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D21C9/1063
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D
TEXTILES PAPER
D21
Papermaking
D21C
PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS REGENERATION OF PULPING LIQUORS APPARATUS THEREFOR
D21C9/00
After-treatment of cellulose pulp
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D21C9/1063
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Patents Grants
last 30 patents
Information
Patent Grant
Non-wood pulp having high brightness and low debris
Patent number
12,146,262
Issue date
Nov 19, 2024
Kimberly-Clark Worldwide, Inc.
Zhiying Yu
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Crystalline cellulose reinforced cement
Patent number
12,017,955
Issue date
Jun 25, 2024
Sean McAlpine
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
High efficiency fiber bleaching process
Patent number
11,840,805
Issue date
Dec 12, 2023
GPCP IP Holdings LLC
Jeffrey A. Lee
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Methods of pulp fiber treatment
Patent number
11,795,615
Issue date
Oct 24, 2023
Clean Chemistry, Inc.
Wayne E. Buschmann
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Enhanced peroxygen stability in multi-dispense TAED-containing pero...
Patent number
11,731,889
Issue date
Aug 22, 2023
Ecolab USA Inc.
David Dotzauer
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Method for producing bleached wood fibre material
Patent number
11,725,338
Issue date
Aug 15, 2023
BASF SE
Stefan Erren
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
High efficiency fiber bleaching process
Patent number
11,591,751
Issue date
Feb 28, 2023
GPCP IP Holdings LLC
Jeffrey A. Lee
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Collapsible engagement mechanism
Patent number
11,485,682
Issue date
Nov 1, 2022
Jordon Peter Marshall
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Enhanced peroxygen stability in multi-dispense TAED-containing pero...
Patent number
11,053,459
Issue date
Jul 6, 2021
Ecolab USA Inc.
David Dotzauer
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Method for producing bleached wood fibre material
Patent number
11,015,290
Issue date
May 25, 2021
BASF SE
Stefan Erren
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Crosslinked cellulose as precursor in production of high-grade cell...
Patent number
10,829,892
Issue date
Nov 10, 2020
International Paper Company
Mengkui Luo
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Crosslinked cellulose as precursor in production of high-grade cell...
Patent number
10,428,459
Issue date
Oct 1, 2019
International Paper Company
Mengkui Luo
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Enhanced peroxygen stability in multi-dispense TAED-containing pero...
Patent number
10,280,386
Issue date
May 7, 2019
Ecolab USA Inc.
David Dotzauer
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Methods of producing a paper product
Patent number
9,945,073
Issue date
Apr 17, 2018
The Research Foundation for the State University of New York
Thomas E. Amidon
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Crosslinked cellulose as precursor in production of high-grade cell...
Patent number
9,926,665
Issue date
Mar 27, 2018
International Paper Company
Mengkui Luo
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Methods of producing a paper product
Patent number
9,683,329
Issue date
Jun 20, 2017
The Research Foundation for the State University of New York
Thomas E. Amidon
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Laccases for bio-bleaching
Patent number
9,677,053
Issue date
Jun 13, 2017
BASF Enzymes LLC
Janne Samuli Kerovuo
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Laccases for bio-bleaching
Patent number
9,353,477
Issue date
May 31, 2016
BASF Enzymes LLC
Janne Samuli Kerovuo
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Laccases for bio-bleaching
Patent number
8,951,766
Issue date
Feb 10, 2015
BASF Enzymes LLC
Janne Samuli Kerovuo
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Fluorescent whitening agent aqueous solutions
Patent number
8,940,058
Issue date
Jan 27, 2015
3V SIGMA S.p.A.
Ferruccio Berte'
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Near neutral chlorine dioxide bleaching of pulp
Patent number
8,470,132
Issue date
Jun 25, 2013
FPInnovations
Zhi-Hua Jiang
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Laccases for bio-bleaching
Patent number
8,377,670
Issue date
Feb 19, 2013
Verenium Corporation
Janne S. Kerovuo
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Thermostable enzymes for the hydrolysis of mannan-containing polysa...
Patent number
8,357,518
Issue date
Jan 22, 2013
The Board of Trustees of the University of Illinois
Yejun Han
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Product and processes from an integrated forest biorefinery
Patent number
8,317,975
Issue date
Nov 27, 2012
The Research Foundation of the State University of New York
Thomas E. Amidon
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for the bleaching of a pulp suspension by separating calciu...
Patent number
6,679,972
Issue date
Jan 20, 2004
AGA Aktiebolag
Anna Tigerström
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for producing cellulose and fertilizer by-product
Patent number
6,503,369
Issue date
Jan 7, 2003
Chempolis Oy
Pasi P. Rousu
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of bleaching with formamidine sulfinic acid using a reducing...
Patent number
6,428,653
Issue date
Aug 6, 2002
West Fraser Timber Co. Ltd.
Richard C. Denton
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Oxidative delignification of wood pulp or fibers using transition m...
Patent number
5,824,189
Issue date
Oct 20, 1998
The United States of America as represented by the Secretary of Agriculture
Ira A. Weinstock
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Pulping process employing nascent oxygen
Patent number
5,770,010
Issue date
Jun 23, 1998
R-J Holding Company
James W. Jelks
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Oxidative delignification of wood or wood pulp by transition metal-...
Patent number
5,695,605
Issue date
Dec 9, 1997
The United States of America as represented by the Secretary of Agriculture
Ira A. Weinstock
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Patents Applications
last 30 patents
Information
Patent Application
NON-WOOD PULP HAVING HIGH BRIGHTNESS AND LOW DEBRIS
Publication number
20250012010
Publication date
Jan 9, 2025
Kimberly-Clark Worldwide, Inc.
Zhiying Yu
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Crystalline Cellulose Reinforced Cement
Publication number
20240336526
Publication date
Oct 10, 2024
NANO-GREEN BIOREFINERIES INC.
Sean MCALPINE
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
HIGH BRIGHTNESS NON-WOOD PULP
Publication number
20230407562
Publication date
Dec 21, 2023
Kimberly-Clark Worldwide, Inc.
Thomas G. Shannon
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
CROSSLINKED KRAFT PULP COMPOSITIONS AND METHOD
Publication number
20230383467
Publication date
Nov 30, 2023
International Paper Company
Mengkui Luo
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
High Efficiency Fiber Bleaching Process
Publication number
20230167604
Publication date
Jun 1, 2023
GPCP IP Holdings LLC
Jeffrey A. Lee
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
COLLAPSIBLE ENGAGEMENT MECHANISM
Publication number
20230016500
Publication date
Jan 19, 2023
Jordon Peter Marshall
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
ENHANCED PEROXYGEN STABILITY IN MULTI-DISPENSE TAED-CONTAINING PERO...
Publication number
20210284935
Publication date
Sep 16, 2021
ECOLAB USA INC.
David Dotzauer
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR PRODUCING BLEACHED WOOD FIBRE MATERIAL
Publication number
20210254280
Publication date
Aug 19, 2021
BASF SE
Stefan ERREN
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
High Efficiency Fiber Bleaching Process
Publication number
20210079594
Publication date
Mar 18, 2021
GPCP IP Holdings LLC
Jeffrey A. Lee
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
CRYSTALLINE CELLULOSE REINFORCED CEMENT
Publication number
20200079692
Publication date
Mar 12, 2020
NANO-GREEN BIOREFINERIES INC.
Sean MCALPINE
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
CROSSLINKED CELLULOSE AS PRECURSOR IN PRODUCTION OF HIGH-GRADE CELL...
Publication number
20200002891
Publication date
Jan 2, 2020
International Paper Company
Mengkui Luo
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
ENHANCED PEROXYGEN STABILITY IN MULTI-DISPENSE TAED-CONTAINING PERO...
