Reinforcing agents

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CPC
D21H21/18

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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

D21H21/18Reinforcing agents

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Composition and its use for use in manufacture of paper, board or t...
- Patent number 12,320,071
- Issue date Jun 3, 2025
- Kemira Oyj
- Matti Hietaniemi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for producing cellulose pulp, cellulose pulp and use thereof...
- Patent number 12,305,332
- Issue date May 20, 2025
- Suzano S.A.
- Otávio Mambrim Filho
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Cellulose composition
- Patent number 12,297,597
- Issue date May 13, 2025
- Kemira Oyj
- Kaisa Karisalmi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Biocomposite material
- Patent number 12,234,607
- Issue date Feb 25, 2025
- OrganoClick AB
- Juhanes Aydin
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Molded pulp article and method for producing molded pulp article
- Patent number 12,195,924
- Issue date Jan 14, 2025
- TOPPAN INC.
- Koji Sakairi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Cellulosic fiber additive formed from Kombucha biofilms
- Patent number 12,098,508
- Issue date Sep 24, 2024
- Shaun Moshasha
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Refined cellulose fiber composition
- Patent number 12,084,563
- Issue date Sep 10, 2024
- Stora Enso Oyj
- Ulla Jansson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Lignocellulosic composites prepared with aqueous alkaline and urea...
- Patent number 12,060,679
- Issue date Aug 13, 2024
- Bradley University
- Brent Tisserat
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Ply of a linerboard and a light weight linerboard for corrugated board
- Patent number 12,053,964
- Issue date Aug 6, 2024
- Stora Enso Oyj
- Seppo Lampainen
- B32 - LAYERED PRODUCTS
Information Patent Grant
Method for producing anionic polymers and use as resistance agents...
- Patent number 12,043,676
- Issue date Jul 23, 2024
- S.P.C.M. SA
- René Hund
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Papermaking agent, manufacturing method for papermaking agent and p...
- Patent number 12,018,437
- Issue date Jun 25, 2024
- Arakawa Chemical Industries, Ltd.
- Ryusuke Kambara
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Tissue product made using laser engraved structuring belt
- Patent number 12,006,635
- Issue date Jun 11, 2024
- STRUCTURED I, LLC
- James E. Sealey
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Sheet
- Patent number 11,987,675
- Issue date May 21, 2024
- Oji Holdings Corporation
- Koh Sakai
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Reinforced paper for packaging of medical devices
- Patent number 11,976,420
- Issue date May 7, 2024
- PELTA MEDICAL PAPERS LTD
- Lars Wahlstrom
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Packing paper
- Patent number 11,965,291
- Issue date Apr 23, 2024
- Mondi AG
- Elisabeth Schwaiger
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Soft tissue produced using a structured fabric and energy efficient...
- Patent number 11,959,226
- Issue date Apr 16, 2024
- First Quality Tissue, LLC
- Byrd Tyler Miller
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Low molecular weight dry powder polymer for use as paper-making dry...
- Patent number 11,939,309
- Issue date Mar 26, 2024
- Ecolab USA Inc.
- Heqing Huang
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process and system for controlling temperature of a circulating foa...
- Patent number 11,920,298
- Issue date Mar 5, 2024
- Kimberly-Clark Worldwide, Inc.
- Aisan Khodaei
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Paper enhancing compositions, uses thereof and enhanced paper
- Patent number 11,905,663
- Issue date Feb 20, 2024
- ITI Technologies, Inc.
- David H. Creasey
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Fiber body manufacturing method
- Patent number 11,859,348
- Issue date Jan 2, 2024
