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Materials i envasos plàstics biodegradables

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LastUpdate Última actualización 30/12/2025 [06:59:00]
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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.

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.

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.

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.

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.

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:  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 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 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.

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.

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.

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.

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

THREE-DIMENSIONAL MOLDED BODY AND METHOD OF MANUFACTURING A THREE-DIMENSIONAL MOLDED BODY OF FIBER-CONTAINING MATERIAL

NºPublicación:  US2025382750A1 18/12/2025
Solicitante: 
KIEFEL GMBH [DE]
Kiefel GmbH
DE_102024117149_PA

Resumen de: US2025382750A1

A three-dimensional molded body of fiber-containing material and a method for producing a three-dimensional molded body of fiber-containing material are described. The molded body has a circumferential side wall, which surrounds an interior of the molded body, and an edge region. A stacking shoulder is formed in a transition from the side wall to the edge region, and the edge region has an undercut.

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

NºPublicación:  US2025382751A1 18/12/2025
Solicitante: 
KIEFEL GMBH [DE]
Kiefel GmbH
DE_102024117152_PA

Resumen de: US2025382751A1

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 molded part is produced from fiber-containing material in a production process under pressure and thermal action. A surface of the molded part has elevations formed by fiber-containing material that has been sucked into corresponding openings in a molding surface of a molding tool during the production of the molded part when steam emerging from the fiber-containing material during pressing is removed. The elevations form at least one pattern along a surface of the molded part.

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.

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.

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.

SILICONE FOAM-FORMING COMPOSITIONS AND SILICONE FOAMS MADE THEREFROM

NºPublicación:  US2025382460A1 18/12/2025
Solicitante: 
W R MEADOWS INC [US]
W.R. Meadows, Inc
US_2025382460_A1

Resumen de: US2025382460A1

Silicone foam-forming compositions are disclosed that enable the production of silicone foams having densities <3 lbs/ft3 and as low as 2.0 lbs/ft3 or lower. The compositions comprise methyl hydrogen siloxane, one or more silanols that react with the methyl hydrogen siloxane in the presence of a platinum group catalyst, a long chain alcohol having between 5 and 12 carbon atoms, and starch. The silicone foams resulting from the foam-forming compositions are mechanically stable (non-friable) and do not collapse.

WOOD-BASED OBJECTS

NºPublicación:  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.

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.

A PROCESS FOR MAKING WATER-SOLUBLE POUCHES

NºPublicación:  WO2025255702A1 18/12/2025
Solicitante: 
THE PROCTER & GAMBLE COMPANY [US]
HE QIUYANG [CN]
WENG YANJIE [CN]
LIU ZHEN [CN]
THE PROCTER & GAMBLE COMPANY,
HE, Qiuyang,
WENG, Yanjie,
LIU, Zhen
WO_2025255702_A1

Resumen de: WO2025255702A1

A process for making water-soluble pouches having at least one compartment on a sealing plane is disclosed. The process is characterized by the difference in the first water-soluble film heating temperature and the second water-soluble film heating temperature being reduced substantially. The resulting water-soluble pouch comprises of almost symmetrically shaped individual compartments relative to the sealing plane respectively and optionally with different depth of each compartment enabling stereoscopic and contemporary appearance to the consumer.

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.

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.

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

Nº publicación: US2025382749A1 18/12/2025

Solicitante:

KIEFEL GMBH [DE]
Kiefel GmbH

DE_102024117158_PA

Resumen de: US2025382749A1

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 molded part is produced in a production process under pressure and thermal influence. A surface of the molded part has at least one elevation formed by fiber-containing material that, during the production of the molded part, has been suctioned into a corresponding opening in a molding surface of a molding tool when steam, which escapes from the fiber-containing material during pressing, is removed. The at least one elevation is arranged in a first surface portion that has a different configuration than an adjacent at least one second surface portion. The at least one elevation is integrated into the configuration of the first surface portion.

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