Paper forming aids

Industry

CPC
D21H21/06

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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

D21H21/06Paper forming aids

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Multilayer film comprising highly refined cellulose fibers
- Patent number 12,258,711
- Issue date Mar 25, 2025
- Stora Enso Oyj
- Isto Heiskanen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Creped multi-ply tissue product
- Patent number 11,959,227
- Issue date Apr 16, 2024
- Kevin Joseph Vogt
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Treated pulp and methods of making and using same
- Patent number 11,932,990
- Issue date Mar 19, 2024
- International Paper Company
- Andre Stephan Hajnal
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Creped multi-ply tissue product
- Patent number 11,649,591
- Issue date May 16, 2023
- Kimberly-Clark Worldwide, Inc.
- Kevin Joseph Vogt
- B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information Patent Grant
Fiber body forming method and sheet
- Patent number 11,492,759
- Issue date Nov 8, 2022
- Seiko Epson Corporation
- Shigemi Wakabayashi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Treated pulp and methods of making and using same
- Patent number 11,473,242
- Issue date Oct 18, 2022
- International Paper Company
- Andre Stephan Hajnal
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Creped multi-ply tissue product
- Patent number 11,427,968
- Issue date Aug 30, 2022
- Kimberly-Clark Worldwide, Inc.
- Kevin Joseph Vogt
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for manufacturing inorganic particle composite fiber sheet
- Patent number 11,268,241
- Issue date Mar 8, 2022
- Nippon Paper Industries Co., Ltd.
- Ayaka Hasegawa
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Pickled vegetable-based edible packaging paper and preparation meth...
- Patent number 11,255,047
- Issue date Feb 22, 2022
- Shanghai Jiao Tong University
- Jinhong Wu
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Molded pomace pulp products and methods
- Patent number 11,078,630
- Issue date Aug 3, 2021
- Oregon State University
- Yanyun Zhao
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Sheet manufacturing apparatus, sheet manufacturing system, control...
- Patent number 11,008,707
- Issue date May 18, 2021
- Seiko Epson Corporation
- Kaneo Yoda
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Grant
Method to form a web comprising fibers
- Patent number 10,927,503
- Issue date Feb 23, 2021
- Stora Enso Oyj
- Kaj Backfolk
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Microfibrillated film
- Patent number 10,927,504
- Issue date Feb 23, 2021
- Stora Enso Oyj
- Kaj Backfolk
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Binder, sheet manufacturing apparatus, sheet manufacturing method,...
- Patent number 10,900,175
- Issue date Jan 26, 2021
- Seiko Epson Corporation
- Yoshihiro Ueno
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Stabilized composition for combined odor control and enhanced dewat...
- Patent number 10,858,453
- Issue date Dec 8, 2020
- International Dioxcide, Inc.
- Adrian Alan Burke
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Release aid
- Patent number 10,844,541
- Issue date Nov 24, 2020
- Ecolab USA Inc.
- Jia Wu
- B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information Patent Grant
Paper-like and nanocomposite material based on mineral fiber
- Patent number 10,829,893
- Issue date Nov 10, 2020
- Howicken Management Limited
- Evgenii Vladimirovich Dubovoi
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Use of an acrylate copolymer as retention aid in a method of making...
- Patent number 10,829,895
- Issue date Nov 10, 2020
- ARCHROMA IP GMBH
- John Cowman
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for making absorbent towel and soft sanitary tissue paper webs
- Patent number 10,731,295
- Issue date Aug 4, 2020
- Mercer International Inc.
- Tobias Ziegenbein
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Papermaking process of increasing ash content of a paper product an...
