Chemical or biochemical treatment

Industry

CPC
D21H25/02

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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 D21H25/00After-treatment of paper not provided for in groups D21H17/00 - D21H23/00

Current Industry

D21H25/02Chemical or biochemical treatment

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Method for preparing green slow-release preservative paper used for...
- Patent number 12,234,610
- Issue date Feb 25, 2025
- Bohai University
- Tong Sun
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Antimicrobial biodegradable compositions for food contact articles
- Patent number 12,123,144
- Issue date Oct 22, 2024
- Danimer IPCo, LLC
- Carol G. Leggett
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Decay-resistant paper
- Patent number 12,104,326
- Issue date Oct 1, 2024
- NIPPON BEET SUGAR MANUFACTURING., CO., LTD
- Takuya Nakagawa
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Gas diffusion layer for proton exchange membrane fuel cell and prep...
- Patent number 11,876,232
- Issue date Jan 16, 2024
- Donghua University
- Biao Wang
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Composition for use in the finishing, preservation, restoration of...
- Patent number 11,773,533
- Issue date Oct 3, 2023
- Universita Degli Studi Di Roma “La Sapienza”
- Armandodoriano Bianco
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Device for deacidifying, reinforcing and strengthening ancient books
- Patent number 11,549,218
- Issue date Jan 10, 2023
- South China University of Technology
- Huiming Fan
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Heat-sealable barrier paper
- Patent number 11,371,189
- Issue date Jun 28, 2022
- Mitsubishi HiTec Paper Europe GmbH
- Lena-Maria Grundl
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and device for protecting paper sheet
- Patent number 11,346,055
- Issue date May 31, 2022
- HANGZHOU ZHONGCAI TECHNOLOGY CO., LTD.
- Xiwen Zhang
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Multi-ply resilient tissue products
- Patent number 11,076,726
- Issue date Aug 3, 2021
- Kimberly-Clark Worldwide, Inc.
- Kevin Joseph Vogt
- B32 - LAYERED PRODUCTS
Information Patent Grant
Superficially treated flexible materials suitable for filtering and...
- Patent number 11,041,270
- Issue date Jun 22, 2021
- Universita Degli Studi di Milano-Bicocca
- Claudia Riccardi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for preparing titanium dioxide-based synthetic paper
- Patent number 11,015,294
- Issue date May 25, 2021
- Hunan University of Science and Technology
- Hu Zhou
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Sheet, method for producing sheet, and laminate
- Patent number 10,899,899
- Issue date Jan 26, 2021
- Oji Holdings Corporation
- Go Banzashi
- B32 - LAYERED PRODUCTS
Information Patent Grant
Method for producing a decorated sheet and use thereof
- Patent number 10,815,621
- Issue date Oct 27, 2020
- Surface Technologies GMBH & Co. KG
- Egon Hoff
- B32 - LAYERED PRODUCTS
Information Patent Grant
Water-free surface sizing composition and method for treating a pap...
- Patent number 10,745,862
- Issue date Aug 18, 2020
- Ecolab USA Inc.
- Gabriel Fernando Sanapo
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Release paper and method of manufacture
- Patent number 10,731,298
- Issue date Aug 4, 2020
- University of Maine System Board of Trustees
- Michael A. Bilodeau
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Multi-ply resilient tissue products
- Patent number 10,610,063
- Issue date Apr 7, 2020
- Kimberly-Clark Worldwide, Inc.
- Kevin Joseph Vogt
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Lignin-based waterproof coating
- Patent number 10,544,545
- Issue date Jan 28, 2020
- Queensland University of Technology
- Leslie Alan Edye
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Thermal sublimation paper, method for the production thereof and us...
- Patent number 10,265,986
- Issue date Apr 23, 2019
- PAPIERFABRIK AUGUST KOEHLER SE
- Lutz Kuhne
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Method for producing surface-modified base material, method for pro...
- Patent number 10,227,493
- Issue date Mar 12, 2019
- Kyoto University
- Kazuki Nakanishi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Machine and treatment process via chromatogenous grafting of a hydr...
- Patent number 10,207,287
- Issue date Feb 19, 2019
- Centre National de la Recherche Scientifique (Cnrs)
- Daniel Samain
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Reusable water writing paper, preparation method thereof, and inkle...
- Patent number 10,156,043
- Issue date Dec 18, 2018
- Jilin University
- Sean Xiao-An Zhang
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus for impregnating semi-finished fibrous products
- Patent number 10,106,930
- Issue date Oct 23, 2018
- Universitat Stuttgart
- Gerd Falk
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Diaphragm paper, and preparation method and application thereof
- Patent number 10,103,373
- Issue date Oct 16, 2018
- South China University of Technology
- Jian Hu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Manufacture of hydrated nanocellulose sheets for use as a dermatolo...
- Patent number 9,970,159
- Issue date May 15, 2018
- Innovatech Engineering, LLC
- Raghuram Dhumpa
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Electrical insulating paper and stationary induction electrical app...
- Patent number 9,953,744
- Issue date Apr 24, 2018
- Hitachi, Ltd.
- Kohhei Aida
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Isolated aqueous enzymatic preparation and the use thereof for the...
- Patent number 9,702,087
- Issue date Jul 11, 2017
- Universitat Politecnica de Catalunya
- Oriol Cusola Aumedes
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Zinc or copper (II) salt and use thereof as a biocide
- Patent number 9,695,103
- Issue date Jul 4, 2017
- LABORATORIYA BIO ZET, LLC
- Igor I. Zotkin
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Aqueous glyoxyl-based insolubilizer composition for the surface tre...
- Patent number 9,657,442
- Issue date May 23, 2017
- ARCHROMA IP GMBH
- Claude Trouve
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Modified phenolic resins for making composite products
- Patent number 9,598,600
- Issue date Mar 21, 2017
- Georgia-Pacific Chemicals LLC
- Ramji Srinivasan
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Low grammage recording medium
- Patent number 9,545,810
- Issue date Jan 17, 2017
- Hewlett-Packard Development Company, L.P.
- Gracy Apprisiani Wingkono
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
Antiviral and antibacterial composition and tissue product, and rel...
- Publication number 20250129548
- Publication date Apr 24, 2025
- Cartiere Carrara S.p.A.
- Massimo Carrara
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
ACID-FREE SOLUTION PROCESS FOR STRUCTURALLY INTACT CARBON FIBER PAP...
- Publication number 20250052007
- Publication date Feb 13, 2025
- University of Rochester
- Astrid M. MUELLER
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
RECYCLABLE AND REUSABLE POLLEN PAPER
- Publication number 20240158988
- Publication date May 16, 2024
- Nanyang Technological University
- Nam-Joon CHO
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
AKD EMULSION AND METHOD OF MAKING
- Publication number 20240158991
- Publication date May 16, 2024
- Solenis Technologies, L.P.
- Ray Peng
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
GAS DIFFUSION LAYER FOR PROTON EXCHANGE MEMBRANE FUEL CELL AND PREP...
- Publication number 20230395815
- Publication date Dec 7, 2023
- DONGHUA UNIVERSITY
- Biao WANG
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
WATER DISPERSIBLE SHEET AND METHOD TO MANUFACTURE WATER DISPERSIBLE...
- Publication number 20230167608
- Publication date Jun 1, 2023
- Daio Paper Corporation
- Kaori KANAMARU
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD OF SURFACE CHEMICAL FUNCTIONALIZATION FOR DEVELOPING OF FUNC...
- Publication number 20230063903
- Publication date Mar 2, 2023
- City University of Hong Kong
- Chi-Chiu KO
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Method for fermenting biomass and producing material sheets and sus...
- Publication number 20230052976
- Publication date Feb 16, 2023
- MAKEGROWLAB Sp. z o.o.
- MAGDALENA RÓZA BRITO
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
Vaping Article Comprising a Functionalized Cooling Zone
- Publication number 20220400738
- Publication date Dec 22, 2022
- Schweitzer-Mauduit International, Inc.
- Oxana Cherkas
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
DECAY-RESISTANT PAPER
- Publication number 20220333311
- Publication date Oct 20, 2022
- NIPPON BEET SUGAR MANUFACTURING., CO., LTD.
- Takuya NAKAGAWA
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PRODUCTION OF SHEETS COMPRISING FIBRILLATED CELLULOSE
- Publication number 20220251784
- Publication date Aug 11, 2022
- BILLERUDKORSNÄS AB
- Yunus Can Gorur
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Method For Preparing Green Slow-Release Preservative Paper Used For...
- Publication number 20220154406
- Publication date May 19, 2022
- Bohai University
- Tong SUN
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Application
ANTIMICROBIAL BIODEGRADABLE COMPOSITIONS FOR FOOD CONTACT ARTICLES
- Publication number 20220056643
- Publication date Feb 24, 2022
- Meredian Bioplastics, Inc.
- Carol G. Leggett
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Engineered Corn Husk Compositions And Methods
- Publication number 20220034028
- Publication date Feb 3, 2022
- DW Specialized Products & Services, Inc.
- David John Wengierski
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
MULTI-PLY RESILIENT TISSUE PRODUCTS
- Publication number 20210321831
- Publication date Oct 21, 2021
- Kimberly-Clark Worldwide, Inc.
- Kevin Joseph Vogt
- B32 - LAYERED PRODUCTS
Information Patent Application
COMPOSITION FOR USE IN THE FINISHING, PRESERVATION, RESTORATION OF...
- Publication number 20210108362
- Publication date Apr 15, 2021
- UNIVERSITA DEGLI STUDI DI ROMA "LA SAPIENZA"
- Armandodoriano BIANCO
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
HEAT-SEALABLE BARRIER PAPER
- Publication number 20210002828
- Publication date Jan 7, 2021
- MITSUBISHI HITEC PAPER EUROPE GMBH
- Lena-Maria GRUNDL
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
SUPERFICIALLY TREATED FLEXIBLE MATERIALS SUITABLE FOR FILTERING AND...
- Publication number 20200362507
- Publication date Nov 19, 2020
- UNIVERSITA' DEGLI STUDI DI MILANO-BICOCCA
- Claudia Riccardi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
SYSTEM AND METHODS FOR PRODUCING CONFETTI TO DISSOLVE IN SALT WATER
- Publication number 20200318291
- Publication date Oct 8, 2020
- William LOUGHRAN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
MULTI-PLY RESILIENT TISSUE PRODUCTS
- Publication number 20200187725
- Publication date Jun 18, 2020
- Kimberly-Clark Worldwide, Inc.
- Kevin Joseph Vogt
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
NOVEL DEVICE FOR DEACIDIFYING, REINFORCING AND STRENGTHENING ANCIEN...
- Publication number 20200157742
- Publication date May 21, 2020
- SOUTH CHINA UNIVERSITY OF TECHNOLOGY
- Huiming FAN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Ultra-High Resolution Conductive Traces Flexible Biocomposites by R...
- Publication number 20200096869
- Publication date Mar 26, 2020
- Georgia Tech Research Corporation
- Ruilong Ma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
MULTI-PLY RESILIENT TISSUE PRODUCTS
- Publication number 20200000295
- Publication date Jan 2, 2020
- Kimberly-Clark Worldwide, Inc.
- Kevin Joseph Vogt
- B32 - LAYERED PRODUCTS
Information Patent Application
METHOD AND DEVICE FOR PROTECTING PAPER SHEET
- Publication number 20190390410
- Publication date Dec 26, 2019
- HANGZHOU ZHONGCAI TECHNOLOGY CO., LTD.
- Xiwen ZHANG
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR PREPARING TITANIUM DIOXIDE-BASED SYNTHETIC PAPER
- Publication number 20180291560
- Publication date Oct 11, 2018
- HUNAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
- Hu Zhou
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
MANUFACTURE OF HYDRATED NANOCELLULOSE SHEETS FOR USE AS A DERMATOLO...
- Publication number 20180044856
- Publication date Feb 15, 2018
- Innovatech Engineering, LLC
- Raghuram Dhumpa
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
THERMAL SUBLIMATION PAPER, METHOD FOR THE PRODUCTION THEREOF AND US...
- Publication number 20170305178
- Publication date Oct 26, 2017
- PAPIERFABRIK AUGUST KOEHLER SE
- Lutz KUHNE
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Method for the Continuous Coating of a Cellulose-Based Fibrous Subs...
- Publication number 20170241080
- Publication date Aug 24, 2017
- delfortgroup AG
- Christian Eichholz
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
Water-Free Surface Sizing Composition and Method for Treating a Pap...
- Publication number 20170175337
- Publication date Jun 22, 2017
- ECOLAB USA INC.
- Gabriel Fernando Sanapo
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR PRODUCING SURFACE-MODIFIED BASE MATERIAL, METHOD FOR PRO...
- Publication number 20170022223
- Publication date Jan 26, 2017
- Kyoto University
- Kazuki NAKANISHI
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Chemical or biochemical treatment

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method for preparing green slow-release preservative paper used for...

Antimicrobial biodegradable compositions for food contact articles

Decay-resistant paper

Gas diffusion layer for proton exchange membrane fuel cell and prep...

Composition for use in the finishing, preservation, restoration of...

Device for deacidifying, reinforcing and strengthening ancient books

Heat-sealable barrier paper

Method and device for protecting paper sheet

Multi-ply resilient tissue products

Superficially treated flexible materials suitable for filtering and...

Method for preparing titanium dioxide-based synthetic paper

Sheet, method for producing sheet, and laminate

Method for producing a decorated sheet and use thereof

Water-free surface sizing composition and method for treating a pap...

Release paper and method of manufacture

Multi-ply resilient tissue products

Lignin-based waterproof coating

Thermal sublimation paper, method for the production thereof and us...

Method for producing surface-modified base material, method for pro...

Machine and treatment process via chromatogenous grafting of a hydr...

Reusable water writing paper, preparation method thereof, and inkle...

Method and apparatus for impregnating semi-finished fibrous products

Diaphragm paper, and preparation method and application thereof

Manufacture of hydrated nanocellulose sheets for use as a dermatolo...

Electrical insulating paper and stationary induction electrical app...

Isolated aqueous enzymatic preparation and the use thereof for the...

Zinc or copper (II) salt and use thereof as a biocide

Aqueous glyoxyl-based insolubilizer composition for the surface tre...

Modified phenolic resins for making composite products

Low grammage recording medium

Patents Applicationslast 30 patents

Antiviral and antibacterial composition and tissue product, and rel...

ACID-FREE SOLUTION PROCESS FOR STRUCTURALLY INTACT CARBON FIBER PAP...

RECYCLABLE AND REUSABLE POLLEN PAPER

AKD EMULSION AND METHOD OF MAKING

GAS DIFFUSION LAYER FOR PROTON EXCHANGE MEMBRANE FUEL CELL AND PREP...

WATER DISPERSIBLE SHEET AND METHOD TO MANUFACTURE WATER DISPERSIBLE...

METHOD OF SURFACE CHEMICAL FUNCTIONALIZATION FOR DEVELOPING OF FUNC...

Method for fermenting biomass and producing material sheets and sus...

Vaping Article Comprising a Functionalized Cooling Zone

DECAY-RESISTANT PAPER

PRODUCTION OF SHEETS COMPRISING FIBRILLATED CELLULOSE

Method For Preparing Green Slow-Release Preservative Paper Used For...

ANTIMICROBIAL BIODEGRADABLE COMPOSITIONS FOR FOOD CONTACT ARTICLES

Engineered Corn Husk Compositions And Methods

MULTI-PLY RESILIENT TISSUE PRODUCTS

COMPOSITION FOR USE IN THE FINISHING, PRESERVATION, RESTORATION OF...

HEAT-SEALABLE BARRIER PAPER

SUPERFICIALLY TREATED FLEXIBLE MATERIALS SUITABLE FOR FILTERING AND...

SYSTEM AND METHODS FOR PRODUCING CONFETTI TO DISSOLVE IN SALT WATER

MULTI-PLY RESILIENT TISSUE PRODUCTS

NOVEL DEVICE FOR DEACIDIFYING, REINFORCING AND STRENGTHENING ANCIEN...

Ultra-High Resolution Conductive Traces Flexible Biocomposites by R...

MULTI-PLY RESILIENT TISSUE PRODUCTS

METHOD AND DEVICE FOR PROTECTING PAPER SHEET

METHOD FOR PREPARING TITANIUM DIOXIDE-BASED SYNTHETIC PAPER

MANUFACTURE OF HYDRATED NANOCELLULOSE SHEETS FOR USE AS A DERMATOLO...

THERMAL SUBLIMATION PAPER, METHOD FOR THE PRODUCTION THEREOF AND US...

Method for the Continuous Coating of a Cellulose-Based Fibrous Subs...

Water-Free Surface Sizing Composition and Method for Treating a Pap...

METHOD FOR PRODUCING SURFACE-MODIFIED BASE MATERIAL, METHOD FOR PRO...