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D21H17/01
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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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D21H17/01
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Patents Grants
last 30 patents
Information
Patent Grant
System for managing solids in papermaking whitewater
Patent number
12,043,961
Issue date
Jul 23, 2024
Joseph P. McDonald
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Edible multi-ring can-holder and methods for manufacturing edible c...
Patent number
11,788,235
Issue date
Oct 17, 2023
E6PR S.A.P.I. DE C.V.
Gustavo Adolfo Lauria
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of producing a fibrous web
Patent number
11,085,151
Issue date
Aug 10, 2021
Paptic Oy
Tuomas Mustonen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Fiberboards, uses and methods of preparation thereof
Patent number
9,951,474
Issue date
Apr 24, 2018
Uniboard Canada Inc.
Yves Charest
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Use of celluloses in sludge dewatering, and sludge products thereof
Patent number
9,776,900
Issue date
Oct 3, 2017
Buckman Laboratories International, Inc.
Yong Zou
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Recycling of waste coating color
Patent number
8,382,950
Issue date
Feb 26, 2013
Nalco Company
Weiguo Cheng
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Paper sludge processing for animal bedding
Patent number
7,905,987
Issue date
Mar 15, 2011
Casella Waste Systems, Inc.
Patrick Kennedy
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for the preparation of paper, paperboard and cardboard
Patent number
7,887,629
Issue date
Feb 15, 2011
Alpha Calcit Füllstoff GmbH
Dieter Münchow
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for the production of paper
Patent number
7,442,280
Issue date
Oct 28, 2008
Akzo Nobel N.V.
Bore Klemets
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Recycling of latex-containing broke
Patent number
7,364,642
Issue date
Apr 29, 2008
Kimberly-Clark Worldwide, Inc.
Ralph Anderson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Treatment of solid containing material derived from effluent
Patent number
7,300,539
Issue date
Nov 27, 2007
Imerys Minerals Limited
Jonathan Stuart Phipps
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Papermaking process using enzyme-treated sludge, and products
Patent number
7,125,471
Issue date
Oct 24, 2006
Buckman Laboratories International, Inc.
Walter B. Hill, Jr.
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for handling filled reject flows in a paper or paperboard mill
Patent number
6,843,886
Issue date
Jan 18, 2005
Megatrex Oy
Mauno Huovinen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Non-woven web made with untreated clarifier sludge
Patent number
6,572,736
Issue date
Jun 3, 2003
Atlas Roofing Corporation
Philip Bush
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process of recycling fillers and coating pigments from the preparat...
Patent number
6,444,092
Issue date
Sep 3, 2002
Alpha Calcit Füllstoff GmbH
Dieter Münchow
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for obtaining fibers integral with calcium carbonate particles
Patent number
6,387,212
Issue date
May 14, 2002
L'Air Liquide Societe Anonyme A Directoire et Conseil de Surveillance pour l'...
Richard Christian
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for recycling fillers and coating pigments from the prepara...
Patent number
6,214,166
Issue date
Apr 10, 2001
Alpha Calcitt Fullstoff GmbH
Dieter Münchow
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Production of paper and board products with improved retention, dra...
Patent number
6,099,689
Issue date
Aug 8, 2000
Nalco Chemical Company
Przemyslaw Pruszynski
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Decorative laminating sheets employing paper chips and decorative l...
Patent number
5,962,123
Issue date
Oct 5, 1999
The Mead Corporation
Mahendra Mehta
B44 - DECORATIVE ARTS
Information
Patent Grant
Method for modifying papermaking sludge and products made from modi...
Patent number
5,795,377
Issue date
Aug 18, 1998
Kimberly-Clark Worldwide, Inc.
James Jay Tanner
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Method for forming pulp from processed recycled fibers
Patent number
5,772,847
Issue date
Jun 30, 1998
Stone-Consolidated (US) Corporation
Carl W. Simpson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of making surface coated or impregnated paper or paperboard
Patent number
5,753,078
Issue date
May 19, 1998
Cartons St-Laurent, Inc./St. Laurent Paperboard, Inc.
Serge Koutitonsky
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Un-coated paper-making sludge substrate for metallizing
Patent number
5,562,994
Issue date
Oct 8, 1996
Kimberly-Clark Corporation
William A. Abba
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Recovery of water and solids in a paper mill
Patent number
5,558,782
Issue date
Sep 24, 1996
E.C.C. International Limited
Ian S. Bleakley
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Conversion of pulp and paper mill waste solids to a papermaking fil...
Patent number
5,332,474
Issue date
Jul 26, 1994
John V. Maxham
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Latex containing papers
Patent number
4,510,019
Issue date
Apr 9, 1985
Papeteries de Jeand'heurs
Rene Bartelloni
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Grant
Method for recovery of wastewater residues
Patent number
4,481,072
Issue date
Nov 6, 1984
Vsesojuznoe Nauchno-Proizvodstven Noe Obiedinenie Tselljulozno-Bumazhnoi Prom...
Vladimir P. Grudinin
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Board made of fibrous material
Patent number
4,410,573
Issue date
Oct 18, 1983
Regina A. Narymskaya
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Upgrading waste paper by treatment with sulfite waste liquor
Patent number
4,191,610
Issue date
Mar 4, 1980
Eric S. Prior
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
3305435
Patent number
3,305,435
Issue date
Feb 21, 1967
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Patents Applications
last 30 patents
Information
Patent Application
Edible Multi-Ring Can-Holder and Methods for Manufacturing Edible C...
Publication number
20230313469
Publication date
Oct 5, 2023
Gustavo Adolfo Lauria
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
SYSTEM FOR MANAGING SOLIDS IN PAPERMAKING WHITEWATER
Publication number
20220195668
Publication date
Jun 23, 2022
Joseph P. McDonald
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Method of producing a fibrous web
Publication number
20200283958
Publication date
Sep 10, 2020
Paptic Oy
Tuomas Mustonen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
LIQUID SOLUTION FOR TOILET PAPER
Publication number
20200087861
Publication date
Mar 19, 2020
THEODORE A. GALLUCCI
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
A GROUND COVER MULCH IMPREGNATED WITH SUPERCRITICAL FLUID COMPRISIN...
Publication number
20180371316
Publication date
Dec 27, 2018
STORA ENSO OYJ
Kaj Backfolk
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Application
Edible Multi-Ring Can-Holder and Methods for Manufacturing Edible C...
Publication number
20180016750
Publication date
Jan 18, 2018
Gustavo Adolfo Lauria
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
PAPER PULPING PROCESS AND COMPOSITION
Publication number
20160194829
Publication date
Jul 7, 2016
Friends Of Abilities First, Inc.
Jonathan Petefish
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
RECYCLING OF WASTE COATING COLOR
Publication number
20110088861
Publication date
Apr 21, 2011
Weiguo Cheng
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
FIBERBOARDS, USES AND METHODS OF PREPARATION THEREOF
Publication number
20110056635
Publication date
Mar 10, 2011
Yves Charest
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Paper sludge processing for animal bedding
Publication number
20080121361
Publication date
May 29, 2008
Patrick Kennedy
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
FIBERBOARDS, USES AND METHODS OF PREPARATION THEREOF
Publication number
20080044636
Publication date
Feb 21, 2008
Yves Charest
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
TREATMENT OF SOLID CONTAINING MATERIAL DERIVED FROM EFFLUENT
Publication number
20060005932
Publication date
Jan 12, 2006
IMERYS MINERALS LIMITED
Jonathan Stuart Phipps
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
TREATMENT OF SOLID CONTAINING MATERIAL DERIVED FROM EFFLUENT
Publication number
20050167060
Publication date
Aug 4, 2005
IMERYS MINERALS LIMITED
Jonathan Stuart Phipps
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Recycling of latex-containing broke
Publication number
20050039868
Publication date
Feb 24, 2005
KIMBERLY-CLARK WORLDWIDE, INC.
Ralph Anderson
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Method for recycling pulp rejects
Publication number
20040168783
Publication date
Sep 2, 2004
Dieter Munchow
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Treatment of solid containing material derived from effluent
Publication number
20040055715
Publication date
Mar 25, 2004
Jonathan Phipps
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Treatment of solid containing material derived from effluent
Publication number
20030234088
Publication date
Dec 25, 2003
Imerys Minerals Limited
Jonathan Stuart Phipps
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Papermaking process using enzyme-treated sludge, and products
Publication number
20030102095
Publication date
Jun 5, 2003
Walter B. Hill
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Process for recycling fillers and coating pigments from the prepara...
Publication number
20030041990
Publication date
Mar 6, 2003
Dieter Munchow
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Nanometer-scale particle recycled slurry paper
Publication number
20030037897
Publication date
Feb 27, 2003
Jianhu Yu
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Process for the production of paper
Publication number
20020139502
Publication date
Oct 3, 2002
Hans Hallstrom
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Process for recycling fillers and coating pigments from the prepara...
Publication number
20020088587
Publication date
Jul 11, 2002
Dieter Munchow
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Treatment of solid containing material derived from effluent
Publication number
20020079075
Publication date
Jun 27, 2002
Imerys Minerals Limited
Jonathan Stuart Phipps
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Non-woven web made with untreated clarifier sludge
Publication number
20020062934
Publication date
May 30, 2002
Philip Bush
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE