Poly(meth)acrylamide

Industry

CPC
D21H17/375

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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 D21H17/00Non-fibrous material added to the pulp, characterised by its constitution Paper-impregnating material characterised by its constitution

Current Industry

D21H17/375Poly(meth)acrylamide

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Ash retention additive and methods of using the same
- Patent number 12,065,785
- Issue date Aug 20, 2024
- Polymer Ventures, Inc.
- Christopher B. Murphy
- 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
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
Wet laid disposable absorbent structures with high wet strength and...
- Patent number 11,976,421
- Issue date May 7, 2024
- First Quality Tissue, LLC
- James E. Sealey
- 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
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
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
Method of producing absorbent structures with high wet strength, ab...
- Patent number 11,725,345
- Issue date Aug 15, 2023
- STRUCTURED I, LLC
- James E. Sealey
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Filtered smoking article
- Patent number 11,717,023
- Issue date Aug 8, 2023
- Japan Tobacco Inc.
- Toru Sakurai
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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
Soft, low lint, through air dried tissue and method of forming the...
- Patent number 11,674,266
- Issue date Jun 13, 2023
- First Quality Tissue, LLC
- James E. Sealey
- B32 - LAYERED PRODUCTS
Information Patent Grant
Soft, low lint, through air dried tissue and method of forming the...
- Patent number 11,668,052
- Issue date Jun 6, 2023
- First Quality Tissue, LLC
- James E. Sealey
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for manufacturing multi-layered fibrous web and multi-layere...
- Patent number 11,655,593
- Issue date May 23, 2023
- Kemira Oyj
- Matti Hietaniemi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Additive based on water-soluble polymers and uses thereof
- Patent number 11,629,211
- Issue date Apr 18, 2023
- SNF GROUP
- René Hund
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Complex of polymers, preparation and use
- Patent number 11,608,597
- Issue date Mar 21, 2023
- S.P.C.M. SA
- Gatien Faucher
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Fiber assembly-forming method and fiber assembly-forming apparatus
- Patent number 11,566,378
- Issue date Jan 31, 2023
- Seiko Epson Corporation
- Tetsuya Aoyama
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Manufacture of absorbent paper with low charge density imidazoliniu...
- Patent number 11,542,662
- Issue date Jan 3, 2023
- GPCP IP Holdings LLC
- Yu Chen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for manufacture of paper or board and paper or board obtaine...
- Patent number 11,535,985
- Issue date Dec 27, 2022
- Kemira Oyj
- Yuping Luo
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for producing polymer solutions
- Patent number 11,518,695
- Issue date Dec 6, 2022
- Kemira Oyj
- Asko Karppi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Softener composition
- Patent number 11,492,760
- Issue date Nov 8, 2022
- Kemira Oyj
- Chen Lu
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for manufacturing paper, device for manufacturing additive f...
- Patent number 11,459,702
- Issue date Oct 4, 2022
- KURITA WATER INDUSTRIES LTD.
- Jiayi Chen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Zwitterionic imidazolinium surfactant and use in the manufacture of...
- Patent number 11,408,127
- Issue date Aug 9, 2022
- GPCP IP Holdings LLC
- Yu Chen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Polymer product for improving retention of hydrophobic internal siz...
- Patent number 11,339,539
- Issue date May 24, 2022
- Kemira Oyj
- Timo Valkealaakso
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for production of film comprising microfibrillated cellulose
- Patent number 11,319,671
- Issue date May 3, 2022
- Stora Enso Oyj
- Kaj Backfolk
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Polymer compositions and methods of use
- Patent number 11,299,409
- Issue date Apr 12, 2022
- Kemira Oyj
- Logan Jackson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Dry polymer application method
- Patent number 11,214,926
- Issue date Jan 4, 2022
- Ecolab USA Inc.
- Robert M. Lowe
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Surface treatment composition, its use and a method for producing p...
- Patent number 11,208,766
- Issue date Dec 28, 2021
- Kemira Oyj
- Yuping Luo
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
USE OF A CATIONIC COPOLYMER IN A MANUFACTURE OF PAPER, BOARD, TISSU...
- Publication number 20240384471
- Publication date Nov 21, 2024
- KEMIRA OYJ
- Jonni AHLGREN
- 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
BARRIER LAYERS COMPRISING NANOCELLULOSE ONTO THE SURFACE OF PAPER O...
- Publication number 20240352675
- Publication date Oct 24, 2024
- FiberLean Technologies Limited
- Robyn HILL
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
USE OF MODIFIED LIGNIN AS A WET END STRENGTH ADDITIVE
- Publication number 20240344271
- Publication date Oct 17, 2024
- ECOLAB USA INC.
- David Steven JORDAN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
TREATED ARTICLE, METHODS OF MAKING THE TREATED ARTICLE, AND DISPERS...
- Publication number 20240301627
- Publication date Sep 12, 2024
- AGC Chemicals Americas, Inc.
- Tess Duffin Crosetto
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
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
METHOD FOR OBTAINING A BIO-SOURCED-MONOMER FROM RENEWABLE DIMETHYLA...
- Publication number 20240239933
- Publication date Jul 18, 2024
- SNF Group
- Cédrick FAVERO
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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
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
WET LAID DISPOSABLE ABSORBENT STRUCTURES WITH HIGH WET STRENGTH AND...
- Publication number 20240175212
- Publication date May 30, 2024
- FIRST QUALITY TISSUE, LLC
- James E. Sealey
- 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
BARRIER COATINGS APPLIED TO NANOCELLULOSE-COATED PAPER AND PAPERBOARD
- Publication number 20240167227
- Publication date May 23, 2024
- FiberLean Technologies Limited
- Thomas REEVE-LARSON
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Papermaking Method
- Publication number 20240110337
- Publication date Apr 4, 2024
- Billerud Aktiebolag (publ)
- Eero Antero Valtanen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
STABLE CATIONIC POLYACRYLAMIDE DISPERSIONS AND USE THEREOF IN PAPER...
- Publication number 20240052573
- Publication date Feb 15, 2024
- KEMIRA OYJ
- Marko LAAKKONEN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PROCESS FOR MANUFACTURING PAPER OR CARDBOARD
- Publication number 20240044082
- Publication date Feb 8, 2024
- SNF Group
- Cyril BARRIERE
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
WET LAID DISPOSABLE ABSORBENT STRUCTURES WITH HIGH WET STRENGTH AND...
- Publication number 20230407575
- Publication date Dec 21, 2023
- FIRST QUALITY TISSUE, LLC
- James E. Sealey
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
SOFT, LOW LINT, THROUGH AIR DRIED TISSUE AND METHOD OF FORMING THE...
- Publication number 20230265616
- Publication date Aug 24, 2023
- FIRST QUALITY TISSUE, LLC
- James E. Sealey
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
WATER-SOLUBLE POLYMER COMPOSITION
- Publication number 20230227649
- Publication date Jul 20, 2023
- SUMITOMO SEIKA CHEMICALS CO., LTD.
- Naoki SAINOU
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR PITCH CONTROL DURING BLEACHING
- Publication number 20230212821
- Publication date Jul 6, 2023
- KEMIRA OYJ
- Leif ROBERTSEN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PAPERMAKING AGENT, MANUFACTURING METHOD FOR PAPERMAKING AGENT AND P...
- Publication number 20230203756
- Publication date Jun 29, 2023
- Arakawa Chemical Industries, Ltd.
- Ryusuke Kambara
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD OF PREPARING ALDEHYDE-FUNCTIONALIZED POLYMERS
- Publication number 20230128251
- Publication date Apr 27, 2023
- ECOLAB USA INC.
- HERMAN MARK GRIMM
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
COMPOSITION AND METHOD FOR MANUFACTURE OF PAPER, BOARD OR THE LIKE
- Publication number 20230122111
- Publication date Apr 20, 2023
- KEMIRA OYJ
- Kimmo Strengell
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Papermaking Agent, Manufacturing Method For Papermaking Agent and P...
- Publication number 20230085796
- Publication date Mar 23, 2023
- Arakawa Chemical Industries, Ltd.
- Ryusuke Kambara
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD OF REDUCING HYDROPHOBIC CONTAMINANTS IN A PULPING OR PAPERMA...
- Publication number 20230071350
- Publication date Mar 9, 2023
- Solenis Technologies, L.P.
- Davit Edward Sharoyan
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
POWDERY PAPER-STRENGTHENING AGENT, PAPER-STRENGTHENING AGENT SOLUTI...
- Publication number 20230065141
- Publication date Mar 2, 2023
- Arakawa Chemical Industries, Ltd.
- Ryusuke KAMBARA
- D10 - INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEX...
Information Patent Application
PACKING PAPER
- Publication number 20220403602
- Publication date Dec 22, 2022
- Mondi AG
- Elisabeth SCHWAIGER
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
TREATED ARTICLE, METHODS OF MAKING THE TREATED ARTICLE, AND DISPERS...
- Publication number 20220178078
- Publication date Jun 9, 2022
- AGC Chemicals Americas, Inc.
- Tess Duffin Crosetto
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
CELLULOSE-BASED MATERIALS AND CONTAINERS MADE THEREFROM
- Publication number 20210404118
- Publication date Dec 30, 2021
- International Paper Company
- SADAKAT HUSSAIN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
POWDERY PAPER-STRENGTHENING AGENT, PAPER-STRENGTHENING AGENT SOLUTI...
- Publication number 20210269982
- Publication date Sep 2, 2021
- Arakawa Chemical Industries, Ltd.
- Ryusuke KAMBARA
- D10 - INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEX...