- Patent number 10,697,121
- Issue date Jun 30, 2020
- Ecolab USA Inc.
- Qinglong Rao
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for producing paper
- Patent number 10,626,558
- Issue date Apr 21, 2020
- Solenis Technologies, L.P.
- Anton Esser
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for controlling hydrophobic particles in aqueous environment...
- Patent number 10,550,518
- Issue date Feb 4, 2020
- Kemira Oyj
- Li Yan
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Sheet manufacturing apparatus and sheet manufacturing method
- Patent number 10,428,466
- Issue date Oct 1, 2019
- Seiko Epson Corporation
- Naotaka Higuchi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Hydrolysable sheet
- Patent number 10,422,084
- Issue date Sep 24, 2019
- Daio Paper Corporation
- Shinpei Mukoyama
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Manufacturing method for a film or product comprising an amphiphili...
- Patent number 10,358,772
- Issue date Jul 23, 2019
- Stora Enso Oyj
- Isto Heiskanen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for preparing microcapsules having a polyurea shell and a l...
- Patent number 10,307,723
- Issue date Jun 4, 2019
- BASF SE
- Ewelina Burakowska-Meise
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Aldehyde-functionalized polymers for paper strength and dewatering
- Patent number 10,006,170
- Issue date Jun 26, 2018
- Ecolab USA Inc.
- Herman Mark Grimm
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Structured block copolymers
- Patent number 10,005,873
- Issue date Jun 26, 2018
- Kemira Oyj
- Sacha Legrand
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Papermaking agent system, method for making a papermaking agent sys...
- Patent number 9,809,930
- Issue date Nov 7, 2017
- Kemira Oyj
- Asko Karppi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Aqueous solution of cationic copolymers derived from acrylamide, pr...
- Patent number 9,725,532
- Issue date Aug 8, 2017
- S.P.C.M. SA
- René Hund
- 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 REDUCING STARCH CONTENT OF AN AQUEOUS PHASE REMOVED FROM...
- Publication number 20240328089
- Publication date Oct 3, 2024
- KEMIRA OYJ
- Jonni AHLGREN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
TREATED PULP AND METHODS OF MAKING AND USING SAME
- Publication number 20230250581
- Publication date Aug 10, 2023
- International Paper Company
- Andre Stephan Hajnal
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
CREPED MULTI-PLY TISSUE PRODUCT
- Publication number 20230235513
- Publication date Jul 27, 2023
- Kimberly-Clark Worldwide, Inc.
- Kevin Joseph Vogt
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
MULTILAYER FILM COMPRISING HIGHLY REFINED CELLULOSE FIBERS
- Publication number 20230135217
- Publication date May 4, 2023
- STORA ENSO OYJ
- Isto Heiskanen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
BUFFER MATERIAL
- Publication number 20230037691
- Publication date Feb 9, 2023
- SEIKO EPSON CORPORATION
- Jun TAKIZAWA
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
CREPED MULTI-PLY TISSUE PRODUCT
- Publication number 20220364310
- Publication date Nov 17, 2022
- Kimberly-Clark Worldwide, Inc.
- Kevin Joseph Vogt
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR MANUFACTURING INJECTION MOLDING MATERIAL AND INJECTION M...
- Publication number 20220106739
- Publication date Apr 7, 2022
- SEIKO EPSON CORPORATION
- Satomi YOSHIOKA
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
CREPED MULTI-PLY TISSUE PRODUCT
- Publication number 20220090324
- Publication date Mar 24, 2022
- Kimberly-Clark Worldwide, Inc.
- Kevin Joseph Vogt
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
STARCH COMPOSITE FOR BINDING FIBERS, FIBER STRUCTURE, AND FIBER STR...
- Publication number 20210363700
- Publication date Nov 25, 2021
- SEIKO EPSON CORPORATION
- Satomi YOSHIOKA
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
FIBER STRUCTURAL BODY AND METHOD FOR MANUFACTURING THE SAME
- Publication number 20210017711
- Publication date Jan 21, 2021
- SEIKO EPSON CORPORATION
- Shinobu YOKOKAWA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PICKLED VEGETABLE-BASED EDIBLE PACKAGING PAPER AND PREPARATION METH...
- Publication number 20200399831
- Publication date Dec 24, 2020
- SHANGHAI JIAO TONG UNIVERSITY
- Jinhong WU
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Application
FIBER BODY FORMING METHOD AND SHEET
- Publication number 20200385930
- Publication date Dec 10, 2020
- SEIKO EPSON CORPORATION
- Shigemi WAKABAYASHI
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
TREATED PULP AND METHODS OF MAKING AND USING SAME
- Publication number 20200308766
- Publication date Oct 1, 2020
- International Paper Company
- Andre Stephan Hajnal
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
SHEET MANUFACTURING BINDING MATERIAL, RECEIVING CONTAINER, SHEET, A...
- Publication number 20200080262
- Publication date Mar 12, 2020
- SEIKO EPSON CORPORATION
- Takumi SAGO
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR MANUFACTURING INORGANIC PARTICLE COMPOSITE FIBER SHEET
- Publication number 20200024804
- Publication date Jan 23, 2020
- Nippon Paper Industries Co., Ltd.
- Ayaka HASEGAWA
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PROCESS FOR MAKING ABSORBENT TOWEL AND SOFT SANITARY TISSUE PAPER WEBS
- Publication number 20200024803
- Publication date Jan 23, 2020
- Mercer International Inc.
- Tobias Ziegenbein
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
A METHOD TO FORM A WEB COMPRISING FIBERS
- Publication number 20190264394
- Publication date Aug 29, 2019
- STORA ENSO OYJ
- Kaj Backfolk
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
MICROFIBRILLATED FILM
- Publication number 20190234020
- Publication date Aug 1, 2019
- STORA ENSO OYJ
- Kaj Backfolk
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD OF PRODUCING A CARBOXYALKYLATED NFC PRODUCT, A CARBOXYALKYLA...
- Publication number 20190169797
- Publication date Jun 6, 2019
- RISE INNVENTIA AB
- Ali NADERI
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
BINDER, SHEET MANUFACTURING APPARATUS, SHEET MANUFACTURING METHOD,...
- Publication number 20190100881
- Publication date Apr 4, 2019
- SEIKO EPSON CORPORATION
- Yoshihiro UENO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
SHEET MANUFACTURING APPARATUS, SHEET MANUFACTURING SYSTEM, CONTROL...
- Publication number 20190062996
- Publication date Feb 28, 2019
- SEIKO EPSON CORPORATION
- Kaneo YODA
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Release Aid
- Publication number 20190055695
- Publication date Feb 21, 2019
- ECOLAB USA INC.
- Jia Wu
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
HYDROLYSABLE SHEET
- Publication number 20190003128
- Publication date Jan 3, 2019
- DAIO PAPER CORPORATION
- Shinpei MUKOYAMA
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
PAPER-LIKE AND NANOCOMPOSITE MATERIAL BASED ON MINERAL FIBER
- Publication number 20180371695
- Publication date Dec 27, 2018
- HOWICKEN MANAGEMENT LIMITED
- Evgenii Vladimirovich DUBOVOI
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
MANUFACTURING METHOD FOR A FILM OR PRODUCT COMPRISING AN AMPHIPHILI...
- Publication number 20180355557
- Publication date Dec 13, 2018
- STORA ENSO OYJ
- Isto Heiskanen
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Method for controlling hydrophobic particles in aqueous environment...
- Publication number 20180187374
- Publication date Jul 5, 2018
- KEMIRA OYJ
- Li Yan
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
MOLDED POMACE PULP PRODUCTS AND METHODS
- Publication number 20180119361
- Publication date May 3, 2018
- Oregon State University
- Yanyun Zhao
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
STABILIZED COMPOSITION FOR COMBINED ODOR CONTROL AND ENHANCED DEWAT...
- Publication number 20180112014
- Publication date Apr 26, 2018
- International Dioxcide, Inc.
- Adrian Alan BURKE
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
SHEET MANUFACTURING APPARATUS AND SHEET MANUFACTURING METHOD
- Publication number 20180080176
- Publication date Mar 22, 2018
- SEIKO EPSON CORPORATION
- Naotaka HIGUCHI
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Paper forming aids

