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D21H17/38
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Parent Industries
D
TEXTILES PAPER
D21
Papermaking
D21H
PULP 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
D21H17/00
Non-fibrous material added to the pulp, characterised by its constitution Paper-impregnating material characterised by its constitution
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D21H17/38
containing crosslinkable groups
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Patents Grants
last 30 patents
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
Reduced furfural content in polyacrylic acid crosslinked cellulose...
Patent number
11,725,339
Issue date
Aug 15, 2023
International Paper Company
Angel Stoyanov
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Modified fiber from shredded pulp sheets, methods, and systems
Patent number
11,339,532
Issue date
May 24, 2022
International Paper Company
Charles E. Miller
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Binder compositions for making crosslinked cellulose fiber
Patent number
11,155,963
Issue date
Oct 26, 2021
Rohm and Haas Company
Charles J. Rand
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for preparing a dry-strength agent, in particular glyoxylate...
Patent number
10,927,200
Issue date
Feb 23, 2021
Applied Chemicals Handels-GmbH
Nuri Kerman
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Paper product and method for increasing the strength thereof
Patent number
10,822,462
Issue date
Nov 3, 2020
Kemira Oyj
Yuping Luo
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
Smoking articles having reduced ignition proclivity characteristics
Patent number
10,470,489
Issue date
Nov 12, 2019
Schweitzer-Maudult International, Inc.
Raoul Herve
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information
Patent Grant
Process for treating wood
Patent number
10,335,975
Issue date
Jul 2, 2019
Dow Global Technologies LLC
Xue Chen
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Polymer product, method for producing the polymer and use of the po...
Patent number
10,174,134
Issue date
Jan 8, 2019
Kemira Oyj
Sacha Legrand
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Treated porous material
Patent number
10,166,693
Issue date
Jan 1, 2019
Dow Global Technologies LLC
Xue Chen
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Grant
Modified fiber from shredded pulp sheets, methods, and systems
Patent number
10,156,042
Issue date
Dec 18, 2018
International Paper Company
Charles E. Miller
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of increasing paper strength
Patent number
9,920,482
Issue date
Mar 20, 2018
Ecolab USA Inc.
Bradley Benz
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of increasing drainage performance of a pulp slurry during m...
Patent number
9,873,982
Issue date
Jan 23, 2018
Solenis Technologies, L.P.
John C. Harrington
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for producing polyacrylamide composition
Patent number
9,637,865
Issue date
May 2, 2017
Kemira Oyj
Scott Rosencrance
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Curable epoxide containing formaldehyde-free compositions, articles...
Patent number
9,416,294
Issue date
Aug 16, 2016
H. B. Fuller Company
Wayne P. Miller
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for making a stiffened paper
Patent number
9,133,583
Issue date
Sep 15, 2015
P. H. Glatfelter Company
Thomas W. Ballinger
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Reactive cationic resins for use as dry and wet strength agents in...
Patent number
8,771,469
Issue date
Jul 8, 2014
Hercules Incorporated
Shane Cyr
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Water stable compositions and articles comprising starch and method...
Patent number
8,530,557
Issue date
Sep 10, 2013
The Procter & Gamble Company
Isao Noda
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for making a stiffened paper
Patent number
8,496,784
Issue date
Jul 30, 2013
P. H. Glatfelter Company
Thomas W. Ballinger
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Water stable compositions and articles comprising starch and method...
Patent number
8,435,354
Issue date
May 7, 2013
The Procter & Gamble Company
Isao Noda
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Paper making process using cationic polyacrylamides and crosslinkin...
Patent number
8,197,640
Issue date
Jun 12, 2012
Bercen, Inc.
Joseph Schaffer
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Moisture absorptive and desorptive paper and a method for manufactu...
Patent number
7,998,312
Issue date
Aug 16, 2011
Japan Exlan Company Limited
Ryosuke Nishida
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Temporary wet strength resin for paper applications
Patent number
7,964,669
Issue date
Jun 21, 2011
Kemira Oyj
Robert Joseph Proverb
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Reactive cationic resins for use as dry and wet strength agents in...
Patent number
7,828,934
Issue date
Nov 9, 2010
Hercules Incorporated
Shane Cyr
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Water repellant curable aqueous compositions
Patent number
7,766,975
Issue date
Aug 3, 2010
Rohm & Haas Company
Guy Clamen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Temporary wet strength resin for paper applications
Patent number
7,727,359
Issue date
Jun 1, 2010
Kemira Oyj
Robert Joseph Proverb
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Temporary wet strength additives
Patent number
7,691,233
Issue date
Apr 6, 2010
The Procter & Gamble Company
Robert Lee Barcus
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Temporary wet strength resin for paper applications
Patent number
7,608,665
Issue date
Oct 27, 2009
Lanxess Corporation
Robert Joseph Proverb
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Nonwoven fibrous mat for MERV filter and method
Patent number
7,582,132
Issue date
Sep 1, 2009
Johns Manville
Alan Michael Jaffee
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Patents Applications
last 30 patents
Information
Patent Application
REDUCED FURFURAL CONTENT IN POLYACRYLIC ACID CROSSLINKED CELLULOSE...
Publication number
20250034807
Publication date
Jan 30, 2025
International Paper Company
Angel Stoyanov
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
REDUCED FURFURAL CONTENT IN POLYACRYLIC ACID CROSSLINKED CELLULOSE...
Publication number
20230383461
Publication date
Nov 30, 2023
International Paper Company
Angel Stoyanov
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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
NOVEL COMPOSITION AND METHOD FOR PAPERMAKING
Publication number
20230078847
Publication date
Mar 16, 2023
ECOLAB USA INC.
Mingli WEI
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
MODIFIED FIBER FROM SHREDDED PULP SHEETS, METHODS, AND SYSTEMS
Publication number
20190085508
Publication date
Mar 21, 2019
International Paper Company
Charles E. Miller
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Paper-Making Aid Composition and Process for Increasing Tensile Str...
Publication number
20180298556
Publication date
Oct 18, 2018
ECOLAB USA INC.
Na Xu
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR PRODUCING POLYACRYLAMIDE COMPOSITION
Publication number
20180162966
Publication date
Jun 14, 2018
KEMIRA OYJ
Scott ROSENCRANCE
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
BINDER COMPOSITIONS FOR MAKING CROSSLINKED CELLULOSE FIBER
Publication number
20170356134
Publication date
Dec 14, 2017
Rohm and Haas Company
Charles J. Rand
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Polymer product, method for producing the polymer and use of the po...
Publication number
20170240661
Publication date
Aug 24, 2017
KEMIRA OYJ
Sacha Legrand
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR PRODUCING POLYACRYLAMIDE COMPOSITION
Publication number
20170002519
Publication date
Jan 5, 2017
Scott ROSENCRANCE
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD OF INCREASING PAPER STRENGTH
Publication number
20160097161
Publication date
Apr 7, 2016
ECOLAB USA INC.
Bradley Benz
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
HIGH-PERFORMANCE FIBROUS PRODUCTS
Publication number
20140170313
Publication date
Jun 19, 2014
NanoPaper, LLC
Gangadhar Jogikalmath
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Smoking Articles Having Reduced Ignition Proclivity Characteristics
Publication number
20140090656
Publication date
Apr 3, 2014
Schweitzer-Mauduit International, Inc.
Raoul Herve
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information
Patent Application
CURABLE EPOXIDE CONTAINING FORMALDEHYDE-FREE COMPOSITIONS, ARTICLES...
Publication number
20130284668
Publication date
Oct 31, 2013
H. B. Fuller Company
WAYNE P. MILLER
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
PROCESS FOR MAKING A STIFFENED PAPER
Publication number
20130284388
Publication date
Oct 31, 2013
Thomas W. Ballinger
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
WATER STABLE COMPOSITIONS AND ARTICLES COMPRISING STARCH AND METHOD...
Publication number
20120279421
Publication date
Nov 8, 2012
Isao Noda
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
PROCESS FOR MAKING A STIFFENED PAPER
Publication number
20120255696
Publication date
Oct 11, 2012
P.H. GLATFELTER COMPANY
Thomas W. Ballinger
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
WATER STABLE FIBERS AND ARTICLES COMPRISING STARCH, AND METHODS OF...
Publication number
20120216709
Publication date
Aug 30, 2012
Isao Noda
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
Reactive Cationic Resins for Use as Dry and Wet Strength Agents in...
Publication number
20110056640
Publication date
Mar 10, 2011
Shane Cyr
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
TEMPORARY WET STRENGTH RESIN FOR PAPER APPLICATIONS
Publication number
20100190948
Publication date
Jul 29, 2010
Robert Joseph Proverb
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
TEMPORARY WET STRENGTH RESIN FOR PAPER APPLICATIONS
Publication number
20090283231
Publication date
Nov 19, 2009
Robert Joseph Proverb
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Smoking Articles Having Reduced Ignition Proclivity Characteristics
Publication number
20090120450
Publication date
May 14, 2009
Schweitzer-Mauduit International, Inc.
Raoul Herve
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information
Patent Application
Dry Strength System for the Production of Paper and Board
Publication number
20090107644
Publication date
Apr 30, 2009
John Stuart Cowman
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Paper making process using cationic polyacrylamides and crosslinkin...
Publication number
20080216979
Publication date
Sep 11, 2008
Bercen Incorporated
Joseph Schaffer
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Process for Producing Dried Singulated Fibers Using Steam and Heate...
Publication number
20080010853
Publication date
Jan 17, 2008
Weyerhaeuser Co.
Christopher A. Mann
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
Nonwoven fibrous mat for MERV filter and method
Publication number
20070271889
Publication date
Nov 29, 2007
Alan Michael Jaffee
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Temporary wet strength additives
Publication number
20070251657
Publication date
Nov 1, 2007
Robert Lee Barcus
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Moisture absorptive and desorptive paper and a method for manufactu...
Publication number
20070158043
Publication date
Jul 12, 2007
Ryosuke Nishida
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Water stable compositions and articles comprising starch and method...
Publication number
20070082981
Publication date
Apr 12, 2007
The Procter & Gamble Company
Isao Noda
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
Water stable fibers and articles comprising starch, and methods of...
Publication number
20070079945
Publication date
Apr 12, 2007
Isao Noda
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING