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Materials i envasos plàstics biodegradables

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LastUpdate Última actualización 08/11/2025 [07:18:00]
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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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COMPOSITE MATERIALS

NºPublicación:  US2025339577A1 06/11/2025
Solicitante: 
THE PENN STATE RES FOUNDATION [US]
The Penn State Research Foundation
US_2025339577_A1

Resumen de: US2025339577A1

A composite material is formed by combining an expandable polymer having a charge with another polymer having an opposite charge to produce. In particular, the composite material can be prepared by combining the polymers with a medium such as and water, and expanding the mixture using a treatment that expands the mixture to produce, for example, insoluble porous foam-like composite.

VALVE, AND PACKAGE

NºPublicación:  US2025340354A1 06/11/2025
Solicitante: 
B&T ENTW UND VERMARKTUNGSGESELLSCHAFT MBH [DE]
B&T ENTWICKLUNGS- UND VERMARKTUNGSGESELLSCHAFT MBH
US_2025340354_PA

Resumen de: US2025340354A1

A pressure-relief valve includes a main body equipped to be fastened to a flexible package material. The main body has at least one through hole forming a passage through the main body. A valve membrane lies, on a package side, against the main body in a region around the hole, and a sealing liquid between the main body and the valve membrane. The valve has a water-soluble polymer, whereby at least one component of the valve, for example the main body, is made of a polymer composition that includes a water-soluble polymer.

COMPOSTABLE ENVELOPE

NºPublicación:  US2025340331A1 06/11/2025
Solicitante: 
VERICOOL WORLD LLC [US]
Vericool World LLC
US_2025340331_PA

Resumen de: US2025340331A1

An envelope has front panel and a back panel, the front panel and the back panel joined along three edges and open along a fourth edge to provide an opening to an interior of the envelope. A foldable flap extends from the front panel to close the opening. The front panel, back panel and flap are formed of a compostable plastic film, and the envelope is configured to be entirely compostable as-is by a recipient.

ECOMATERIAL COMPOSITE AND A PROCESS FOR ITS PREPARATION

NºPublicación:  WO2025229394A1 06/11/2025
Solicitante: 
MUKHERJEE AVIROOP [IN]
MUKHERJEE SOUMYA [IN]
MUKHERJEE, Aviroop,
MUKHERJEE, Soumya
WO_2025229394_A1

Resumen de: WO2025229394A1

The present disclosure relates to an ecomaterial composite and a process for its preparation. The ecomaterial composite comprises an intermediate layer comprising a single layer network of plant fibers of family Malvaceae embedded in a base material complex suspension, wherein the intermediate layer defines a first operative surface and a second operative surface, wherein the base material complex suspension comprises organic starch, chitosan and bio-resin; a first layer comprising a network of plant fibers of the family Malvaceae configured on the first operative surface of the intermediate layer; and a second layer comprising a network of plant fibers of the family Malvaceae configured on the second operative surface of the intermediate layer. The ecomaterial composite of the present disclosure is biodegradable, safe, sustainable and environment-friendly. The process for the preparing the ecomaterial composite is simple and scalable.

ADHESIVE COMPOSITION COMPRISING GROUND PEA SEEDS AND AN AMINE-BASED AZETIDINIUM-FUNCTIONAL CROSS-LINKER

NºPublicación:  US2025340738A1 06/11/2025
Solicitante: 
EVERTREE [FR]
Evertree
US_2025340738_A1

Resumen de: US2025340738A1

The invention relates to an adhesive composition comprising:ground pea seeds comprising between 5 wt % and 40 wt % of crude proteins on the total weight of the ground pea seeds,an amine-based azetidinium-functional cross-linker, andwater.The invention also relates to an article and its preparation process, use of the adhesive composition according to the invention, and use of ground pea seeds.

ENVIROTRAY INSERT FOR PROTECTING AN OBJECT WITHIN AN OUTER CONTAINER

NºPublicación:  EP4642709A1 05/11/2025
Solicitante: 
GENERAL FIBRE PRODUCTS CORP [US]
General Fibre Products Corp
WO_2024191427_PA

Resumen de: WO2024191427A1

An insert including a folded body including: a main panel having a top surface and an aperture to accommodate a container; first and second structural tubes at first and second opposing ends of the folded body; the first structural tube 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 a bottom surface; and the second structural tube 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 bottom surface. One of the third and sixth sides having a cradle provided within the aperture, the cradle being a cut-out; and a platform disposed in the aperture and offset from the top surface, the platform being a part of the folded body.

PET CHEW ARTICLE

NºPublicación:  EP4642226A1 05/11/2025
Solicitante: 
IMS TRADING LLC [US]
IMS Trading, LLC
MX_2025004997_A

Resumen de: MX2025004997A

A pet chew article, comprising the pet chew article formed of a plurality of physically engaged extrudates comprising a first extrudate and a second extrudate; wherein the first extrudate is porous and formed of a first extrudate composition containing starch; wherein the second extrudate is formed of a second extrudate composition containing meat; and wherein the first extrudate contains pores having a pore diameter in a range of 0.5 to 3 mm.

BIODEGRADABLE ARTICLES COMPRISING DECOMPOSITION PRODUCTS FROM BIODEGRADABLE MATERIALS AND RELATED METHODS

NºPublicación:  EP4642842A1 05/11/2025
Solicitante: 
BIOHM LTD [GB]
Biohm Ltd
KR_20250130644_PA

Resumen de: MX2025007653A

The present disclosure describes articles that include decomposition products from biodegradable compounds, and related methods.

PROCESS FOR TREATING KERATIN FIBRES USING AT LEAST ONE OIL BEARING ACETOACETATE FUNCTIONS

NºPublicación:  EP4642759A1 05/11/2025
Solicitante: 
OREAL [FR]
L'OREAL
CN_120752215_A

Resumen de: WO2024141523A1

The present invention relates to a process for treating keratin fibres, in particular for caring for, styling and/or colouring keratin fibres, preferably the hair, comprising the application to the keratin fibres, in one or more successive steps, of at least i) one or more compounds of formula (I), and also the optical or geometrical isomers thereof and/or the solvates thereof, such as hydrates, or a composition containing same in which formula (I) Z, AK1, AK2, Y, R4, Ra, Rb, p, m, n, t, q and u are as defined in the description, and optionally ii) at least one crosslinking agent.

HYBRID STARCH/PVOH WATER-SOLUBLE FILMS

NºPublicación:  EP4642838A1 05/11/2025
Solicitante: 
MONOSOL LLC [US]
Monosol, LLC
KR_20250130293_PA

Resumen de: CN120322491A

Provided herein are water-soluble films comprising a water-soluble polymer, such as polyvinyl alcohol (PVOH), and a high content of water-soluble starch, as well as related water-soluble film-forming solutions, articles (e.g., pouches or packets) made therefrom, and methods of making and using the same.

MULTILAYER DISPERSIBLE AND BIODEGRADABLE COMPOSITE

NºPublicación:  MX2025010710A 03/11/2025
Solicitante: 
SMARTSOLVE IND LLC [US]
SMARTSOLVE INDUSTRIES LLC
WO_2024192376_PA

Resumen de: MX2025010710A

A dispersible and biodegradable composite having a dispersible substrate comprising a water-dispersible paper; and a first biodegradable polymeric film, adjacent a first side of the dispersible substrate, comprising at least one biodegradable component. The dispersible and biodegradable composite may have a second biodegradable polymeric film on the second side of the dispersible substrate. The dispersible and biodegradable composite may be used to form a package. A method of making the dispersible and biodegradable composite includes applying the biodegradable polymeric film to the dispersible substrate.

THERMOREVERSIBLE GELS USEFUL IN PLANT-BASED MEAT ALTERNATIVES

NºPublicación:  MX2025009812A 03/11/2025
Solicitante: 
INGREDION GERMANY GMBH [DE]
INGREDION UK LTD [GB]
INGREDION GERMANY GMBH,
INGREDION UK LIMITED
CN_120857865_A

Resumen de: MX2025009812A

The technology described in this specification pertains to a thermoreversible gel comprising a starch component and a fat. The thermoreversible gel is designed to complete melting at temperatures above around 50° C. The gel is useful to deliver fat and one or more of colorants or flavoring to a food composition like a plant base meat alternative.

BIODEGRADABLE STRAW COMPOSITION AND BIODEGRADABLE STRAW COMPRISING THE SAME

NºPublicación:  KR20250156026A 31/10/2025
Solicitante: 
주식회사그리네플

Resumen de: KR20250156026A

본 발명은 생분해성 빨대 조성물 및 이를 포함하는 생분해성 빨대를 개시한다. 본 발명은 다당류 기반 바이오 폴리머, 지방족 무수물 개질제, 라디칼 개시제, 옥수수 전분, 구아검, 가소제 및 물을 포함하고, 반응성 압출 공정을 통해 제조되며, 상기 지방족 무수물 개질제는 상기 반응성 압출 공정에 의해 상기 다당류 기반 바이오 폴리머의 표면에 그래프팅되어 친수성에서 소수성으로 개질되며, 상기 라디칼 개시제는 상기 반응성 압출 공정 중 분해되어 상기 조성물 내 성분 간 가교 결합을 유도하는 것을 특징으로 한다.

PELLET BASED TOOLING AND PROCESS FOR BIODEGRADEABLE COMPONENT

NºPublicación:  US2025332762A1 30/10/2025
Solicitante: 
WYCECH JOSEPH [US]
Wycech Joseph
US_2025332762_PA

Resumen de: US2025332762A1

An example method of forming a biodegradable component includes extruding a mixture of biodegradable material and water through a die. The method further includes dividing the extruded mixture to form a plurality of biodegradable pellets. The method further includes forming the plurality of biodegradable pellets into a component. The water acts as a binding agent to bind the plurality of biodegradable pellets to one another.

METHOD FOR TEXTILE AND POLYESTER DECONSTRUCTION AND UPCYCLING TO BIOPLASTIC IN A HALOPHILE

NºPublicación:  US2025333573A1 30/10/2025
Solicitante: 
BATTELLE MEMORIAL INST [US]
Battelle Memorial Institute
US_2025333573_PA

Resumen de: US2025333573A1

Methods for deconstructing polyester-cotton blended textile waste and biodegradable polyester packaging waste using microbial cells for the fermentative production of polyhydroxybutyrate (PHB), novel engineered Halomonas strains, and use of these strains in PHB production. An engineered microbial cell and compositions comprising PHB are also described.

CAPSULE, WATER DISTRIBUTION WALL FOR SUCH A CAPSULE, AND METHOD FOR MANUFACTURING SUCH A CAPSULE

NºPublicación:  US2025333236A1 30/10/2025
Solicitante: 
SOC DES PRODUITS NESTLE S A [CH]
Soci\u00E9t\u00E9 des Produits Nestl\u00E9 S.A
US_2025333236_PA

Resumen de: US2025333236A1

The present invention concerns a capsule (1) comprises a cup-shaped capsule body (2), a water distribution wall (10) delimiting a chamber (12) for a substance, and a bottom wall (14). The cup-shaped capsule body (2) comprises: a cellulose-based body layer (18) and a liner (20) comprising a liner barrier layer (22). The water distribution wall (10) and/or the bottom wall (14) comprises a wall barrier layer (32). The water distribution wall (10) and/or the bottom wall (14) is/are connected to the cup-shaped capsule body (2) such that the liner barrier layer (22) and the respective wall barrier layer (32) are united along a circumference of the body (2).

BIODEGRADABLE, FOOD-SAFE, UV-CURABLE, AND REUSABLE ADHESIVE SYSTEM FOR ENHANCED SHOELACE SECURITY AND MULTIFACETED APPLICATIONS

NºPublicación:  US2025333628A1 30/10/2025
Solicitante: 
REALE LOUIS [US]
Reale Louis
US_2025333628_PA

Resumen de: US2025333628A1

A 100% biodegradable, food-safe, UV-curable, and self-renewing adhesive composition is disclosed, formulated as a one-part system requiring no premixing. The composition comprises about 30-40% nanomaterial reinforcement agents, 20-25% biopolymer matrix components, 13-20% crosslinking and curing agents, 15-20% additives and enhancers, and approximately 0.98% natural antioxidants. Through controlled UV exposure, it achieves adjustable tensile strengths from ̃15 psi to 21,525.9 psi, exhibits antimicrobial properties, and remains wash-reactivatable retaining effectiveness after ̃300-350 wash cycles. It tolerates temperatures from ̃40° C. to 220° C., meets FDA/EFSA standards, and is hypoallergenic for prolonged skin contact. By enhancing knot security in shoelaces, offering reusable performance for food packaging, enabling layered tape solutions for automotive and aerospace, and providing biodegradable bonding for medical devices and other consumer goods, this advanced adhesive addresses multiple industries that require long-term, environmentally friendly adhesion without performance loss.

Package containing water-soluble capsules

NºPublicación:  AU2025252516A1 30/10/2025
Solicitante: 
UNILEVER GLOBAL IP LTD
UNILEVER GLOBAL IP LIMITED
AU_2025252516_A1

Resumen de: AU2025252516A1

A package comprising at least one layer of biodegradable material and containing a plurality of unit dose products, at least one unit dose product comprising a detergent composition comprising sequestrant within a sealed compartment formed by a water soluble film, said package comprising a child-resistant closure mechanism. A package comprising at least one layer of biodegradable material and containing a plurality of unit dose products, at least one unit dose product comprising a detergent composition comprising sequestrant within a sealed compartment formed by a water soluble film, said package comprising a child-resistant closure mechanism. ct c t p a c k a g e c o m p r i s i n g a t l e a s t o n e l a y e r o f b i o d e g r a d a b l e m a t e r i a l a n d c o n t a i n i n g a p l u r a l i t y o f u n i t d o s e p r o d u c t s , a t l e a s t o n e u n i t d o s e p r o d u c t c o m p r i s i n g a d e t e r g e n t c o m p o s i t i o n c o m p r i s i n g s e q u e s t r a n t w i t h i n a s e a l e d c o m p a r t m e n t f o r m e d b y a w a t e r s o l u b l e f i l m , s a i d p a c k a g e c o m p r i s i n g a c h i l d - r e s i s t a n t c l o s u r e m e c h a n i s m

MULTILAYER POLYMER SHEET AND DENTAL APPLIANCE

NºPublicación:  ES3040347T3 30/10/2025
Solicitante: 
SHANGHAI COHERZ TECH CO LTD
Shanghai Coherz Technology Co., Ltd
US_2024182711_PA

Resumen de: US2024182711A1

A multilayer polymer sheet and a dental appliance are provided. The multilayer polymer sheet includes an A-layer polymer and a B-layer polymer. The A-layer polymer is polyamide (PA), including the following groups: (1) 36 mol % to 40 mol % of 4,4-methylenebis(2-methylcyclohexylamine); (2) 36 mol % to 40 mol % of an aromatic dicarboxylic acid, which is 1,3-benzenedicarboxylic acid (IPA) and/or 1,4-benzenedicarboxylic acid (TPA); and (3) 20 mol % to 28 mol % of an alicyclic or aliphatic amino acid or lactam. The B-layer polymer is located between two layers of the A-layer polymer. The B-layer polymer is at least one selected from the group consisting of a thermoplastic polyurethane (TPU), an ethylene-vinyl acetate (EVA) copolymer, and a copolyester.

POUCH MADE OF CELLULOSE-BASED MATERIALS

NºPublicación:  WO2025226474A1 30/10/2025
Solicitante: 
S C JOHNSON & SON INC [US]
S. C. JOHNSON & SON, INC
WO_2025226474_PA

Resumen de: WO2025226474A1

A pouch including cellulose-based materials includes a body defining a left side, a right side, a bottom side, and a mouth at an upper end thereof that provides access into a cavity of the pouch, and a sealing structure that is configured to allow access into the cavity of the pouch in an open configuration and to prevent access into the cavity of the pouch in a closed configuration. The sealing structure includes at least 85% of at least one repulpable material comprising plant-based cellulose. The repulpable material is at least 10% delignified, and a remaining percentage of the sealing structure may consist of a polymer.

A machine and a method of producing biodegradable nonwoven textile comprising seeds

NºPublicación:  AU2025252505A1 30/10/2025
Solicitante: 
HAAKAN ISAK YILMAZ
H\u00E5kan Isak Yilmaz
AU_2025252505_A1

Resumen de: AU2025252505A1

A machine and a method for producing biodegradable nonwoven textile comprising seeds comprising a seed distributing machine unit, positioned in a cross-lapping portion of the nonwoven textile machine. The seed distributing machine unit comprises at least one re-5 ceptacle for seeds having a dispensing opening for regulated outlet of seeds onto a veil of biodegradable fibres. A needle punching portion is situated after the cross-lapping, seen in the direction of the biodegradable nonwoven textile production line of the machine, for needle-punching of the veil of biodegradable fibres. Fig. 2 A machine and a method for producing biodegradable nonwoven textile comprising seeds comprising a seed distributing machine unit, positioned in a cross-lapping portion of the 5 nonwoven textile machine. The seed distributing machine unit comprises at least one re- ceptacle for seeds having a dispensing opening for regulated outlet of seeds onto a veil of biodegradable fibres. A needle punching portion is situated after the cross-lapping, seen in the direction of the biodegradable nonwoven textile production line of the machine, for needle-punching of the veil of biodegradable fibres. Fig. 2 ct c t m a c h i n e a n d a m e t h o d f o r p r o d u c i n g b i o d e g r a d a b l e n o n w o v e n t e x t i l e c o m p r i s i n g s e e d s c o m p r i s i n g a s e e d d i s t r i b u t i n g m a c h i n e u n i t , p o s i t i o n e d i n a c r o s s - l a p p i n g p o r t i o n o f t h e

BIODEGRADABLE AND EMULSIFIABLE IONIZABLE POLYESTERS

NºPublicación:  WO2025227027A1 30/10/2025
Solicitante: 
BOARD OF TRUSTEES OF MICHIGAN STATE UNIV [US]
BOARD OF TRUSTEES OF MICHIGAN STATE UNIVERSITY
WO_2025227027_PA

Resumen de: WO2025227027A1

The disclosure relates to ionizable polyesters containing repeat units having polymeric or oligomeric polyester segments or residues and linkers between the polyester segments having ionizable groups such as carboxylic acid groups and their related salts, for example ammonium salts. The ionizable polyesters can further include repeat units with functional groups other than polyesters to impart additional barrier properties, pH-responsive properties, and/or reactive properties. The ionizable polyesters can be used as water- and oil-resistant barrier coatings on cellulosic substrates such as paper, providing good barrier properties while also providing coatings and coated articles that are biodegradable, compostable, recyclable, and/or repulpable. The ionizable polyesters can be provided in an aqueous emulsion containing a salt form of the ionizable polyesters, which is a particularly suitable form for applying a coating of the ionizable polyesters onto a substrate such as paper.

PLA-BASED COMPOSITE PLASTIC AND USE THEREOF

NºPublicación:  WO2025225769A1 30/10/2025
Solicitante: 
BIOQIT CO LTD [KR]
\uC8FC\uC2DD\uD68C\uC0AC \uBC14\uC774\uC624\uD0B7
WO_2025225769_PA

Resumen de: WO2025225769A1

The present invention relates to a polylactic acid (PLA)-based composite plastic and a use thereof. In order to reduce the inherent brittleness of a PLA material, the present invention can provide a PLA-based composite plastic in which a reinforcing material is mixed, the reinforcing material is dispersed and composited in a biodegradable polymer matrix containing PLA so as to prepare a composite filler, the composite filler is mixed with a pure PLA material and molded so that mechanical integrity satisfying both tensile strength and toughness is ensured while the amount of the reinforcing material is lowered to be less than the total weight of PLA, and transparency equivalent to that of the inherent physical property of PLA is implemented. Provided is the PLA-based transparent film, which can be applied to industrial packaging containers, food containers and food packaging applications that require the physical property.

RESEALABLE BAG WITH INELASTIC DEFORMABLE POLYMER

NºPublicación:  US2025333209A1 30/10/2025
Solicitante: 
VALERIO PASCAL DIEGO [US]
OLIVEIRA HUGO MIGUEL LISBOA [BR]
Valerio Pascal Diego,
Oliveira Hugo Miguel Lisboa
US_2025333209_PA

Resumen de: US2025333209A1

The resealable bag has a main body including a resealing layer. The resealable bag is selectively positionable between an open, unsealed position and a closed, sealed position. When the resealable bag is in the closed, sealed position, the resealing layer is in a deformed shape. Advantageously, the resealable bag can be repeatedly rolled and sealed, and unrolled and unsealed, as desired without the use of additional integrated or non-integrated sealing mechanisms.

ALIPHATIC-AROMATIC COPOLYESTER, PREPARATION METHOD THEREFOR, AND APPLICATION THEREOF

Nº publicación: WO2025222780A1 30/10/2025

Solicitante:

KINGFA SCI & TECH CO LTD [CN]
ZHUHAI KINGFA BIOMATERIAL CO LTD [CN]
LIAONING 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,
\u8FBD\u5B81\u91D1\u53D1\u751F\u7269\u6750\u6599\u6709\u9650\u516C\u53F8

WO_2025222780_A1

Resumen de: WO2025222780A1

The present application provides an aliphatic-aromatic copolyester, a preparation method therefor, and an application thereof. The aliphatic-aromatic copolyester comprises the following components: a component A, comprising the following acid components: a1) 63-69 mol% of terephthalic acid, or a derivative thereof, or a mixture thereof, based on the total moles of a1) and a2); a2) 31-37 mol% of adipic acid, or a derivative thereof, or a mixture thereof, based on the total moles of a1) and a2); and component B: 1,4-butanediol, in an amount at least equimolar to component A. The aliphatic-aromatic copolyester has a crystallization enthalpy of -20 to -46 J/g. The aliphatic-aromatic copolyester of the present application is used for preparing packaging film, which has a high heat-sealing strength even after prolonged storage, and the impact on the degradation performance of the packaging film is minor.

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