Publication number
20190203159
Publication date
Jul 4, 2019
ECOLAB USA INC.
David Dotzauer
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
METHODS OF PRODUCING A PAPER PRODUCT
Publication number
20180245285
Publication date
Aug 30, 2018
The Research Foundation for the State University of New York
Thomas E. Amidon
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR PRODUCING BLEACHED WOOD FIBRE MATERIAL
Publication number
20180216292
Publication date
Aug 2, 2018
BASF SE
Stefan ERREN
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
CROSSLINKED CELLULOSE AS PRECURSOR IN PRODUCTION OF HIGH-GRADE CELL...
Publication number
20180187372
Publication date
Jul 5, 2018
International Paper Company
Mengkui Luo
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHODS FOR BLEACHING AQUEOUS PULPS AND COMPOSITIONS FOR USE IN THE...
Publication number
20180155871
Publication date
Jun 7, 2018
IMERYS MINERALS LIMITED
Mikko LIKITALO
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHODS OF PRODUCING A PAPER PRODUCT
Publication number
20170306557
Publication date
Oct 26, 2017
The Research Foundation for the State University of New York
Thomas E. Amidon
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
CROSSLINKED CELLULOSE AS LOW-COST PRECURSOR IN PRODUCTION OF HIGH-G...
Publication number
20170247833
Publication date
Aug 31, 2017
WEYERHAEUSER NR COMPANY
Mengkui Lou
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
ENHANCED PEROXYGEN STABILITY IN MULTI-DISPENSE TAED-CONTAINING PERO...
Publication number
20160289606
Publication date
Oct 6, 2016
ECOLAB USA INC.
David Dotzauer
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
ENZYMATIC BLEACHING OF PAPER PULP
Publication number
20160237618
Publication date
Aug 18, 2016
NOVOZYMES A/S
Bjoern Lennart Pierre Alexander Cassland
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Compositions and Methods Comprising LG12-CLADE Protease Variants
Publication number
20160222368
Publication date
Aug 4, 2016
Danisco US Inc.
Lilia M. Babe
C14 - SKINS HIDES PELTS LEATHER
Information
Patent Application
PRODUCT AND PROCESSES FROM AN INTEGRATED FOREST BIOREFINERY
Publication number
20160168791
Publication date
Jun 16, 2016
The Research Foundation for the State University of New York
Thomas E. Amidon
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
FLUORESCENT WHITENING AGENT AQUEOUS SOLUTIONS
Publication number
20140203212
Publication date
Jul 24, 2014
3V SIGMA S.P.A.
Ferruccio Berte'
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Application
PRODUCT AND PROCESSES FROM AN INTEGRATED FOREST BIOREFINERY
Publication number
20140182796
Publication date
Jul 3, 2014
The Research Foundation for the State University of New York
Thomas E. Amidon
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
LACCASES FOR BIO-BLEACHING
Publication number
20130126110
Publication date
May 23, 2013
BASF SE
JANNE SAMULI KEROVUO
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Application
PRODUCT AND PROCESSES FROM AN INTEGRATED FOREST BIOREFINERY
Publication number
20130112359
Publication date
May 9, 2013
Thomas E. Amidon
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
THERMOSTABLE ENZYMES FOR THE HYDROLYSIS OF MANNAN-CONTAINING POLYSA...
Publication number
20110294166
Publication date
Dec 1, 2011
THE BOARD OF TRUSTEES OF THE UNIVERSITY OF ILLINOIS
Yejun HAN
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Application
Laccases for Bio-Bleaching
Publication number
20100018658
Publication date
Jan 28, 2010
Verenium Corporation
Janne S. Kerovuo
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Near Neutral Chlorine Dioxide Bleaching of Pulp
Publication number
20090101296
Publication date
Apr 23, 2009
Zhi-Hua Jiang
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Product and processes from an integrated forest biorefinery
Publication number
20070079944
Publication date
Apr 12, 2007
The Research Foundation of the State University of New York
Thomas E. Amidon
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE