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Materiais e envases plásticos biodegradables

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LastUpdate Última actualización 01/01/2026 [07:02:00]
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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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CONTAINER WITH LID

NºPublicación:  EP4669588A1 31/12/2025
Solicitante: 
GRAPHIC PACKAGING INT LLC [US]
Graphic Packaging International, LLC
MX_2025009858_A

Resumen de: MX2025009858A

A container for holding a product. The container can comprise a tray comprising a sidewall extending at least partially around an interior of the tray. The sidewall can have a support edge. A lid can comprise at least a top panel, and one or more passageways can be formed in at least the sidewall of the tray. The container comprises an open configuration in which the top panel is at least partially spaced from the interior of the tray and a closed configuration in which the top panel is positioned at least partially in the interior of the tray. At least a portion of the one or more passageways in at least the sidewall of the tray extends upwardly from the top panel toward the support edge of the sidewall for allowing air to move over the top panel of the lid when the container is in the closed configuration.

THERMOREVERSIBLE GELS USEFUL IN PLANT-BASED MEAT ALTERNATIVES

NºPublicación:  EP4669121A1 31/12/2025
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.

INTEGRATED BIODEGRADABLE FOAM AND MYCELIUM-FIXATED SUBSTRATE COMPOSITES AND METHOD FOR OBTAINING THE SAME

NºPublicación:  EP4671359A1 31/12/2025
Solicitante: 
MYCROBEZ AG [CH]
Mycrobez AG

RESIN COMPOSITION AND METHOD FOR PRODUCING RESIN COMPOSITION

NºPublicación:  EP4671323A1 31/12/2025
Solicitante: 
MITSUBISHI CHEM CORP [JP]
Mitsubishi Chemical Corporation
WO_2024177028_A1

Resumen de: EP4671323A1

The present invention provides a resin composition which contains a biodegradable polyester and a polyvinyl alcohol resin, and which exhibits excellent transparency. A resin composition according to the present invention contains (A) a polyester resin which contains at least one constituent unit derived from an aliphatic diol (provided that an ester group-containing acid-modified resin is excluded), (B) a polyvinyl alcohol resin, and (C) an ester group-containing acid modified resin.

酸素透過性を有する包装フィルム

NºPublicación:  JP2025542141A 25/12/2025
Solicitante: 
フレッシャーサステイナブルテクノロジーズインコーポレイテッド
JP_2025542141_PA

Resumen de: CN120476082A

The present disclosure relates to compostable films, and more particularly to compostable films having desirable oxygen permeation characteristics for packaging perishable items, such as seafood products. According to one aspect, the present disclosure is directed to compostable packaging films comprising a flexible packaging material defining a plurality of pores and having a barrier coating for adjusting oxygen permeability. According to one aspect, the present disclosure relates to a method of making a packaging film, the method comprising: (a) providing a polymeric film having a food-contacting inner surface and an environment-facing outer surface opposite the inner surface; (b) modifying the polymer film through micro-perforation so as to increase the oxygen permeability of the packaging film; and (c) applying a barrier coating to the outer surface to further adjust the oxygen permeability of the packaging film. In embodiments, the packaging film may be an antimicrobial film.

THREE-DIMENSIONAL MOLDED PART MADE OF FIBROUS MATERIAL AND MOLDING TOOL FOR PRODUCING MOLDED PARTS MADE OF FIBROUS MATERIAL

NºPublicación:  EP4667375A1 24/12/2025
Solicitante: 
KIEFEL GMBH [DE]
KIEFEL GmbH
EP_4667375_PA

Resumen de: EP4667375A1

Es werden ein dreidimensionales Formteil aus faserhaltigem Material sowie ein Formwerkzeug zur Herstellung von Formteilen aus faserhaltigem Material beschrieben, wobei das Formteil in einem Herstellungsprozess unter Druck und thermischer Einwirkung hergestellt ist und eine Oberfläche des Formteils mindestens eine Erhebung aufweist, die durch faserhaltiges Material gebildet ist, welches bei der Herstellung des Formteils beim Abführen von Dampf, der beim Verpressen aus dem faserhaltigen Material austritt, in eine korrespondierende Öffnung in einer Formfläche eines Formwerkzeugs gesaugt worden ist, und wobei die mindestens eine Erhebung in einem ersten Flächenabschnitt angeordnet ist, der gegenüber einem benachbarten mindestens einen zweiten Flächenabschnitt eine verschiedene Ausgestaltung aufweist, wobei die mindestens eine Erhebung in die Ausgestaltung des ersten Flächenabschnitts integriert ist.