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Multilayer film comprising highly refined cellulose fibers

Creped multi-ply tissue product

Treated pulp and methods of making and using same

Creped multi-ply tissue product

Fiber body forming method and sheet

Treated pulp and methods of making and using same

Creped multi-ply tissue product

Method for manufacturing inorganic particle composite fiber sheet

Pickled vegetable-based edible packaging paper and preparation meth...

Molded pomace pulp products and methods

Sheet manufacturing apparatus, sheet manufacturing system, control...

Method to form a web comprising fibers

Microfibrillated film

Binder, sheet manufacturing apparatus, sheet manufacturing method,...

Stabilized composition for combined odor control and enhanced dewat...

Release aid

Paper-like and nanocomposite material based on mineral fiber

Use of an acrylate copolymer as retention aid in a method of making...

Process for making absorbent towel and soft sanitary tissue paper webs

Papermaking process of increasing ash content of a paper product an...

Method for producing paper

Method for controlling hydrophobic particles in aqueous environment...

Sheet manufacturing apparatus and sheet manufacturing method

Hydrolysable sheet

Manufacturing method for a film or product comprising an amphiphili...

Process for preparing microcapsules having a polyurea shell and a l...

Aldehyde-functionalized polymers for paper strength and dewatering

Structured block copolymers

Papermaking agent system, method for making a papermaking agent sys...

Aqueous solution of cationic copolymers derived from acrylamide, pr...

Patents Applicationslast 30 patents

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

METHOD FOR REDUCING STARCH CONTENT OF AN AQUEOUS PHASE REMOVED FROM...

TREATED PULP AND METHODS OF MAKING AND USING SAME

CREPED MULTI-PLY TISSUE PRODUCT

MULTILAYER FILM COMPRISING HIGHLY REFINED CELLULOSE FIBERS

BUFFER MATERIAL

CREPED MULTI-PLY TISSUE PRODUCT

METHOD FOR MANUFACTURING INJECTION MOLDING MATERIAL AND INJECTION M...

CREPED MULTI-PLY TISSUE PRODUCT

STARCH COMPOSITE FOR BINDING FIBERS, FIBER STRUCTURE, AND FIBER STR...

FIBER STRUCTURAL BODY AND METHOD FOR MANUFACTURING THE SAME

PICKLED VEGETABLE-BASED EDIBLE PACKAGING PAPER AND PREPARATION METH...

FIBER BODY FORMING METHOD AND SHEET

TREATED PULP AND METHODS OF MAKING AND USING SAME

SHEET MANUFACTURING BINDING MATERIAL, RECEIVING CONTAINER, SHEET, A...

METHOD FOR MANUFACTURING INORGANIC PARTICLE COMPOSITE FIBER SHEET

PROCESS FOR MAKING ABSORBENT TOWEL AND SOFT SANITARY TISSUE PAPER WEBS

A METHOD TO FORM A WEB COMPRISING FIBERS

MICROFIBRILLATED FILM

METHOD OF PRODUCING A CARBOXYALKYLATED NFC PRODUCT, A CARBOXYALKYLA...

BINDER, SHEET MANUFACTURING APPARATUS, SHEET MANUFACTURING METHOD,...

SHEET MANUFACTURING APPARATUS, SHEET MANUFACTURING SYSTEM, CONTROL...

Release Aid

HYDROLYSABLE SHEET

PAPER-LIKE AND NANOCOMPOSITE MATERIAL BASED ON MINERAL FIBER

MANUFACTURING METHOD FOR A FILM OR PRODUCT COMPRISING AN AMPHIPHILI...

Method for controlling hydrophobic particles in aqueous environment...

MOLDED POMACE PULP PRODUCTS AND METHODS

STABILIZED COMPOSITION FOR COMBINED ODOR CONTROL AND ENHANCED DEWAT...

SHEET MANUFACTURING APPARATUS AND SHEET MANUFACTURING METHOD