- Seiko Epson Corporation
- Masahide Nakamura
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Oil-resistant agent for paper
- Patent number 11,851,822
- Issue date Dec 26, 2023
- Daikin Industries, Ltd.
- Yuuki Yamamoto
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Soft tissue produced using a structured fabric and energy efficient...
- Patent number 11,807,992
- Issue date Nov 7, 2023
- First Quality Tissue, LLC
- Byrd Tyler Miller
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Fibrous body manufacturing method and fibrous body manufacturing ap...
- Patent number 11,802,377
- Issue date Oct 31, 2023
- Seiko Epson Corporation
- Masahiko Nakazawa
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Paper strength improving additives, their manufacture and use in pa...
- Patent number 11,802,376
- Issue date Oct 31, 2023
- KEMIRA OYJ
- Chen Lu
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Powdery paper-strengthening agent, paper-strengthening agent soluti...
- Patent number 11,795,620
- Issue date Oct 24, 2023
- Arakawa Chemical Industries, Ltd.
- Ryusuke Kambara
- D10 - INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEX...
Information Patent Grant
Paper enhancing compositions, uses thereof and enhanced paper
- Patent number 11,767,640
- Issue date Sep 26, 2023
- ITI Technologies, Inc.
- David H. Creasey
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Paperboard product
- Patent number 11,753,773
- Issue date Sep 12, 2023
- General Mills, Inc.
- George Tuszkiewicz
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for fast dissolution of powder comprising low molecular wei...
- Patent number 11,718,696
- Issue date Aug 8, 2023
- Ecolab USA Inc.
- Heqing Huang
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of manufacturing of a foam-formed cellulosic fibre-material,...
- Patent number 11,692,313
- Issue date Jul 4, 2023
- Tetra Laval Holdings & Finance S.A.
- Mats Aldén
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Binder for glass paper
- Patent number 11,673,979
- Issue date Jun 13, 2023
- Denki Kagaku Kogyo Kabushiki Kaisha
- Nobuyuki Tanno
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
NEW POLYMER AND ITS PREPARATION METHOD
- Publication number 20250171568
- Publication date May 29, 2025
- SNF Group
- Gatien FAUCHER
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
NOVEL POLYMER AND METHOD FOR THE PREPARATION THEREOF
- Publication number 20250171577
- Publication date May 29, 2025
- SNF Group
- Gatien FAUCHER
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD OF PRODUCING VINYLAMINE-CONTAINING POLYMERS
- Publication number 20250163194
- Publication date May 22, 2025
- Solenis Technologies, L.P.
- Dan Whitfield
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PARTICULATE VINYLAMINE COMPOSITIONS AND METHOD OF MAKING
- Publication number 20250163646
- Publication date May 22, 2025
- Solenis Technologies, L.P.
- Dan Whitfield
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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
COMPOSITE MYCELIUM MATERIALS WITH ENHANCED MECHANICAL AND AESTHETIC...
- Publication number 20250146223
- Publication date May 8, 2025
- Bolt Threads, Inc.
- Steven Tom
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
HIGH MOLECULAR WEIGHT GPAM WITH ANIONIC POLYMERIC PROMOTER
- Publication number 20250137200
- Publication date May 1, 2025
- KEMIRA OYJ
- Chen LU
- 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
STRENGTH ENHANCEMENT AGENT FOR PAPER AND PAPERBOARD
- Publication number 20250059712
- Publication date Feb 20, 2025
- STORA ENSO OYJ
- Kaj Backfolk
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Kombucha Cellulose-based Derivative Refined from a Symbiotic Colony...
- Publication number 20250012013
- Publication date Jan 9, 2025
- Shaun Moshasha
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PALLET OUTER PACKAGING PAPER
- Publication number 20250012015
- Publication date Jan 9, 2025
- Mondi AG
- Lars Göran BERGLUND
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
RECYCLABLE COMPOSITE HAVING DISSOLVABLE POLYMER LAYER, METHOD FOR F...
- Publication number 20240376671
- Publication date Nov 14, 2024
- Ahlstrom Oyj
- Corey Bishop
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR MANUFACTURING PAPER AND CARDBOARD
- Publication number 20240376672
- Publication date Nov 14, 2024
- SNF Group
- Cyril BARRIERE
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR ON-SITE GLYOXYLATION OF POLYACRYLAMIDE
- Publication number 20240360253
- Publication date Oct 31, 2024
- KEMIRA OYJ
- Asko KARPPI
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
FOAM FORMULATIONS FOR APPLICATION OF DRY STRENGTH AGENTS
- Publication number 20240360626
- Publication date Oct 31, 2024
- Solenis Technologies, L.P.
- Ashley Hawkins Lewis
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
LOW MOLECULAR WEIGHT DRY POWDER POLYMER FOR USE AS PAPER-MAKING DRY...
- Publication number 20240262802
- Publication date Aug 8, 2024
- ECOLAB USA INC.
- Heqing Huang
- C07 - ORGANIC CHEMISTRY
Information Patent Application
CONTAINER
- Publication number 20240262590
- Publication date Aug 8, 2024
- Bluewater Innovations AB
- Bengt Rittri
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
USE OF AN ANIONIC ADDITIVE TO IMPROVE DRY STRENGTH COMPOSITION PERF...
- Publication number 20240263400
- Publication date Aug 8, 2024
- ECOLAB USA INC.
- David Steven JORDAN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
MULTIPLY CONTAINERBOARD FOR USE IN CORRUGATED BOARD
- Publication number 20240240406
- Publication date Jul 18, 2024
- STORA ENSO OYJ
- Isto Heiskanen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
MULTIPLY CONTAINERBOARD FOR USE IN CORRUGATED BOARD
- Publication number 20240240408
- Publication date Jul 18, 2024
- STORA ENSO OYJ
- Isto Heiskanen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
A method, a paperboard product and use of a foam coater and a subse...
- Publication number 20240229361
- Publication date Jul 11, 2024
- METSÄ BOARD OYJ
- Ari Kiviranta
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
SOFT TISSUE PRODUCED USING A STRUCTURED FABRIC AND ENERGY EFFICIENT...
- Publication number 20240218604
- Publication date Jul 4, 2024
- FIRST QUALITY TISSUE, LLC
- Byrd Tyler Miller
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
SOFT TISSUE PRODUCED USING A STRUCTURED FABRIC AND ENERGY EFFICIENT...
- Publication number 20240218605
- Publication date Jul 4, 2024
- FIRST QUALITY TISSUE, LLC
- Byrd Tyler Miller
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
MOLDED PULP ARTICLE AND METHOD FOR PRODUCING MOLDED PULP ARTICLE
- Publication number 20240200275
- Publication date Jun 20, 2024
- TOPPAN INC.
- Koji SAKAIRI
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR MANUFACTURING PAPER AND CARDBOARD
- Publication number 20240200270
- Publication date Jun 20, 2024
- Cyril BARRIERE
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
SYSTEMS AND METHODS FOR PRODUCTION OF STARCH-LOADED FIBRILLATED FIBERS
- Publication number 20240175211
- Publication date May 30, 2024
- Domtar Paper Company, LLC
- Harshad Pande
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Process and System for Controlling Temperature of a Circulating Foa...
- Publication number 20240175209
- Publication date May 30, 2024
- Kimberly-Clark Worldwide, Inc.
- Aisan Khodaei
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
WATER RESISTANT AND REPULPABLE COMPOSITIONS
- Publication number 20240175215
- Publication date May 30, 2024
- Neenah, Inc.
- Norm TOMLINSON
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR OBTAINING REINFORCED PACKAGING PAPER
- Publication number 20240150968
- Publication date May 9, 2024
- Consejo Superior de Investigaciones Cientificas (CSIC)
- Nuria GOMEZ HERNANDEZ
- C13 - SUGAR INDUSTRY
Information Patent Application
A method, a paperboard product and use of a foam coater and a subse...
- Publication number 20240133122
- Publication date Apr 25, 2024
- METSÄ BOARD OYJ
- Ari Kiviranta
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Reinforcing agents

