Sizing or water-repelling agents

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CPC
D21H21/16

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Parent Industries

DTEXTILES PAPER D21Papermaking D21HPULP COMPOSITIONS PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D IMPREGNATING OR COATING OF PAPER TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G PAPER NOT OTHERWISE PROVIDED FOR D21H21/00Non-fibrous material added to the pulp, characterised by its function, form or properties Paper-impregnating or coating material, characterised by its function, form or properties

Current Industry

D21H21/16Sizing or water-repelling agents

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Method for making moisture-resistant paper
- Patent number 12,325,958
- Issue date Jun 10, 2025
- METGEN OY
- Liji Sobhana Seleenmary Sobhanadhas
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for producing a cellulose product and a cellulose product
- Patent number 12,312,745
- Issue date May 27, 2025
- PulPac AB
- Edward Guidotti
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Grant
Method of surface chemical functionalization for developing of func...
- Patent number 12,305,333
- Issue date May 20, 2025
- City University of Hong Kong
- Chi-Chiu Ko
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Aqueous compositions with improved barrier properties
- Patent number 12,286,757
- Issue date Apr 29, 2025
- BASF SE
- Paul Zeits
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Barrier coating for paper and paperboard
- Patent number 12,281,444
- Issue date Apr 22, 2025
- Stora Enso Oyj
- Mikael Gällstedt
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Preparation method and recyclingmethod for degradable and recyclabl...
- Patent number 12,281,443
- Issue date Apr 22, 2025
- Institute of Chemical Industry of Forest Products, Chinese Academy of Forestry
- He Liu
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Coating agent for paper and coated paper using same
- Patent number 12,247,355
- Issue date Mar 11, 2025
- Kuraray Co., Ltd.
- Yuta Taoka
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Treated article, methods of making the treated article, and dispers...
- Patent number 12,209,364
- Issue date Jan 28, 2025
- AGC Chemicals Americas, Inc.
- Tess Duffin Crosetto
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Formulation for size press applications
- Patent number 12,203,220
- Issue date Jan 21, 2025
- Ecolab USA Inc.
- David J. Castro
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Recyclable composite material, in particular for food packaging
- Patent number 12,203,218
- Issue date Jan 21, 2025
- A.G. & FIGLI S.R.L.
- Stefano Giusti
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Grease-resistant film, grease-resistant base material, and grease-r...
- Patent number 12,187,884
- Issue date Jan 7, 2025
- Kuraray Co., Ltd.
- Kenta Toshinari
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Coated paperboard for beverage container carriers and corresponding...
- Patent number 12,179,980
- Issue date Dec 31, 2024
- Stora Enso Oyj
- Carl-Henrik Ljungqvist
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Paper coated with a functional polyolefin film
- Patent number 12,173,452
- Issue date Dec 24, 2024
- Dow Global Technologies LLC
- Alan M. Piwowar
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Fiber-based food containers
- Patent number 12,168,853
- Issue date Dec 17, 2024
- Footprint International, LLC
- Yoke Dou Chung
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Fluorocarbon-free and bio-based oil and water barrier materials com...
- Patent number 12,163,291
- Issue date Dec 10, 2024
- OrganoClick AB
- Juhanes Aydin
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Functionalization and reinforcement in the dry state and in the wet...
- Patent number 12,162,963
- Issue date Dec 10, 2024
- Centre National de la Recherche Scientifique
- Lauric Gaffiot
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Methods and apparatus for manufacturing fiber-based produce containers
- Patent number 12,163,290
- Issue date Dec 10, 2024
- Footprint International, LLC
- Yoke Dou Chung
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Paperboard structure with at least one barrier coating layer
- Patent number 12,152,346
- Issue date Nov 26, 2024
- WestRock MWV, LLC
- Jiebin Pang
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of modifying polymer barrier films
