Pretreatment of the paper

Industry

CPC
D21H23/30

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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 D21H23/00Processes or apparatus for adding material to the pulp or to the paper

Current Industry

D21H23/30Pretreatment of the paper

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Paper-based flexible packaging material with high barrier propertie...
- Patent number 12,297,601
- Issue date May 13, 2025
- Societe des Produits Nestle S.A.
- Alexey Vishtal
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Compositions and methods for pretreating substrates for the subsequ...
- Patent number 11,827,806
- Issue date Nov 28, 2023
- EXCOR Korrosionsforschung GmbH
- Georg Reinhard
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Manufacturing process of intermittent coating release paper
- Patent number 11,814,796
- Issue date Nov 14, 2023
- Foshan XinFei Hygiene Materials Co., Ltd.
- Fanfei Mu
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Smooth and low density paperboard structures and methods for manufa...
- Patent number 11,697,908
- Issue date Jul 11, 2023
- WestRock MWV, LLC
- Sergio A. Giuste
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Fiber body forming method and fiber body forming apparatus
- Patent number 11,680,372
- Issue date Jun 20, 2023
- Seiko Epson Corporation
- Tetsuya Aoyama
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Composition for paper coating slip
- Patent number 11,661,705
- Issue date May 30, 2023
- Coatex
- Francis Bony
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Fiber body forming method and fiber body forming apparatus
- Patent number 11,346,054
- Issue date May 31, 2022
- Seiko Epson Corporation
- Tetsuya Aoyama
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Smooth and low density paperboard structures and methods for manufa...
- Patent number 11,293,142
- Issue date Apr 5, 2022
- WestRock MWV, LLC
- Sergio A. Giuste
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Systems and methods for implementing a post-processing scheme for m...
- Patent number 9,956,789
- Issue date May 1, 2018
- Xerox Corporation
- Steven R Moore
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Basecoat and associated paperboard structure
- Patent number 9,732,473
- Issue date Aug 15, 2017
- WestRock MWV, LLC
- Gary P. Fugitt
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Wet strength treated paper and paperboard
- Patent number 9,499,944
- Issue date Nov 22, 2016
- Georgia-Pacific Chemicals LLC
- Gregg A. Reed
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for coating dry finish paperboard
- Patent number 8,313,614
- Issue date Nov 20, 2012
- MeadWestvaco Corporation
- Gary P. Fugitt
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for coating dry finish paperboard
- Patent number 8,187,420
- Issue date May 29, 2012
- MeadWestvaco Corporation
- Gary P. Fugitt
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Basecoat and associated paperboard structure
- Patent number 8,142,887
- Issue date Mar 27, 2012
- MeadWestvaco Corporation
- Gary P. Fugitt
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for coating dry finish paperboard
- Patent number 8,025,763
- Issue date Sep 27, 2011
- MeadWestvaco Corporation
- Gary P. Fugitt
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for production of coated paper with extreme whiteness
- Patent number 7,641,765
- Issue date Jan 5, 2010
- BASF Aktiengesellschaft
- Thierry Blum
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of producing coated paper with reduced gloss mottle
- Patent number 7,504,002
- Issue date Mar 17, 2009
- NewPage Corporation
- Gregg Lee Brelsford
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Rolled paper product having high bulk and softness
- Patent number 7,470,345
- Issue date Dec 30, 2008
- Kimberly-Clark Worldwide, Inc.
- Clayton Charles Troxell
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Treatment of natural polymer based materials and the products based...
- Patent number 7,459,185
- Issue date Dec 2, 2008
- Commonwealth Scientific and Industrial Research Organization
- Wojciech Stanislaw Gutowski
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for manufacturing base paper for release paper
- Patent number 7,387,703
- Issue date Jun 17, 2008
- UPM-Kymmene Corporation
- Timo Koskinen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Application device
- Patent number 7,326,301
- Issue date Feb 5, 2008
- Voith Paper Patent GmbH
- Richard Bernert
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Paper having a cellulosic fiber layer treated with elementary parti...
- Patent number 7,198,841
- Issue date Apr 3, 2007
- Metso Paper Oy
- Vilho Nissinen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Precalendering method, finishing method and apparatus for implement...
- Patent number 7,169,260
- Issue date Jan 30, 2007
- Metso Paper, Inc.
- Johan Grön
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus for curtain coating
- Patent number 7,101,592
- Issue date Sep 5, 2006
- Dow Global Technologies Inc.
- Markus Gueggi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Application device
- Patent number 7,037,375
- Issue date May 2, 2006
- Voith Paper Patent GmbH
- Richard Bernert
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for manufacturing release paper
- Patent number 6,989,076
- Issue date Jan 24, 2006
- Lohjan Paperi Oy
- Rolf Moring
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for bonding chemical additives on to substrates containing...
- Patent number 6,916,402
- Issue date Jul 12, 2005
- Kimberly-Clark Worldwide, Inc.
- Thomas G. Shannon
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Treatment of natural polymer based materials and the products based...
- Patent number 6,830,784
- Issue date Dec 14, 2004
- Commonwealth Scientific and Industrial Research Organisation
- Wojciech Stanislaw Gutowski
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and arrangement for calendering paper and board before and a...
- Patent number 6,811,654
- Issue date Nov 2, 2004
- Valmet Corporation
- Pauli Kytönen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Apparatus for making a web of paper or board containing calcium car...
- Patent number 6,787,196
- Issue date Sep 7, 2004
- Metso Paper Oy
- Vilho Nissinen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
PAPER-BASED FLEXIBLE PACKAGING MATERIAL WITH HIGH BARRIER PROPERTIE...
- Publication number 20230123531
- Publication date Apr 20, 2023
- SOCIETE DES PRODUITS NESTLE S.A.
- ALEXEY VISHTAL
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
MANUFACTURING PROCESS OF INTERMITTENT COATING RELEASE PAPER
- Publication number 20220349126
- Publication date Nov 3, 2022
- Foshan XinFei Hygiene Materials Co., Ltd.
- Fanfei MU
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
INTERLAYER MATERIAL FOR LITHIUM-SULFUR BATTERY, AND LITHIUM-SULFUR...
- Publication number 20220328837
- Publication date Oct 13, 2022
- QILU UNIVERSITY OF TECHNOLOGY
- Guowei ZHOU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SMOOTH AND LOW DENSITY PAPERBOARD STRUCTURES AND METHODS FOR MANUFA...
- Publication number 20220267961
- Publication date Aug 25, 2022
- WestRock MWV, LLC
- Sergio A. Giuste
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
FIBER BODY FORMING METHOD AND FIBER BODY FORMING APPARATUS
- Publication number 20220251786
- Publication date Aug 11, 2022
- SEIKO EPSON CORPORATION
- Tetsuya AOYAMA
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR PRODUCING SHEET FOR HEAT-INSULATING FOAMED PAPER CONTAINER
- Publication number 20210340709
- Publication date Nov 4, 2021
- Yoshitsugu NISHINO
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
SMOOTH AND LOW DENSITY PAPERBOARD STRUCTURES AND METHODS FOR MANUFA...
- Publication number 20200354894
- Publication date Nov 12, 2020
- WestRock MWV, LLC
- Sergio A. Giuste
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
FIBER BODY FORMING METHOD AND FIBER BODY FORMING APPARATUS
- Publication number 20200165781
- Publication date May 28, 2020
- SEIKO EPSON CORPORATION
- Tetsuya AOYAMA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
FIBER BODY FORMING METHOD AND FIBER BODY FORMING APPARATUS
- Publication number 20200165780
- Publication date May 28, 2020
- SEIKO EPSON CORPORATION
- Tetsuya AOYAMA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
SYSTEMS AND METHODS FOR IMPLEMENTING A POST-PROCESSING SCHEME FOR M...
- Publication number 20170100943
- Publication date Apr 13, 2017
- Xerox Corporation
- Steven R. MOORE
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Method for Coating Dry Finish Paperboard
- Publication number 20120186763
- Publication date Jul 26, 2012
- Gary P. Fugitt
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Basecoat and Associated Paperboard Structure
- Publication number 20120145040
- Publication date Jun 14, 2012
- Gary P. Fugitt
- G01 - MEASURING TESTING
Information Patent Application
Method for Coating Dry Finish Paperboard
- Publication number 20110315332
- Publication date Dec 29, 2011
- Gary P. Fugitt
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD AND ARRANGEMENT FOR THE PRODUCTION OF A WOOD-FREE COATED, MA...
- Publication number 20100006251
- Publication date Jan 14, 2010
- Voith Paper Patent GmbH
- Reinhard Leigraf
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR APPLYING A METAL ON PAPER
- Publication number 20090297840
- Publication date Dec 3, 2009
- LINEA TERGI LTD.
- Karl-Gunnar Larsson
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Method For Coating Dry Finish Paperboard
- Publication number 20090236062
- Publication date Sep 24, 2009
- Gary P. Fugitt
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Basecoat and Associated Paperboard Structure
- Publication number 20090239047
- Publication date Sep 24, 2009
- Gary P. Fugitt
- G01 - MEASURING TESTING
Information Patent Application
METHOD FOR APPLYING A METAL ON A SUBSTRATE
- Publication number 20090205853
- Publication date Aug 20, 2009
- LINEA TERGI LTD.
- Karl-Gunnar Larsson
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Board Product and Method of Making the Same
- Publication number 20080251223
- Publication date Oct 16, 2008
- Matti Lares
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Method of producing coated paper with reduced gloss mottle
- Publication number 20070169902
- Publication date Jul 26, 2007
- Gregg Lee Brelsford
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Method and system for producing a wood-free coated matte or semi-ma...
- Publication number 20070166462
- Publication date Jul 19, 2007
- Reinhard Leigraf
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Method for increasing moisture content in extrusion coated paperboard
- Publication number 20070071899
- Publication date Mar 29, 2007
- Mark Olin Mason
- B32 - LAYERED PRODUCTS
Information Patent Application
Board product and method for making the same
- Publication number 20060124262
- Publication date Jun 15, 2006
- Matti Lares
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Board product and method for making the same
- Publication number 20060102303
- Publication date May 18, 2006
- Matti Lares
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Application device
- Publication number 20060065190
- Publication date Mar 30, 2006
- Voith Paper Patent GmbH
- Richard Bernert
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Curtain coater
- Publication number 20060000410
- Publication date Jan 5, 2006
- Jukka P. Koskinen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Method for manufacturing laminated hd (high-density) paper with goo...
- Publication number 20050199359
- Publication date Sep 15, 2005
- Knut Magne Furuheim
- B32 - LAYERED PRODUCTS
Information Patent Application
Rolled paper product having high bulk and softness
- Publication number 20050145353
- Publication date Jul 7, 2005
- Clayton Charles Troxell
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Method for manufacturing base paper for release paper
- Publication number 20050126729
- Publication date Jun 16, 2005
- Timo Koskinen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Method for treating the surface of a web
- Publication number 20050098284
- Publication date May 12, 2005
- Metso Paper, Inc.
- Antti Heikkinen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Pretreatment of the paper

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Paper-based flexible packaging material with high barrier propertie...

Compositions and methods for pretreating substrates for the subsequ...

Manufacturing process of intermittent coating release paper

Smooth and low density paperboard structures and methods for manufa...

Fiber body forming method and fiber body forming apparatus

Composition for paper coating slip

Fiber body forming method and fiber body forming apparatus

Smooth and low density paperboard structures and methods for manufa...

Systems and methods for implementing a post-processing scheme for m...

Basecoat and associated paperboard structure

Wet strength treated paper and paperboard

Method for coating dry finish paperboard

Method for coating dry finish paperboard

Basecoat and associated paperboard structure

Method for coating dry finish paperboard

Method for production of coated paper with extreme whiteness

Method of producing coated paper with reduced gloss mottle

Rolled paper product having high bulk and softness

Treatment of natural polymer based materials and the products based...

Method for manufacturing base paper for release paper

Application device

Paper having a cellulosic fiber layer treated with elementary parti...

Precalendering method, finishing method and apparatus for implement...

Method and apparatus for curtain coating

Application device

Method for manufacturing release paper

Process for bonding chemical additives on to substrates containing...

Treatment of natural polymer based materials and the products based...

Method and arrangement for calendering paper and board before and a...

Apparatus for making a web of paper or board containing calcium car...

Patents Applicationslast 30 patents

PAPER-BASED FLEXIBLE PACKAGING MATERIAL WITH HIGH BARRIER PROPERTIE...

MANUFACTURING PROCESS OF INTERMITTENT COATING RELEASE PAPER

INTERLAYER MATERIAL FOR LITHIUM-SULFUR BATTERY, AND LITHIUM-SULFUR...

SMOOTH AND LOW DENSITY PAPERBOARD STRUCTURES AND METHODS FOR MANUFA...

FIBER BODY FORMING METHOD AND FIBER BODY FORMING APPARATUS

METHOD FOR PRODUCING SHEET FOR HEAT-INSULATING FOAMED PAPER CONTAINER

SMOOTH AND LOW DENSITY PAPERBOARD STRUCTURES AND METHODS FOR MANUFA...

FIBER BODY FORMING METHOD AND FIBER BODY FORMING APPARATUS

FIBER BODY FORMING METHOD AND FIBER BODY FORMING APPARATUS

SYSTEMS AND METHODS FOR IMPLEMENTING A POST-PROCESSING SCHEME FOR M...

Method for Coating Dry Finish Paperboard

Basecoat and Associated Paperboard Structure

Method for Coating Dry Finish Paperboard

METHOD AND ARRANGEMENT FOR THE PRODUCTION OF A WOOD-FREE COATED, MA...

METHOD FOR APPLYING A METAL ON PAPER

Method For Coating Dry Finish Paperboard

Basecoat and Associated Paperboard Structure

METHOD FOR APPLYING A METAL ON A SUBSTRATE

Board Product and Method of Making the Same

Method of producing coated paper with reduced gloss mottle

Method and system for producing a wood-free coated matte or semi-ma...

Method for increasing moisture content in extrusion coated paperboard

Board product and method for making the same

Board product and method for making the same

Application device

Curtain coater

Method for manufacturing laminated hd (high-density) paper with goo...

Rolled paper product having high bulk and softness

Method for manufacturing base paper for release paper

Method for treating the surface of a web