relates to an eco-friendly packaging material and a manufacturing method therefor. Specifically, the packaging material according to an embodiment of the present invention includes a surface coating layer, a first fiber layer, a second fiber layer, and a sealing coating layer, and thus has high recyclability and decomposes well in the soil and ocean, and may have excellent oxygen and/or moisture barrier properties, printability, antifouling/water resistance properties, sealing properties, etc.

Housings For Electronic Devices And Memory Devices

Publication No.:  US2025218467A1 03/07/2025
Applicant: 
SANDISK TECH INC [US]
Sandisk Technologies, Inc
KR_20230032856_PA

Absstract of: US2025218467A1

Embodiments of the present disclosure generally relate to housings for, e.g., memory devices and electronic devices, and to processes for forming such housings. In an embodiment, an article for housing at least a portion of an electronic device is provided. The article includes a first component comprising a thermoplastic and a biodegradable filler or polymer, and a second component disposed on at least a portion of the first component, the second component comprising a plurality of layers. The article has a scratch visibility load of about 200 gms or more, an electrostatic discharge static voltage of about 100 V or less, a thermal conductivity of about 0.28 W/mK or more, or combinations thereof.

COMPOSTABLE MATERIAL FOR A CONTAINER, A CONTAINER MADE THEREOF AND A METHOD FOR MANUFACTURING COMPOSTABLE MATERIAL FOR A CONTAINER

Publication No.:  WO2025141243A1 03/07/2025
Applicant: 
WALKI GROUP OY [FI]
WALKI GROUP OY
FI_20236447_PA

Absstract of: WO2025141243A1

The invention relates to compostable packaging material comprising a fibrous sheet and a coextruded coating of two or more layers of compostable polymer as well as a method for manufacturing and using such material.

BIODEGRADABLE POLYMER COMPOSITES, METHODS OF MANUFACTURE AND USE THEREFOR

Publication No.:  WO2025137759A1 03/07/2025
Applicant: 
CTK RES & DEVELOPMENT CANADA LTD [CA]
CTK RESEARCH & DEVELOPMENT CANADA LTD

Absstract of: WO2025137759A1

A biodegradable polymer composite, a method of making the same and use for same are provided. The biodegradable polymer composite has about 30 to 99.5% by weight of a polymer selected from a group consisting of polybutylene adipate terephthalate (PBAT), polybutylene succinate (PBS), polyhydroxyalkanoates (PHA), and polycaprolactone (PCL) grafted with a compatibilizer selected from a group consisting of maleic anhydride, glycidyl methacrylate, pyromellitic anhydride, acrylic acid, polyacrylic acid, methylene diphenyl diisocyanate, poly(glycidyl methacrylate, copolymer(s) of glycidyl methacrylate; and about 0.5 to 50 % by weight a nano-filler or a micro-filler. The biodegradable polymer composite does not contain polylactic acid. Surfaces of the nano-filler or the micro-filler may be modified using a grafting agent so that the biodegradable polymer composite has enhanced mechanical properties, increased heat resistance, compostablity and/or improved processability. The biodegradable polymer composite may be used to make flexible articles, such as a freezer wrap and a farming sheet.

Biopolymer particle applications

Publication No.:  GB2636683A 02/07/2025
Applicant: 
NATURBEADS LTD [GB]
Naturbeads Ltd
GB_2636683_PA

Absstract of: GB2636683A

The present disclosure provides methods for preparing biopolymer particles. Preferably the biopolymer is a polysaccharide, most preferably cellulose. One aspect provides a method comprising extruding a dispersed phase into an anti-solvent to form particles of the biopolymer, wherein the dispersed phase comprises the biopolymer in a solvent. Another aspect provides a method comprising: a membrane emulsification of a dispersed phase into a continuous phase wherein the dispersed phase comprises the biopolymer in a solvent, and wherein passing the dispersed phase through the membrane forms an emulsion of the biopolymer in the continuous phase; and a phase inversion with an anti-solvent to form particles of the biopolymer. In preferred embodiments, both the solvent and anti-solvent comprise water.

A NEW BIOPLASTIC AND A PRODUCTION METHOD THEREOF

Publication No.:  EP4577600A1 02/07/2025
Applicant: 
UNIV OZYEGIN [TR]
Ozyegin Universitesi

AN INSERT FOR PROVIDING FIXED POSITIONS OF FRUITS AND VEGETABLES

Publication No.:  EP4577472A1 02/07/2025
Applicant: 
MEDITERRI D O O [SI]
MEDITERRI D. O. O
WO_2024042001_PA

Absstract of: WO2024042001A1

In at least some example embodiments of an insert for providing at least one fixed location for at least one piece of any one fresh produce and/or perishable food, the insert includes at least one external layer of thin bendable material configured to surround granules made of firm plant-based material, and at least one dent in the insert is configured to provide a fixed position of the at least one piece of any one fresh produce and/or perishable food, which is located in the dent. In at least some example embodiments of the insert, the insert is 100% made out of plant-based materials, using methods that require no use of chemicals in the process.

A sealing system for a container, a packaging container and process

Publication No.:  GB2636935A 02/07/2025
Applicant: 
TRI LOCKER LTD [GB]
Tri-Locker Limited
GB_2636935_PA

Absstract of: GB2636935A

A packaging container for a product having a body or compartment sealed by use of a bonding part and a cold-seal adhesive to bond a covering without application of heat. The bonding part and covering are bonded together through apertures in a flange of the body. The packaging container is useful in providing packaging for food products, medical products, surgical instruments and may be used to provide a sterile packaging container.

SPREADABLE GRANULES, USE OF SAME AND GRASS LAWN OR ARTIFICIAL GRASS LAWN WITH SUCH SPREADABLE GRANULES AS INFILL GRANULES

Publication No.:  PL4314411T3 30/06/2025
Applicant: 
TECNARO GESELLSCHAFT ZUR IND ANWENDUNG NACHWACHSENDER ROHSTOFFE MBH [DE]
Tecnaro Gesellschaft zur industriellen Anwendung nachwachsender Rohstoffe mbH
PL_4314411_T3

Absstract of: US2024092978A1

Spreadable granules as infill granules for grass and artificial turf fields are proposed, which granules have a polymer matrix with a percentage between 10% by mass and 100% by mass of at least one biodegradable polymer and at least one filler from the group of natural fillers, embedded in the polymer matrix with the at least one biodegradable polymer. The invention provides for the spreadable granules to have at least one filler from the group including comminuted fruit kernels. In addition, the invention relates to the use of such spreadable granules as infill granules for grass and artificial turf fields, as a spacer material for the storage of construction materials, such as, e.g., floor covering materials, and as grit for road maintenance in winter.

Compostable material for a container, a container made thereof and a method for manufacturing compostable material for a container

Publication No.:  FI20236447A1 30/06/2025
Applicant: 
WALKI GROUP OY [FI]
WALKI GROUP OY
FI_20236447_PA

Absstract of: FI20236447A1

The invention relates to compostable packaging material comprising a fibrous sheet and a coextruded coating of two or more layers of compostable polymer as well as a method for manufacturing and using such material.

DOG SACHET

Publication No.:  PL4307914T3 30/06/2025
Applicant: 
LOUIDS AG [CH]
Louids AG
PL_4307914_T3

Absstract of: ES3025736T3

La invención se refiere a un sobre (1) para el suministro móvil de líquido, en particular para perros. El sobre consta de una carcasa (2) y un núcleo (3) rodeado por la carcasa. La carcasa (2) está hecha de una membrana comestible y el núcleo (3) de una sustancia líquida gelificada. (Traducción automática con Google Translate, sin valor legal)

MULTILAYER BIODEGRADABLE FILM

Publication No.:  FI3778236T3 30/06/2025
Applicant: 
NOVAMONT S P A
Novamont S.p.A
FI_3778236_T3

Absstract of: US2025033333A1

This invention relates to a multilayer biodegradable film which is particularly suitable for the manufacture of packaging and is also characterised by appreciable optical transparency properties in addition to high level mechanical properties.

HIGH-DISINTEGRATION MULTILAYER BIODEGRADABLE FILM

Publication No.:  HUE070526T2 28/06/2025
Applicant: 
NOVAMONT S P A [IT]
Novamont S.p.A
MA_62816_B1

Absstract of: EP4480701A2

Multilayer biodegradable film particularly suitable for use in the manufacture of packaging, comprising at least one layer (A) comprising at least one aliphatic-aromatic biodegradable polyester blended with an aliphatic polyester having at least 70% in moles of succinic acid, and at least one layer (B) comprising a polymer composition comprising an aliphatic-aromatic polymer. The film has high mechanical properties, in particular a high elastic modulus, and appreciable optical transparency properties.

METHOD FOR PRODUCING POLYHYDROXYALKANOIC ACID AGGREGATE

Publication No.:  WO2025134498A1 26/06/2025
Applicant: 
MITSUBISHI GAS CHEMICAL COMPANY INC [JP]
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Absstract of: WO2025134498A1

To provide a method for efficiently producing a high-purity aggregate of PHA from a culture solution containing polyhydroxyalkanoic acid (PHA) accumulated in bacterial cells. An aggregate of PHA is obtained by a very simple method in which hydrogen peroxide and a surfactant are added to a culture solution containing bacterial cells containing PHA and stirred under prescribed conditions.

WATER-SOLUBLE FILM AND PACKAGE

Publication No.:  WO2025134969A1 26/06/2025
Applicant: 
KURARAY CO LTD [JP]
\u682A\u5F0F\u4F1A\u793E\u30AF\u30E9\u30EC

Absstract of: WO2025134969A1

A water-soluble film which contains a polyvinyl alcohol, an anionic surfactant, and a nonionic surfactant, wherein in a first surface that is one of two surfaces which are orthogonal to the thickness direction of the water-soluble film, the component ratio of the anionic surfactant is 3% or more, and the component ratio of the nonionic surfactant is 30% or more as determined by X-ray photoelectron spectroscopy.

WATER-SOLUBLE FILM AND PACKAGE

Publication No.:  WO2025134967A1 26/06/2025
Applicant: 
KURARAY CO LTD [JP]
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Absstract of: WO2025134967A1

The water-soluble film contains polyvinyl alcohol, an anionic surfactant, and a nonionic surfactant. The anionic surfactant satisfies the following condition 1. The nonionic surfactant has an HLB of 8-11. The content of the anionic surfactant is 0.5-1.5 mass parts per 100 mass parts of the polyvinyl alcohol. The content of the nonionic surfactant is 0.3-1.2 mass parts per 100 mass parts of the polyvinyl alcohol. Condition 1: The cloud point of an aqueous solution containing 0.15 mass% of the anionic surfactant and 0.15 mass% of a polyoxyethylene alkyl ether having three oxyethylene groups and an HLB of 8.1 is 60-130°C.

STARCH-BASED BIODEGRADABLE COMPOSITION AND PREPARATION METHOD THEREFOR

Nº publicación: WO2025135329A1 26/06/2025

Applicant:

DAESANG CORP [KR]
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Absstract of: WO2025135329A1

The present invention relates to a starch-based biodegradable composition having excellent mechanical properties and durability and to a biodegradable film prepared using same, the starch-based biodegradable composition comprising a thermoplastic starch, a biodegradable resin, a first compatibilizer, a second compatibilizer, and a lubricant, wherein the first compatibilizer is an epoxy compound, and the second compatibilizer is a tricarboxylic acid.

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