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Composition and its use for use in manufacture of paper, board or t...

Method for producing cellulose pulp, cellulose pulp and use thereof...

Cellulose composition

Biocomposite material

Molded pulp article and method for producing molded pulp article

Cellulosic fiber additive formed from Kombucha biofilms

Refined cellulose fiber composition

Lignocellulosic composites prepared with aqueous alkaline and urea...

Ply of a linerboard and a light weight linerboard for corrugated board

Method for producing anionic polymers and use as resistance agents...

Papermaking agent, manufacturing method for papermaking agent and p...

Tissue product made using laser engraved structuring belt

Sheet

Reinforced paper for packaging of medical devices

Packing paper

Soft tissue produced using a structured fabric and energy efficient...

Low molecular weight dry powder polymer for use as paper-making dry...

Process and system for controlling temperature of a circulating foa...

Paper enhancing compositions, uses thereof and enhanced paper

Fiber body manufacturing method

Oil-resistant agent for paper

Soft tissue produced using a structured fabric and energy efficient...

Fibrous body manufacturing method and fibrous body manufacturing ap...

Paper strength improving additives, their manufacture and use in pa...

Powdery paper-strengthening agent, paper-strengthening agent soluti...

Paper enhancing compositions, uses thereof and enhanced paper

Paperboard product

Process for fast dissolution of powder comprising low molecular wei...

Method of manufacturing of a foam-formed cellulosic fibre-material,...

Binder for glass paper

Patents Applicationslast 30 patents

NEW POLYMER AND ITS PREPARATION METHOD

NOVEL POLYMER AND METHOD FOR THE PREPARATION THEREOF

METHOD OF PRODUCING VINYLAMINE-CONTAINING POLYMERS

PARTICULATE VINYLAMINE COMPOSITIONS AND METHOD OF MAKING

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

COMPOSITE MYCELIUM MATERIALS WITH ENHANCED MECHANICAL AND AESTHETIC...

HIGH MOLECULAR WEIGHT GPAM WITH ANIONIC POLYMERIC PROMOTER

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

STRENGTH ENHANCEMENT AGENT FOR PAPER AND PAPERBOARD

Kombucha Cellulose-based Derivative Refined from a Symbiotic Colony...

PALLET OUTER PACKAGING PAPER

RECYCLABLE COMPOSITE HAVING DISSOLVABLE POLYMER LAYER, METHOD FOR F...

METHOD FOR MANUFACTURING PAPER AND CARDBOARD

METHOD FOR ON-SITE GLYOXYLATION OF POLYACRYLAMIDE

FOAM FORMULATIONS FOR APPLICATION OF DRY STRENGTH AGENTS

LOW MOLECULAR WEIGHT DRY POWDER POLYMER FOR USE AS PAPER-MAKING DRY...

CONTAINER

USE OF AN ANIONIC ADDITIVE TO IMPROVE DRY STRENGTH COMPOSITION PERF...

MULTIPLY CONTAINERBOARD FOR USE IN CORRUGATED BOARD

MULTIPLY CONTAINERBOARD FOR USE IN CORRUGATED BOARD

A method, a paperboard product and use of a foam coater and a subse...

SOFT TISSUE PRODUCED USING A STRUCTURED FABRIC AND ENERGY EFFICIENT...

SOFT TISSUE PRODUCED USING A STRUCTURED FABRIC AND ENERGY EFFICIENT...

MOLDED PULP ARTICLE AND METHOD FOR PRODUCING MOLDED PULP ARTICLE

METHOD FOR MANUFACTURING PAPER AND CARDBOARD

SYSTEMS AND METHODS FOR PRODUCTION OF STARCH-LOADED FIBRILLATED FIBERS

Process and System for Controlling Temperature of a Circulating Foa...

WATER RESISTANT AND REPULPABLE COMPOSITIONS

METHOD FOR OBTAINING REINFORCED PACKAGING PAPER

A method, a paperboard product and use of a foam coater and a subse...