MULTILAYER BIODEGRADABLE FILM FOR THERMAL LAMINATION

NºPublicación:  EP4667219A1 24/12/2025
Solicitante: 
NOVAMONT SPA [IT]
Novamont S.p.A
EP_4667219_A1

Resumen de: EP4667219A1

The present invention relates to a multilayer biodegradable film particularly suitable for use in thermal lamination comprising at least one polymer layer A and one polymer layer B characterised by optimal adhesion to cellulose-based substrates.

THREE-DIMENSIONAL MOLDED PART MADE OF FIBROUS MATERIAL AND MOLDING TOOL FOR PRODUCING MOLDED PARTS MADE OF FIBROUS MATERIAL

NºPublicación:  EP4667373A1 24/12/2025
Solicitante: 
KIEFEL GMBH [DE]
KIEFEL GmbH
EP_4667373_PA

Resumen de: EP4667373A1

Es werden ein dreidimensionales Formteil aus faserhaltigem Material sowie ein Formwerkzeug zur Herstellung von Formteilen aus faserhaltigem Material beschrieben, wobei das dreidimensionale Formteil in einem Herstellungsprozess unter Druck und thermischer Einwirkung hergestellt ist, wobei eine Oberfläche des Formteils mindestens ein gestalterisches Element und/oder Funktionselement aufweist, welches durch mindestens einen Bereich mit reduzierter Materialstärke gebildet ist, wobei die Materialstärke des mindestens einen Bereichs mit einer zunehmenden Formteilhöhe in einer Formrichtung abnimmt.

THREE-DIMENSIONAL MOLDED BODY AND METHOD FOR PRODUCING THREE-DIMENSIONAL MOLDED BODY OF FIBER-CONTAINING MATERIAL

NºPublicación:  EP4667376A1 24/12/2025
Solicitante: 
KIEFEL GMBH [DE]
KIEFEL GmbH
EP_4667376_PA

Resumen de: EP4667376A1

Es werden ein dreidimensionaler Formkörper (10) aus faserhaltigem Material und ein Verfahren zur Herstellung eines dreidimensionalen Formkörpers (10) aus faserhaltigem Material beschrieben, wobei der Formkörper (10) eine umlaufende Seitenwand (14), die einen Innenraum des Formkörpers (10) umgibt, und einen Randbereich (16) aufweist, wobei in einem Übergang (24) von der Seitenwand (14) zum Randbereich (16) eine Stapelschulter (30) ausgebildet ist und der Randbereich (16) einen Hinterschnitt (18) aufweist.

THREE-DIMENSIONAL MOLDED BODY AND METHOD FOR PRODUCING THREE-DIMENSIONAL MOLDED BODY OF FIBER-CONTAINING MATERIAL

NºPublicación:  EP4667377A1 24/12/2025
Solicitante: 
KIEFEL GMBH [DE]
KIEFEL GmbH
EP_4667377_PA

Resumen de: EP4667377A1

Es werden ein dreidimensionaler Formkörper (10) aus faserhaltigem Material und ein Verfahren zur Herstellung eines dreidimensionalen Formkörpers (10) aus faserhaltigem Material beschrieben, wobei der Formkörper (10) eine umlaufende Seitenwand (14) aufweist, die einen Innenraum des Formkörpers (10) umgibt, wobei die Seitenwand (14) ausgehend von einem Randbereich (16) zu einem Bodenbereich, wobei der Querschnitt der Seitenwand (14) im Bodenbereich kleiner wie der Querschnitt im Randbereich (16) ist, mindestens abschnittsweise einen degressiven Verlauf aufweist.

THREE-DIMENSIONAL MOLDED PART MADE OF FIBROUS MATERIAL AND MOLDING TOOL FOR PRODUCING MOLDED PARTS MADE OF FIBROUS MATERIAL

NºPublicación:  EP4667374A1 24/12/2025
Solicitante: 
KIEFEL GMBH [DE]
KIEFEL GmbH
EP_4667374_PA

Resumen de: EP4667374A1

Es werden ein dreidimensionales Formteil aus faserhaltigem Material sowie ein Formwerkzeug zur Herstellung von Formteilen aus faserhaltigem Material beschrieben, wobei das Formteil aus faserhaltigem Material in einem Herstellungsprozess unter Druck und thermischer Einwirkung hergestellt ist, wobei eine Oberfläche des Formteils Erhebungen aufweist, die durch faserhaltiges Material gebildet sind, welche bei der Herstellung des Formteils beim Abführen von Dampf, der beim Verpressen aus dem faserhaltigen Material austritt, in korrespondierende Öffnungen in einer Formfläche eines Formwerkzeugs gesaugt worden sind, und wobei die Erhebungen entlang einer Oberfläche des Formteils mindestens ein Muster ausbilden.

BIODEGRADABLE COMPOSITION AND BIODEGRADABLE FILM

NºPublicación:  EP4667528A1 24/12/2025
Solicitante: 
LG CHEMICAL LTD [KR]
LG Chem, Ltd
EP_4667528_A1

Resumen de: EP4667528A1

In this invention, a biodegradable composition and a biodegradable film are provided, which include polybutylene adipate terephthalate with maleic acid ester-bonded to the terminal hydroxyl group and have a predetermined peak area ratio.

BIODEGRADABLE COMPOSITION AND BIODEGRADABLE FILM

NºPublicación:  EP4667526A1 24/12/2025
Solicitante: 
LG CHEMICAL LTD [KR]
LG Chem, Ltd
EP_4667526_A1

Resumen de: EP4667526A1

The present invention provides a biodegradable composition and a biodegradable film comprising polybutylene adipate terephthalate and thermoplastic starch, having a predetermined non-recoverable area.

BIODEGRADABLE COMPOSITION AND BIODEGRADABLE FILM

NºPublicación:  EP4667527A1 24/12/2025
Solicitante: 
LG CHEMICAL LTD [KR]
LG Chem, Ltd
EP_4667527_A1

Resumen de: EP4667527A1

The present invention provides a biodegradable composition and a biodegradable film comprising polybutylene adipate terephthalate and polybutylene adipate terephthalate with maleic acid ester-bonded to terminal hydroxyl groups.

SHEET MATERIAL, PACKAGING CONTAINER, FLEXIBLE COMPOSITE AND METHOD FOR RECYCLING

NºPublicación:  EP4667216A1 24/12/2025
Solicitante: 
CAMM SOLUTIONS SPAIN R&D S L U [ES]
Camm Solutions (Spain) R&D, S.l.u
EP_4667216_A1

Resumen de: EP4667216A1

The present invention is directed to sheet material comprising at least a first layer, a second layer, and a third layer, wherein the first layer is arranged in between the second layer and the third layer, wherein the first layer consists of a first material, the first material comprising at least 50 wt% of a functional component based on the weight of the first material, the functional component consisting of one or more water-soluble polymers and/or one or more water-swellable polymers, such that the first layer is a water-soluble layer or a water-disintegrating layer; and wherein the first layer comprises a transmission haze ≥ 1.5 % determined according to ASTM D 1003, and/or the first material comprises a coloring agent.Furthermore, the invention is directed to a packaging container or flexible composite comprising the above sheet material.Additionally, the present invention is directed to a method for recycling the above sheet material, the above packaging container, or the above flexible composite, comprising the steps of:- shredding the sheet material, the packaging container, or the flexible composite to flakes, granulates and/or a powder,- exposing the flakes, granulates and/or or powder to an aqueous washing solution;- separating solid components from the aqueous washing solution.

Laminate

NºPublicación:  GB2641880A 24/12/2025
Solicitante: 
PANGAIA MAT SCIENCE LIMITED [GB]
Pangaia Materials Science Limited
GB_2641880_PA

Resumen de: GB2641880A

Preferably the membrane 22 is microporous, biologically derived, polyhydroxyalkonate (PHA), especially amorphous and microporous 3-hydroxybutyrate and 3-hydroxyhexanoate copolymer blended with polylactic acid (PLA). The preferred laminate includes water repellent layer and second fabric 24. Preferably the fabrics 24, 26 comprise cotton, lyocell, modal, viscose, PHA, polybutylene succinate, PLA, polyethylene and/or polyamide.

Form-retaining pad for preparing a beverage and stiffening body for use in a form-retaining pad

NºPublicación:  NL2037858B1 23/12/2025
Solicitante: 
DOUWE EGBERTS BV [NL]
KONINKLIJKE DOUWE EGBERTS B.V
NL_2037858_B1

Resumen de: NL2037858B1

Title: Form-retaining pad for preparing a beverage and stiffening body for use in a form-retaining pad ABSTRACT A stiffening body for use in a form-retaining pad for preparing a beverage is disclosed. The stiffening body comprises a top side having an open top area, a bottom side having an open bottom area, and a circumferential wall extending between the top side and the bottom side. The circumferential wall, top side and bottom side define a space configured to contain at least a part of a soluble substance in use in the pad. The space is accessible through the open top area for receiving a bottom side and at least a lower part of a circumferential wall of a further similarly shaped and sized stiffening body so as to enable stacking of a multitude of similarly shaped and sized stiffening bodies. The stiffening body is molded one-piece from a pulp material. Fig. lA

食品及び飲料調製のための強化成形繊維カプセル

NºPublicación:  JP2025541360A 18/12/2025
Solicitante: 
ソシエテ・デ・プロデュイ・ネスレ・エス・アー
JP_2025541360_PA

Resumen de: MX2025006810A

The present invention concerns packaging item (1) comprising a tridimensional body (2) made of rigid or semi-rigid moulded fiber pulp, said body forming a compartment for enclosing a product and adapted to be closed by closing means, characterized in that said body (2) further comprises a reinforcing mesh (7) embedded at least partially into the mass of fiber pulp, said mesh (7) comprising fibres selected within the list of: natural plant fibres, animal fibres, biopolymer synthetic fibres, or a combination thereof, said fibres being impregnated with a dried water-soluble biopolymer, a dried water-soluble compostable polymer, a dried starch-based solution, or a combination thereof, or said fibres being impregnated with a cured polypeptide.

BIODEGRADABLE HOT MELT ADHESIVE COMPOSITIONS

NºPublicación:  US2025382507A1 18/12/2025
Solicitante: 
H B FULLER COMPANY [US]
H.B. Fuller Company
US_2025382507_A1

Resumen de: US2025382507A1

A biodegradable hot melt adhesive composition including from 7.5% by weight to 95% by weight of an olefin polymer, from 0.15% by weight to 0.8% by weight of an antioxidant, from 0.005% by weight to 0.4% by weight of a saturated, or mono- or poly-unsaturated C 14-C 24 linear carboxylic acid, or an ester, anhydride or amide thereof, and from 0.02% by weight to 1.0% by weight of a transition metal compound, wherein the transition metal is selected from the group consisting of iron, manganese, copper, cobalt and cerium.

Three-dimensional molded part made of fiber-containing material and molding tool for the production of molded parts made of fiber-containing material

NºPublicación:  US2025381751A1 18/12/2025
Solicitante: 
KIEFEL GMBH [DE]
Kiefel GmbH
DE_102024117159_PA

Resumen de: US2025381751A1

A three-dimensional molded part made of fiber-containing material and a molding tool for producing molded parts made of fiber-containing material are described. The three-dimensional molded part is produced in a manufacturing process under pressure and thermal influence. A surface of the molded part has at least one design element and/or functional element that is formed by at least one region with reduced material thickness. The material thickness of the at least one region decreases with an increasing molded part height in a molding direction.

POLYROTAXANE COMPRISING CYCLIC MOLECULE WITH ALDEHYDE GROUP ADDUCT, METHOD FOR PRODUCING SAID POLYROTAXANE, STRETCHABLE BIOMATERIAL, AND METHOD FOR PRODUCING SAID BIOMATERIAL

NºPublicación:  US2025382461A1 18/12/2025
Solicitante: 
KOKEN CO LTD [JP]
KOKEN CO., LTD
US_2025382461_PA

Resumen de: US2025382461A1

To develop a biomaterial having stretchability (in particular, collagen having stretchability), the inventors of the present invention have found a method of producing an aldehyde group-added cyclic molecule-containing polyrotaxane by which an aldehyde group can be specifically added to a cyclic molecule of a polyrotaxane, and a method of producing a biomaterial having stretchability, the method including reductive amination and a crosslinking method by which the production of a free aldehyde can be suppressed. Further, the inventors have recognized that thread-like collagen has stretchability. Thus, the inventors have completed the present disclosure.

PLANT-BASED SHAPE MEMORY CRYOGEL FOR HEMORRHAGE CONTROL

NºPublicación:  WO2025259183A1 18/12/2025
Solicitante: 
NANYANG TECHNOLOGICAL UNIV [SG]
NANYANG TECHNOLOGICAL UNIVERSITY
WO_2025259183_A1

Resumen de: WO2025259183A1

Disclosed herein is a macroporous pollen cryogel. Also disclosed herein are a use of the macroporous pollen cryogel, the macroporous pollen cryogel for use in treating a deep non- compressible wound, a method of treating a deep non-compressible wound, the method comprising applying the macroporous pollen cryogel to a deep non-compressible wound, and a method of providing the macroporous pollen cryogel.

製膜装置、製膜方法、容器の製造方法、および、容器

NºPublicación:  JP2025184508A 18/12/2025
Solicitante: 
株式会社カネカ
JP_2025184508_PA

Resumen de: JP2025184508A

【課題】容器の熱変質を抑制しつつ、バリア膜の性能低下および性能ばらつきを抑制する製膜装置を提供する。【解決手段】製膜装置1は、プラズマ方式により、複数の容器5の内面に同時にバリア膜5Aを製膜する製膜装置であって、真空チャンバ10と、一対の電極の間の空間に容器5が配置される一対の電極20,30と、真空チャンバ10における一対の電極20,30の間の空間であって、容器5の外部の空間に、バリア膜5Aの原料ガスを供給する原料ガス供給機構40と、真空チャンバ10の排気を行う排気機構50とを備え、一対の電極のうちの一方20は、排気機構50に接続されている1つの幹管状部材21と、容器5の内部までそれぞれ延在しており、容器5の内部の排気をそれぞれ行う複数の枝管状部材22と、幹管状部材21と枝管状部材22とを接続する空間を有するマニホールド23とを有する。【選択図】図1

BIODEGRADABLE PAPER

NºPublicación:  WO2025258460A1 18/12/2025
Solicitante: 
OJI HOLDINGS CORP [JP]
NIPPON BEET SUGAR MFG CO LTD [JP]
\u738B\u5B50\u30DB\u30FC\u30EB\u30C7\u30A3\u30F3\u30B0\u30B9\u682A\u5F0F\u4F1A\u793E,
\u65E5\u672C\u751C\u83DC\u88FD\u7CD6\u682A\u5F0F\u4F1A\u793E
WO_2025258460_A1

Resumen de: WO2025258460A1

A biodegradable paper comprising fibers including pulp and biodegradable chemical fibers wherein the content of the pulp is 72-99 mass% with respect to the total mass of the biodegradable paper, and the air permeability measured in accordance with JIS P 8117:2009 is 8 seconds or more.

WOOD-BASED OBJECTS

Nº publicación: US2025382464A1 18/12/2025

Solicitante:

DAIKA LTD [IL]
DAIKA LTD

US_2025382464_PA

Resumen de: US2025382464A1

The technology disclosed herein concerns an all-natural composition for manufacturing of wood-like objects.

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