- Patent number 12,116,730
- Issue date Oct 15, 2024
- Chemstone, Inc.
- Jonathan Spender
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Preparation method of heat-not-burn cigarette paper with boron nitr...
- Patent number 12,104,325
- Issue date Oct 1, 2024
- Zhejiang University
- Qinghua Zhang
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Grant
Biodegradable and compostable dog waste materials and method for us...
- Patent number 12,084,269
- Issue date Sep 10, 2024
- INIZIO ENTERTAINMENT, LLC—POOCH PAPER
- Patricia Anne Rosensteel
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Wrapping paper for non-combustible heated type smoking article, non...
- Patent number 12,075,820
- Issue date Sep 3, 2024
- Japan Tobacco Inc.
- Toru Sakurai
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Grant
Barrier layer for cellulose substrate
- Patent number 12,071,726
- Issue date Aug 27, 2024
- Papacks Sales GmbH
- Tahsin Dag
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Methods and apparatus for manufacturing fiber-based produce containers
- Patent number 12,071,727
- Issue date Aug 27, 2024
- Footprint International, LLC
- Yoke Dou Chung
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Epidermal paper-based electronic devices
- Patent number 12,070,315
- Issue date Aug 27, 2024
- Purdue Research Foundation
- Ramses Valentin Martinez
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for manufacturing paper barrier base material
- Patent number 12,071,728
- Issue date Aug 27, 2024
- Nippon Paper Industries Co., Ltd.
- Yuri Oishi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Fibrous sheet with improved properties
- Patent number 12,043,963
- Issue date Jul 23, 2024
- Deborah J. Calewarts
- D10 - INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEX...
Information Patent Grant
Liquid dispersions for acyl halides
- Patent number 12,018,435
- Issue date Jun 25, 2024
- Chemstone, Inc.
- Jonathan Spender
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Treated article, methods of making the treated article, and dispers...
- Patent number 12,000,090
- Issue date Jun 4, 2024
- AGC Chemicals Americas, Inc.
- Tess Duffin Crosetto
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Polyol fatty acid ester carrier compositions
- Patent number 11,987,935
- Issue date May 21, 2024
- Chemstone, Inc.
- Jonathan Spender
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
SIZING ADDITIVE PERFORMANCE USING A NOVEL STRENGTH COMPLEX
- Publication number 20250188681
- Publication date Jun 12, 2025
- ECOLAB USA INC.
- David Steven JORDAN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
STABILIZED SLURRY COMPOSITIONS HAVING ENHANCED BARRIER PROPERTIES
- Publication number 20250146226
- Publication date May 8, 2025
- Solenis Technologies, L.P.
- Cecil Coutinho
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PROCESS FOR PRODUCING AN AQUEOUS POLYMER DISPERSION FROM A VINYL AR...
- Publication number 20250146225
- Publication date May 8, 2025
- BASF SE
- Carmen-Elena CIMPEANU
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
A METHOD AND A SYSTEM FOR MANUFACTURING A PAPERBOARD
- Publication number 20250146229
- Publication date May 8, 2025
- Max MOHAMMADI
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PACKAGING FOR ACCOMMODATING AEROSOL DELIVERING ARTICLE
- Publication number 20250136353
- Publication date May 1, 2025
- KT&G Corporation
- Ki-jin AHN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
A MULTI-LAYER FLEXIBLE PACKAGING MATERIAL
- Publication number 20250083425
- Publication date Mar 13, 2025
- SOCIETE DES PRODUITS NESTLE S.A.
- KIRIL DIMITROV
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
THERMALLY ACTIVATED BIOBASED POLYMERIC COATING COMPOSITIONS ON PAPE...
- Publication number 20250075430
- Publication date Mar 6, 2025
- Solenis Technologies, L.P.
- Ramakrishna Trovagunta
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
PAPER MATERIAL WITH VIRUCIDAL, BIOCIDAL AND BARRIER PROPERTIES TO W...
- Publication number 20250075431
- Publication date Mar 6, 2025
- FEDRIGONI S.P.A.
- Luca MONACELLI
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
MOISTURE MANAGEMENT OF PAPERBOARD STRUCTURES
- Publication number 20250075435
- Publication date Mar 6, 2025
- Sonoco Development, Inc.
- Ismael A. Hernández Rosario
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
COATED PAPER SUITABLE FOR USE IN A SACK
- Publication number 20250067000
- Publication date Feb 27, 2025
- Billerud Aktiebolag (publ)
- Ove Lindstrom
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PAPER MATERIAL WITH TOTAL CLOSURE PARTICULARLY FOR USE IN THE FOOD...
- Publication number 20250067001
- Publication date Feb 27, 2025
- FEDRIGONI S.P.A.
- Luca MONACELLI
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
FLOUROCARBON FREE AND BIOBASED OIL AND WATER BARRIER MATERIALS
- Publication number 20250059711
- Publication date Feb 20, 2025
- ORGANOCLICK AB
- Juhanes AYDIN
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Application
FUNCTIONALIZATION AND REINFORCEMENT IN THE DRY STATE AND IN THE WET...
- Publication number 20250051486
- Publication date Feb 13, 2025
- Centre National de la Recherche Scientifique
- Lauric GAFFIOT
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PRODUCTION METHOD FOR AMIDE GROUP-CONTAINING MONOMER
- Publication number 20250051265
- Publication date Feb 13, 2025
- Daikin Industries, Ltd.
- Norimasa Uesugi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
METHOD FOR PRODUCING INSULATION PRODUCTS BASED ON MINERAL FIBRES OR...
- Publication number 20250043514
- Publication date Feb 6, 2025
- SAINT-GOBAIN ISOVER
- Arnaud SOISSON
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Application
A method for improving grease and oil resistance of a fiber based a...
- Publication number 20250043513
- Publication date Feb 6, 2025
- KEMIRA OYJ
- Markus KVIST
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
A METHOD FOR IMPROVING GREASE AND OIL RESISTANCE OF A FIBER BASED A...
- Publication number 20250034813
- Publication date Jan 30, 2025
- KEMIRA OYJ
- Markus KVIST
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
BARRIER-COATED CELLULOSE-BASED SUBSTRATE
- Publication number 20250034812
- Publication date Jan 30, 2025
- Klabin S.A.
- Ulf Nyman
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Method of Modifying Polymer Barrier Films
- Publication number 20250034811
- Publication date Jan 30, 2025
- CHEMSTONE, INC.
- Jonathan Spender
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Fluorine-free Water- and oil-resistant Coating Composition and Coat...
- Publication number 20250026938
- Publication date Jan 23, 2025
- NANO AND ADVANCED MATERIALS INSTITUTE LIMITED
- Yan Yan LAM
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
MOLDED FIBER COMPOSITION FOR A FRUIT-HOLDING CONTAINER
- Publication number 20250027276
- Publication date Jan 23, 2025
- Bull Trout LLC d/b/a Ela's Apples
- Drew Myers
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
BIODEGRADABLE ARTICLE
- Publication number 20250019899
- Publication date Jan 16, 2025
- FUTAMURA CHEMICAL UK LTD
- Martin Richard COCKROFT
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR IMPROVING THE BARRIER PROPERTIES OF A PAPER SUBSTRATE
- Publication number 20250019902
- Publication date Jan 16, 2025
- LAMBERTI SPA
- Andrea MASCARO
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
CELLULOSIC STRUCTURES, METHODS FOR MANUFACTURING CELLULOSIC STRUCTU...
- Publication number 20250003153
- Publication date Jan 2, 2025
- WestRock MWV, LLC
- Steven G. BUSHHOUSE
- B32 - LAYERED PRODUCTS
Information Patent Application
CLOSURE ELEMENT FOR A CUP
- Publication number 20250000288
- Publication date Jan 2, 2025
- Bluewater Innovations AB
- Bengt RITTRI
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
CITRIC ACID-CATALYSED CURRAN MODIFIED CARD BOARD MATERIALS
- Publication number 20250003152
- Publication date Jan 2, 2025
- Cellucomp Limited
- Eric Arron WHALE
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
METHOD FOR MANUFACTURING A MULTIPLY PAPERBOARD, AND A MULTIPLY PAPE...
- Publication number 20240426060
- Publication date Dec 26, 2024
- STORA ENSO OYJ
- Pasi Valkamo
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
FILTER MATERIAL FOR AIR FILTER AND METHOD FOR PRODUCING FILTER MATE...
- Publication number 20240408523
- Publication date Dec 12, 2024
- HOKUETSU CORPORATION
- Nozomi TASHIRO
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Application
HIGH DURABILITY CARDBOARD PRODUCT AND METHOD FOR THE MANUFACTURING...
- Publication number 20240410113
- Publication date Dec 12, 2024
- FIBERDOM OY
- Duncan MAYES
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
WATER-/OIL-REPELLENT AGENT
- Publication number 20240409753
- Publication date Dec 12, 2024
- DAIKIN INDUSTRIES, LTD.
- Hideyuki IKEUCHI
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Sizing or water-repelling agents

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method for making moisture-resistant paper

Method for producing a cellulose product and a cellulose product

Method of surface chemical functionalization for developing of func...

Aqueous compositions with improved barrier properties

Barrier coating for paper and paperboard

Preparation method and recyclingmethod for degradable and recyclabl...

Coating agent for paper and coated paper using same

Treated article, methods of making the treated article, and dispers...

Formulation for size press applications

Recyclable composite material, in particular for food packaging

Grease-resistant film, grease-resistant base material, and grease-r...

Coated paperboard for beverage container carriers and corresponding...

Paper coated with a functional polyolefin film

Fiber-based food containers

Fluorocarbon-free and bio-based oil and water barrier materials com...

Functionalization and reinforcement in the dry state and in the wet...

Methods and apparatus for manufacturing fiber-based produce containers

Paperboard structure with at least one barrier coating layer

Method of modifying polymer barrier films

Preparation method of heat-not-burn cigarette paper with boron nitr...

Biodegradable and compostable dog waste materials and method for us...

Wrapping paper for non-combustible heated type smoking article, non...

Barrier layer for cellulose substrate

Methods and apparatus for manufacturing fiber-based produce containers

Epidermal paper-based electronic devices

Method for manufacturing paper barrier base material

Fibrous sheet with improved properties

Liquid dispersions for acyl halides

Treated article, methods of making the treated article, and dispers...

Polyol fatty acid ester carrier compositions

Patents Applicationslast 30 patents

SIZING ADDITIVE PERFORMANCE USING A NOVEL STRENGTH COMPLEX

STABILIZED SLURRY COMPOSITIONS HAVING ENHANCED BARRIER PROPERTIES

PROCESS FOR PRODUCING AN AQUEOUS POLYMER DISPERSION FROM A VINYL AR...

A METHOD AND A SYSTEM FOR MANUFACTURING A PAPERBOARD

PACKAGING FOR ACCOMMODATING AEROSOL DELIVERING ARTICLE

A MULTI-LAYER FLEXIBLE PACKAGING MATERIAL

THERMALLY ACTIVATED BIOBASED POLYMERIC COATING COMPOSITIONS ON PAPE...

PAPER MATERIAL WITH VIRUCIDAL, BIOCIDAL AND BARRIER PROPERTIES TO W...

MOISTURE MANAGEMENT OF PAPERBOARD STRUCTURES

COATED PAPER SUITABLE FOR USE IN A SACK

PAPER MATERIAL WITH TOTAL CLOSURE PARTICULARLY FOR USE IN THE FOOD...

FLOUROCARBON FREE AND BIOBASED OIL AND WATER BARRIER MATERIALS

FUNCTIONALIZATION AND REINFORCEMENT IN THE DRY STATE AND IN THE WET...

PRODUCTION METHOD FOR AMIDE GROUP-CONTAINING MONOMER

METHOD FOR PRODUCING INSULATION PRODUCTS BASED ON MINERAL FIBRES OR...

A method for improving grease and oil resistance of a fiber based a...

A METHOD FOR IMPROVING GREASE AND OIL RESISTANCE OF A FIBER BASED A...

BARRIER-COATED CELLULOSE-BASED SUBSTRATE

Method of Modifying Polymer Barrier Films

Fluorine-free Water- and oil-resistant Coating Composition and Coat...

MOLDED FIBER COMPOSITION FOR A FRUIT-HOLDING CONTAINER

BIODEGRADABLE ARTICLE

METHOD FOR IMPROVING THE BARRIER PROPERTIES OF A PAPER SUBSTRATE

CELLULOSIC STRUCTURES, METHODS FOR MANUFACTURING CELLULOSIC STRUCTU...

CLOSURE ELEMENT FOR A CUP

CITRIC ACID-CATALYSED CURRAN MODIFIED CARD BOARD MATERIALS

METHOD FOR MANUFACTURING A MULTIPLY PAPERBOARD, AND A MULTIPLY PAPE...

FILTER MATERIAL FOR AIR FILTER AND METHOD FOR PRODUCING FILTER MATE...

HIGH DURABILITY CARDBOARD PRODUCT AND METHOD FOR THE MANUFACTURING...

WATER-/OIL-REPELLENT AGENT