Poly(meth)acrylamide

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Ash retention additive and methods of using the same

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

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

Wet laid disposable absorbent structures with high wet strength and...

Packing paper

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

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

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

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

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

Method of producing absorbent structures with high wet strength, ab...

Filtered smoking article

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

Soft, low lint, through air dried tissue and method of forming the...

Soft, low lint, through air dried tissue and method of forming the...

Method for manufacturing multi-layered fibrous web and multi-layere...

Additive based on water-soluble polymers and uses thereof

Complex of polymers, preparation and use

Fiber assembly-forming method and fiber assembly-forming apparatus

Manufacture of absorbent paper with low charge density imidazoliniu...

Method for manufacture of paper or board and paper or board obtaine...

Method for producing polymer solutions

Softener composition

Method for manufacturing paper, device for manufacturing additive f...

Zwitterionic imidazolinium surfactant and use in the manufacture of...

Polymer product for improving retention of hydrophobic internal siz...

Process for production of film comprising microfibrillated cellulose

Polymer compositions and methods of use

Dry polymer application method

Surface treatment composition, its use and a method for producing p...

Patents Applicationslast 30 patents

USE OF A CATIONIC COPOLYMER IN A MANUFACTURE OF PAPER, BOARD, TISSU...

METHOD FOR MANUFACTURING PAPER AND CARDBOARD

BARRIER LAYERS COMPRISING NANOCELLULOSE ONTO THE SURFACE OF PAPER O...

USE OF MODIFIED LIGNIN AS A WET END STRENGTH ADDITIVE

TREATED ARTICLE, METHODS OF MAKING THE TREATED ARTICLE, AND DISPERS...

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

METHOD FOR OBTAINING A BIO-SOURCED-MONOMER FROM RENEWABLE DIMETHYLA...

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

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

METHOD FOR MANUFACTURING PAPER AND CARDBOARD

WET LAID DISPOSABLE ABSORBENT STRUCTURES WITH HIGH WET STRENGTH AND...

WATER RESISTANT AND REPULPABLE COMPOSITIONS

BARRIER COATINGS APPLIED TO NANOCELLULOSE-COATED PAPER AND PAPERBOARD

Papermaking Method

STABLE CATIONIC POLYACRYLAMIDE DISPERSIONS AND USE THEREOF IN PAPER...

PROCESS FOR MANUFACTURING PAPER OR CARDBOARD

WET LAID DISPOSABLE ABSORBENT STRUCTURES WITH HIGH WET STRENGTH AND...

SOFT, LOW LINT, THROUGH AIR DRIED TISSUE AND METHOD OF FORMING THE...

WATER-SOLUBLE POLYMER COMPOSITION

METHOD FOR PITCH CONTROL DURING BLEACHING

PAPERMAKING AGENT, MANUFACTURING METHOD FOR PAPERMAKING AGENT AND P...

METHOD OF PREPARING ALDEHYDE-FUNCTIONALIZED POLYMERS

COMPOSITION AND METHOD FOR MANUFACTURE OF PAPER, BOARD OR THE LIKE

Papermaking Agent, Manufacturing Method For Papermaking Agent and P...

METHOD OF REDUCING HYDROPHOBIC CONTAMINANTS IN A PULPING OR PAPERMA...

POWDERY PAPER-STRENGTHENING AGENT, PAPER-STRENGTHENING AGENT SOLUTI...

PACKING PAPER

TREATED ARTICLE, METHODS OF MAKING THE TREATED ARTICLE, AND DISPERS...

CELLULOSE-BASED MATERIALS AND CONTAINERS MADE THEREFROM

POWDERY PAPER-STRENGTHENING AGENT, PAPER-STRENGTHENING AGENT SOLUTI...