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D21C9/004
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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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D21C9/004
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Patents Grants
last 30 patents
Information
Patent Grant
Crosslinked pulps, cellulose ether products made therefrom; and rel...
Patent number
12,077,912
Issue date
Sep 3, 2024
International Paper Company
Mengkui Luo
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Reduction of leachable beta-glucan levels from cellulose-containing...
Patent number
12,053,729
Issue date
Aug 6, 2024
EMD Millipore Corporation
Akshat Gupta
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Efficient methods and compositions for recovery of products from or...
Patent number
11,851,815
Issue date
Dec 26, 2023
Pierson Capital Environmental (Beijing) Limited
Feng Ling
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information
Patent Grant
Methods for processing lignocellulosic material
Patent number
11,788,228
Issue date
Oct 17, 2023
CMBlu Energy AG
Peter Geigle
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Reduction of leachable beta-glucan levels from cellulose-containing...
Patent number
11,712,647
Issue date
Aug 1, 2023
EMD Millipore Corporation
Akshat Gupta
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for manufacturing a composition comprising microfibrillated...
Patent number
11,643,776
Issue date
May 9, 2023
Stora Enso Oyj
Philip Håkansson
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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
Method to convert mechanical pulp derived waste material into value...
Patent number
11,486,094
Issue date
Nov 1, 2022
Aalto University Foundation sr
Herbert Sixta
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for producing cellulose ether
Patent number
11,365,266
Issue date
Jun 21, 2022
Shin-Etsu Chemical Co., Ltd.
Shintaro Matsusue
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Crosslinked pulps, cellulose ether products made therefrom; and rel...
Patent number
11,352,748
Issue date
Jun 7, 2022
International Paper Company
Mengkui Luo
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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 manufacturing inorganic particle composite fiber sheet
Patent number
11,268,241
Issue date
Mar 8, 2022
Nippon Paper Industries Co., Ltd.
Ayaka Hasegawa
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Microfibrillated cellulose with enhanced properties and methods of...
Patent number
11,242,651
Issue date
Feb 8, 2022
FiberLean Technologies Limited
Mark Windebank
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Fine cellulose fiber-containing substance, method for manufacturing...
Patent number
11,220,787
Issue date
Jan 11, 2022
Daio Paper Corporation
Ikko Matsusue
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for preparing nanocellulose
Patent number
11,193,239
Issue date
Dec 7, 2021
LG Electronics Inc.
Misun Lee
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
Method for producing hydroxypropyl methyl cellulose
Patent number
11,136,415
Issue date
Oct 5, 2021
Shin-Etsu Chemical Co., Ltd.
Akira Kitamura
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Reduction of leachable beta-glucan levels from cellulose-containing...
Patent number
11,014,031
Issue date
May 25, 2021
EMD Millipore Corporation
Akshat Gupta
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Cellulose composite materials and methods of making and using the same
Patent number
10,995,155
Issue date
May 4, 2021
GP Cellulose GmbH
Arthur J. Nonni
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the production of nano-fibrillar cellulose gels
Patent number
10,975,242
Issue date
Apr 13, 2021
FiberLean Technologies Limited
Patrick A. C. Gane
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Methods for the production of high alpha-cellulose pulp
Patent number
10,927,497
Issue date
Feb 23, 2021
INVENTURE RENEWABLES INC.
William W. Berry
C13 - SUGAR INDUSTRY
Information
Patent Grant
Ligno cellulosic materials and the products made therefrom
Patent number
10,907,304
Issue date
Feb 2, 2021
International Paper Company
Zheng Tan
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Method of treating cellulose pulp
Patent number
10,858,781
Issue date
Dec 8, 2020
SÖDRA SKOGSÄGARNA EKONOMISK FÖRENING
Caroline Löfgren
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Low viscosity kraft fiber having an enhanced carboxyl content and m...
Patent number
10,753,043
Issue date
Aug 25, 2020
GP Cellulose GmbH
Arthur J. Nonni
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for producing hydroxyalkyl alkyl cellulose
Patent number
10,723,807
Issue date
Jul 28, 2020
Shin-Etsu Chemical Co., Ltd.
Akira Kitamura
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for making partly-hydrolyzed cellulose using compressed cel...
Patent number
10,697,122
Issue date
Jun 30, 2020
Noram Engineering and Constructors Ltd.
James M. Lockhart
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Supercritical CO2 cellulose spraydrying
Patent number
10,669,384
Issue date
Jun 2, 2020
SAPPI Netherlands Services B.V.
Reyes Menendez Gonzalez
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Process for producing a pulp
Patent number
10,648,129
Issue date
May 12, 2020
Lenzing Aktiengesellschaft
Herbert Sixta
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of making bleached microcrystalline cellulose
Patent number
10,597,820
Issue date
Mar 24, 2020
DuPont Nutrition USA, Inc.
Zheng Tan
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Energy efficient process for preparing nanocellulose fibers
Patent number
10,563,352
Issue date
Feb 18, 2020
University of Maine System Board of Trustees
Michael A. Bilodeau
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR REDUCING AMOUNT OF BACTERIAL ENDOSPORES IN AN AQUEOUS FI...
Publication number
20240018726
Publication date
Jan 18, 2024
KEMIRA OYJ
Marko KOLARI
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
REDUCTION OF LEACHABLE BETA-GLUCAN LEVELS FROM CELLULOSE-CONTAINING...
Publication number
20230321574
Publication date
Oct 12, 2023
EMD Millipore Corporation
Akshat Gupta
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
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
METHOD FOR PRODUCING CELLULOSE CARBAMATE
Publication number
20230022830
Publication date
Jan 26, 2023
ANDRITZ OY
Hannu RÅMARK
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
MOLDABLE CELLULOSE FIBER BASED MATERIAL
Publication number
20220316135
Publication date
Oct 6, 2022
STORA ENSO OYJ
Harri Setälä
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
CROSSLINKED PULPS, CELLULOSE ETHER PRODUCTS MADE THEREFROM; AND REL...
Publication number
20220298726
Publication date
Sep 22, 2022
International Paper Company
Mengkui Luo
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PRODUCTION OF SHEETS COMPRISING FIBRILLATED CELLULOSE
Publication number
20220251784
Publication date
Aug 11, 2022
BILLERUDKORSNÄS AB
Yunus Can Gorur
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
A method of treating a cellulosic material, a method of preparing a...
Publication number
20220220225
Publication date
Jul 14, 2022
AALTO UNIVERSITY FOUNDATION SR
Timo Pääkkönen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PROCESS FOR THE PRODUCTION OF NANO-FIBRILLAR CELLULOSE GELS
Publication number
20210261781
Publication date
Aug 26, 2021
FiberLean Technologies Limited
Patrick A.C. Gane
B82 - NANO-TECHNOLOGY
Information
Patent Application
LIGNO CELLULOSIC MATERIALS AND THE PRODUCTS MADE THEREFROM
Publication number
20210262165
Publication date
Aug 26, 2021
International Paper Company
Zheng Tan
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
REDUCTION OF LEACHABLE BETA-GLUCAN LEVELS FROM CELLULOSE-CONTAINING...
Publication number
20210236973
Publication date
Aug 5, 2021
EMD Millipore Corporation
Akshat Gupta
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FINE CELLULOSE FIBER-CONTAINING SUBSTANCE, METHOD FOR MANUFACTURING...
Publication number
20210156090
Publication date
May 27, 2021
DAIO PAPER CORPORATION
Ikko Matsusue
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR MANUFACTURING A COMPOSITION COMPRISING MICROFIBRILLATED...
Publication number
20210062418
Publication date
Mar 4, 2021
STORA ENSO OYJ
Philip Håkansson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD OF PRODUCING DISSOLVING PULP
Publication number
20210040688
Publication date
Feb 11, 2021
ANDRITZ OY
Auvo KETTUNEN
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
HIGH ALPHA AND HIGH INTRINSIC VISCOSITY PULP PRODUCTION APPARATUSES...
Publication number
20200392255
Publication date
Dec 17, 2020
Bracell Bahia Specialty Cellulose SA
André de Azambuja Turqueti
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
ODOR CONTROL PULP COMPOSITION
Publication number
20200385928
Publication date
Dec 10, 2020
International Paper Company
PETER M. FROASS
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
FILMS OF MICROFIBRILLATED CELLULOSE
Publication number
20200340183
Publication date
Oct 29, 2020
STORA ENSO OYJ
Gisela Cunha
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
MICROFIBRILLATED CELLULOSE WITH ENHANCED PROPERTIES AND METHODS OF...
Publication number
20200263358
Publication date
Aug 20, 2020
FiberLean Technologies Limited
Mark WINDEBANK
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
TREATED FIBERS AND FIBROUS STRUCTURES COMPRISING THE SAME
Publication number
20200048838
Publication date
Feb 13, 2020
Kimberly-Clark Worldwide, Inc.
Jian Qin
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Crosslinked Pulps, Cellulose Ether Products Made Therefrom; and Rel...
Publication number
20200040525
Publication date
Feb 6, 2020
International Paper Company
Mengkui Luo
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Novel Methods For Processing Lignocellulosic Material
Publication number
20190390405
Publication date
Dec 26, 2019
CMBLU PROJEKT AG
Peter GEIGLE
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Method to convert mechanical pulp derived waste material into value...
Publication number
20190376236
Publication date
Dec 12, 2019
AALTO UNIVERSITY FOUNDATION SR
Herbert Sixta
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
TREATED FIBERS AND FIBROUS STRUCTURES COMPRISING THE SAME
Publication number
20190376235
Publication date
Dec 12, 2019
Kimberly-Clark Worldwide, Inc.
Jian Qin
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Methods of Producing Cellulose Nanocrystals
Publication number
20190367704
Publication date
Dec 5, 2019
UChicago Argonne, LLC
Erik Dahl
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR PREPARING NANOCELLULOSE
Publication number
20190309477
Publication date
Oct 10, 2019
LG ELECTRONICS INC.
Misun LEE
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PROCESS FOR THE PRODUCTION OF NANO-FIBRILLAR CELLULOSE GELS
Publication number
20190276672
Publication date
Sep 12, 2019
FiberLean Technologies Limited
Patrick A.C. Gane
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Application
REDUCTION OF LEACHABLE BETA-GLUCAN LEVELS FROM CELLULOSE-CONTAINING...
Publication number
20190224600
Publication date
Jul 25, 2019
EMD Millipore Corporation
Akshat Gupta
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD OF PRODUCING A CARBOXYALKYLATED NFC PRODUCT, A CARBOXYALKYLA...
Publication number
20190169797
Publication date
Jun 6, 2019
RISE INNVENTIA AB
Ali NADERI
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Low Viscosity Kraft Fiber Having an Enhanced Carboxyl Content and M...
Publication number
20190136450
Publication date
May 9, 2019
Arthur J. NONNI
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE