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Bleaching; Apparatus therefor
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D21C9/10
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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
Current Industry
D21C9/10
Bleaching; Apparatus therefor
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Patents Grants
last 30 patents
Information
Patent Grant
Continuous process for production of cellulose pulp from grass-like...
Patent number
11,976,416
Issue date
May 7, 2024
Marinko Mikulic
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Processes and apparatus for producing nanocellulose, and compositio...
Patent number
11,932,706
Issue date
Mar 19, 2024
GranBio Intellectual Property Holdings, LLC
Kimberly Nelson
C07 - ORGANIC CHEMISTRY
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
Nanolignocellulose compositions and processes to produce these comp...
Patent number
11,834,523
Issue date
Dec 5, 2023
GranBio Intellectual Property Holdings, LLC
Kimberly Nelson
C13 - SUGAR INDUSTRY
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
Far superior oxidation catalysts based on macrocyclic compounds
Patent number
11,772,085
Issue date
Oct 3, 2023
Carnegie Mellon University
Terrence James Collins
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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
Modified cellulose from chemical kraft fiber and methods of making...
Patent number
RE49570
Issue date
Jul 4, 2023
GP Cellulose GmbH
Arthur J. Nonni
Information
Patent Grant
Dissolving wood pulps and methods of making and using the same
Patent number
11,661,704
Issue date
May 30, 2023
GP Cellulose GmbH
Arthur James Nonni
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for preparing dissolving pulp by TCF bleaching of poplar KP
Patent number
11,643,777
Issue date
May 9, 2023
QILU UNIVERSITY OF TECHNOLOGY
Xingxiang Ji
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Odor control pulp composition
Patent number
11,613,849
Issue date
Mar 28, 2023
International Paper Company
Peter M. Froass
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process of producing nanofibrillated cellulose with low energy cons...
Patent number
11,598,049
Issue date
Mar 7, 2023
SUZANO S.A.
Heloisa Ogushi Romeiro Ramires
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
Composite cellulose material obtained from coffee husks or cocoa sh...
Patent number
11,578,191
Issue date
Feb 14, 2023
Industria Colombiana de Cafe S.A.S.
Juan Carlos Posada Correa
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
High consistency re-pulping method, apparatus and absorbent product...
Patent number
11,486,089
Issue date
Nov 1, 2022
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
Fiber production with supercritical fluid phase from cotton straw
Patent number
11,479,913
Issue date
Oct 25, 2022
Mustafa Soylu
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Pulp, slurry, sheet, laminate, and method for producing pulp
Patent number
11,447,915
Issue date
Sep 20, 2022
Oji Holdings Corporation
Mengchen Zhao
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Cannabis fiber, absorbent cellulosic structures containing cannabis...
Patent number
11,390,995
Issue date
Jul 19, 2022
First Quality Tissue, LLC
Karthik Ramaratnam
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for bleaching paper pulp
Patent number
11,384,480
Issue date
Jul 12, 2022
CENTRE TECHNIQUE DE L'INDUSTRIE DES PAPIERS, CARTONS ET CELLULOSES
Gerard Mortha
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Processes and systems for the pulping of lignocellulosic materials
Patent number
11,352,746
Issue date
Jun 7, 2022
ANDRITZ INC.
Antti Luukkonen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Odor control pulp composition
Patent number
11,332,886
Issue date
May 17, 2022
International Paper Company
Peter M. Froass
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for producing parenchymal cell cellulose
Patent number
11,299,852
Issue date
Apr 12, 2022
BETULIUM OY
Antti Laukkanen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for producing cellulose pulp, cellulose pulp and use thereof...
Patent number
11,248,344
Issue date
Feb 15, 2022
Suzano S.A.
Otávio Mambrim Filho
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for the preparation of a mixture of chelating agents, mixtu...
Patent number
11,225,456
Issue date
Jan 18, 2022
Kemira Oyj
Reijo Aksela
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for enhanced oxygen delignification of chemical wood pulps
Patent number
11,193,237
Issue date
Dec 7, 2021
Daniel Joseph Nicholson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
High alpha and high intrinsic viscosity pulp production apparatuses...
Patent number
11,142,589
Issue date
Oct 12, 2021
Bracell Bahia Specialty Cellulose SA
André de Azambuja Turqueti
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Modified cellulose from chemical kraft fiber and methods of making...
Patent number
11,111,628
Issue date
Sep 7, 2021
GP Cellulose GmbH
Arthur J. Nonni
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Dissolving wood pulps and methods of making and using the same
Patent number
11,105,042
Issue date
Aug 31, 2021
GP Cellulose GmbH
Arthur J. Nonni
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Patents Applications
last 30 patents
Information
Patent Application
UPCYCLED CELLULOSIC FIBERS
Publication number
20240044080
Publication date
Feb 8, 2024
GRASIM INDUSTRIES LIMITED
Sharad Pandharinath Pawar
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
METHOD FOR BLEACHING PULP FROM RECYCLED TEXTILE MATERIAL
Publication number
20230392320
Publication date
Dec 7, 2023
VALMET AB
Maria WENNERSTRÖM
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
SHORT-SEQUENCE ECF BLEACHING PROCESS X/Z/D-EOP-D OR X/D/Z-EOP-D FOR...
Publication number
20230349098
Publication date
Nov 2, 2023
QILU UNIVERSITY OF TECHNOLOGY
Jiachuan CHEN
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PROCESS FOR PRODUCTION OF CELLULOSE NANOFIBERS FROM MISCANTHUS X. G...
Publication number
20230313455
Publication date
Oct 5, 2023
The University of Chicago
Stuart J. ROWAN
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
OXYGEN BLEACHING METHOD OF PULP
Publication number
20230272580
Publication date
Aug 31, 2023
Beijing Forestry University
Feng XU
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
HIGH YIELD CHEMICAL PULPING AND BLEACHING PROCESS
Publication number
20230265609
Publication date
Aug 24, 2023
GPCP IP Holdings LLC
Jeffrey A. Lee
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PROCESS AND APPARATUS FOR PRODUCING BLEACHED CELLULOSE
Publication number
20230203751
Publication date
Jun 29, 2023
Messer Austria GmbH
Bernhard Thaller
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
METHODS AND SYSTEMS FOR PROCESSING MIXED TEXTILE FEEDSTOCK, ISOLATI...
Publication number
20230124761
Publication date
Apr 20, 2023
EVRNU, SPC
Stacy Flynn
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
METHOD FOR MANUFACTURING BLEACHED PULP FROM A FEEDSTOCK COMPRISING...
Publication number
20230073443
Publication date
Mar 9, 2023
WestRock MWV, LLC
Peter W. HART
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
ODOR CONTROL PULP COMPOSITION
Publication number
20230009849
Publication date
Jan 12, 2023
International Paper Company
PETER M. FROASS
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PULP, SLURRY, SHEET, LAMINATE, AND METHOD FOR PRODUCING PULP
Publication number
20220372707
Publication date
Nov 24, 2022
OJI HOLDINGS CORPORATION
Mengchen Zhao
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
CELLULOSE MATERIAL PLASTICIZATION AND VISCOSITY CONTROLLED CELLULOS...
Publication number
20220298725
Publication date
Sep 22, 2022
UPM-Kymmene Corporation
Pasi VIRTANEN
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR MANUFACTURING BLEACHED PULP, FEEDSTOCK, AND PACKAGING SY...
Publication number
20220267957
Publication date
Aug 25, 2022
WestRock MWV, LLC
Fritz G. Paulsen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PROCESS TO OPTIMIZE BROWN STOCK WASHING UNIT OPERATIONS
Publication number
20220251781
Publication date
Aug 11, 2022
ECOLAB USA INC.
William Von Drasek
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
COMMON PREPARATION OF LIGNOCELLULOSIC FEEDSTOCK AND A PRODUCT CONTA...
Publication number
20220243399
Publication date
Aug 4, 2022
LENZING AKTIENGESELLSCHAFT
Richard HERCHL
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PROCESS FOR CONTINUOUSLY PREPARING A BROKEN-UP CELLULOSE-CONTAINING...
Publication number
20220243395
Publication date
Aug 4, 2022
LENZING AKTIENGESELLSCHAFT
Richard HERCHL
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Oxygen Treatment of High Kappa Fibers
Publication number
20220213648
Publication date
Jul 7, 2022
GPCP IP Holdings LLC
Kevin M. Holtman
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Method and Apparatus for Treating Lignocellulosic Material
Publication number
20220195667
Publication date
Jun 23, 2022
Sustainable Fiber Technologies, LLC
Tyler Campbell
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR PRODUCING PARENCHYMAL CELL CELLULOSE
Publication number
20220162799
Publication date
May 26, 2022
BETULIUM OY
Antti LAUKKANEN
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR PRODUCING CELLULOSE PULP, CELLULOSE PULP AND USE THEREOF...
Publication number
20220127789
Publication date
Apr 28, 2022
Suzano S.A.
Otávio MAMBRIM FILHO
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PREPARATION OF CELLULOSE FIBERS
Publication number
20220081833
Publication date
Mar 17, 2022
JENA TRADING APS
Per VINTHER
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
SULFITE-BASED PROCESSES FOR PRODUCING NANOCELLULOSE, AND COMPOSITIO...
Publication number
20220034038
Publication date
Feb 3, 2022
GranBio Intellectual Property Holdings, LLC
Kimberly NELSON
C13 - SUGAR INDUSTRY
Information
Patent Application
ARRANGEMENT AND METHOD FOR DEGASSING A PUMP
Publication number
20220025578
Publication date
Jan 27, 2022
ANDRITZ OY
Ronny GEIGER
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
ABSORPTION AND FILTRATION MEDIA
Publication number
20210395465
Publication date
Dec 23, 2021
Robert James McClelland Kelly
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
NOVEL DISSOLVING WOOD PULPS AND METHODS OF MAKING AND USING THE SAME
Publication number
20210355635
Publication date
Nov 18, 2021
GP CELLULOSE GMBH
Arthur James NONNI
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
CONTINUOUS PROCESS FOR PRODUCTION OF CELLULOSE PULP FROM GRASS-LIKE...
Publication number
20210355636
Publication date
Nov 18, 2021
Marinko Mikulic
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE