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D21C3/022
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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
D21C3/00
Pulping cellulose-containing materials
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D21C3/022
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Patents Grants
last 30 patents
Information
Patent Grant
Method of forming glass-like sheets using date palm seeds
Patent number
12,098,506
Issue date
Sep 24, 2024
KING FAISAL UNIVERSITY
Chawki Awada
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Lignocellulosic composites prepared with aqueous alkaline and urea...
Patent number
12,060,679
Issue date
Aug 13, 2024
Bradley University
Brent Tisserat
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for producing refined cotton with high polymerization degree
Patent number
11,932,989
Issue date
Mar 19, 2024
HUBEI JINHANJIANG REFINED COTTON CO., LTD.
Hangxu Zhou
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
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
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
Strong and tough structural wood materials, and methods for fabrica...
Patent number
11,554,514
Issue date
Jan 17, 2023
University of Maryland, College Park
Liangbing Hu
B32 - LAYERED PRODUCTS
Information
Patent Grant
Method of producing chemical pulp
Patent number
11,473,241
Issue date
Oct 18, 2022
Andritz Oy
Janne Vehmaa
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Strong and tough structural wood materials, and methods for fabrica...
Patent number
11,130,256
Issue date
Sep 28, 2021
University of Maryland, College Park
Liangbing Hu
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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
Information
Patent Grant
Method for manufacturing dissolving pulp
Patent number
11,066,784
Issue date
Jul 20, 2021
SÖDRA SKOGSÄGARNA EKONOMISK FÖRENING
Jim Parkås
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Lignocellulosic composites prepared with aqueous alkaline and urea...
Patent number
10,995,452
Issue date
May 4, 2021
Bradley University
Brent H. Tisserat
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for producing cellulose with low impurities from sugarcane...
Patent number
10,954,630
Issue date
Mar 23, 2021
GODAVARI BIOREFINERIES LTD.
Sangeeta Srivastava
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Method for reducing pulp viscosity in production of dissolving pulp
Patent number
10,513,824
Issue date
Dec 24, 2019
Kemira Oyj
Leif Robertson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Cost efficient kraft cooking method using polysulfide cooking liquor
Patent number
10,151,063
Issue date
Dec 11, 2018
Valmet AB
Stefan Antonsson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for producing levulinic acid from lignocellulosic biomass
Patent number
10,118,883
Issue date
Nov 6, 2018
Georgia-Pacific LLC
William A. Frey
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process and a dissolving pulp manufactured by the process
Patent number
10,023,995
Issue date
Jul 17, 2018
SÖDRA CELL AKTIEBOLAG AB
Johannes Bogren
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for recovering chemicals and by-products from high-sulphidit...
Patent number
10,011,949
Issue date
Jul 3, 2018
Andritz Oy
Paterson McKeough
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Kraft cooking method using polysulfide cooking liquor
Patent number
9,580,864
Issue date
Feb 28, 2017
Valmet AB
Mikael Lindstrom
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Cooking process of lignocellulose material
Patent number
9,145,642
Issue date
Sep 29, 2015
Nippon Paper Industries Co., Ltd.
Kazuhiro Kurosu
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Maintenance of sulfur concentration in Kraft pulp processes
Patent number
8,246,779
Issue date
Aug 21, 2012
Noram Engineering and Constructors Ltd.
Jonathan Edward Foan
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Use of polysulfide in modified cooking
Patent number
7,828,930
Issue date
Nov 9, 2010
International Paper Company
Jianer Jiang
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Cooking method for pulp
Patent number
7,056,418
Issue date
Jun 6, 2006
Kawasaki Kasei Chemicals Ltd.
Tatsuya Andoh
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for recovering chemicals in a process of producing pulp by k...
Patent number
6,585,880
Issue date
Jul 1, 2003
Nippon Paper Industries Co., Ltd.
Keigo Watanabe
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of digesting wood with an alkaline liquor by adding an acidi...
Patent number
6,464,827
Issue date
Oct 15, 2002
Praxair Technology, Inc.
Jorge Luiz Colodette
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Treatment of cellulose material with additives while producing cell...
Patent number
6,241,851
Issue date
Jun 5, 2001
Andritz-Ahlstrom Inc.
Bruno S. Marcoccia
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Pulping process
Patent number
6,153,052
Issue date
Nov 28, 2000
Pulp and Paper Research Institute of Canada
Corinne Elizabeth Luthe
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Polysulfide pulping process
Patent number
6,143,130
Issue date
Nov 7, 2000
Kvaerner Pulping AB
Lars Stigsson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Pulping composition containing aminoalkoxylsilanes and a pulping pr...
Patent number
6,123,810
Issue date
Sep 26, 2000
Henkel Corporation
Marie-Esther Saint Victor
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for making sulfur enhanced undigested cellulosic fiber mate...
Patent number
5,976,321
Issue date
Nov 2, 1999
Kvaerner Pulping AB
Bengt Nilsson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Patents Applications
last 30 patents
Information
Patent Application
A method, use of the same, a pulp composition, and a system
Publication number
20240426050
Publication date
Dec 26, 2024
METSÄ BOARD OYJ
Mikko Nikamaa
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
HEMP PAPER PACKAGING MATERIAL FOR FOODSTUFF
Publication number
20240337069
Publication date
Oct 10, 2024
Wm. Wrigley Jr. Company
Preeti TYAGI
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR PREPARING FLUFF PULP FROM BAMBOOS AND FLUFF PULP PREPARE...
Publication number
20240328083
Publication date
Oct 3, 2024
SOUTH CHINA UNIVERSITY OF TECHNOLOGY
Yichao LEI
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PROCESS TO OBTAIN FULLY OXIDIZED WHITE LIQUOR FOR USE IN THE FIBERL...
Publication number
20240301622
Publication date
Sep 12, 2024
L'air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation Des Procedes Ge...
Oliveira ARAUJO
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR DIGESTING LIGNOCELLULOSIC MATERIAL
Publication number
20240175205
Publication date
May 30, 2024
Solenis Technologies, L.P.
Scott Thomas Schnelle
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
APPARATUSES, METHODS AND SYSTEMS FOR YIELD INCREASE IN A KRAFT COOK...
Publication number
20230374730
Publication date
Nov 23, 2023
Bracell Bahia Specialty Cellulose SA
Vinicius de Oliveira Salaroli
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
STRONG AND TOUGH STRUCTURAL WOOD MATERIALS, AND METHODS FOR FABRICA...
Publication number
20230166427
Publication date
Jun 1, 2023
University of Maryland, College Park
Liangbing Hu
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Application
EXTRACTION OF DELIGNIFIED, CELLULOSE-BASED FIBERS FROM NATURAL PLAN...
Publication number
20230160141
Publication date
May 25, 2023
University of Maryland, College Park
Liangbing HU
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PROCESS FOR PRODUCING REFINED COTTON WITH HIGH POLYMERIZATION DEGREE
Publication number
20230046123
Publication date
Feb 16, 2023
HUBEI JINHANJIANG REFINED COTTON CO., LTD.
Hangxu ZHOU
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Pulping Methods, Methods for Manufacturing Paperboard, and Paperboa...
Publication number
20220074139
Publication date
Mar 10, 2022
WestRock MWV, LLC
Fritz G. PAULSEN
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
STRONG AND TOUGH STRUCTURAL WOOD MATERIALS, AND METHODS FOR FABRICA...
Publication number
20220040881
Publication date
Feb 10, 2022
University of Maryland, College Park
Liangbing Hu
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
LIGNOCELLULOSIC COMPOSITES PREPARED WITH AQUEOUS ALKALINE AND UREA...
Publication number
20210207320
Publication date
Jul 8, 2021
Brent H. TISSERAT
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR TREATING DISSOLVING PULP
Publication number
20210207321
Publication date
Jul 8, 2021
NOVOZYMES A/S
Pedro Emanuel Garcia Loureiro
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
DEGUMMING AND SCOURING OF BAST MATERIAL FOR PRODUCTION OF TEXTILE A...
Publication number
20210148009
Publication date
May 20, 2021
Renaissance Fiber LLC
Michael S. Long
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD OF PROVIDING A PAPER FIBRE COMPOSITION
Publication number
20200318287
Publication date
Oct 8, 2020
HOLMEN AB
Jan Christer SANDBERG
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
STRONG AND TOUGH STRUCTURAL WOOD MATERIALS, AND METHODS FOR FABRICA...
Publication number
20200223091
Publication date
Jul 16, 2020
University of Maryland, College Park
Liangbing Hu
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD OF PRODUCING CHEMICAL PULP
Publication number
20200181838
Publication date
Jun 11, 2020
ANDRITZ OY
Janne VEHMAA
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR PRODUCING ACETATE GRADE DISSOLVING PULP FROM POPLAR RESI...
Publication number
20200173103
Publication date
Jun 4, 2020
QILU UNIVERSITY OF TECHNOLOGY
Chaojun WU
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR MANUFACTURING DISSOLVING PULP
Publication number
20190390404
Publication date
Dec 26, 2019
SÖDRA SKOGSÄGARNA EKONOMISK FÖRENING
Jim Parkås
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
A Composite Cellulose Material Obtained from Coffee Husks or Cocoa...
Publication number
20190276636
Publication date
Sep 12, 2019
Industria Colombiana de Cafe S.A.S.
Juan Carlos Posada Correa
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
NOVEL DISSOLVING WOOD PULPS AND METHODS OF MAKING AND USING THE SAME
Publication number
20190264388
Publication date
Aug 29, 2019
GP Cellulose GMbH
Arthur J. Nonni
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Method for improved pulping using an environmentally friendly pulpi...
Publication number
20190226142
Publication date
Jul 25, 2019
Jim Constantacos
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
LIGNOCELLULOSIC COMPOSITES PREPARED WITH AQUEOUS ALKALINE AND UREA...
Publication number
20190119851
Publication date
Apr 25, 2019
Brent H. TISSERAT
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
A PROCESS FOR PRODUCING CELLULOSE WITH LOW IMPURITIES FROM SUGARCAN...
Publication number
20190010660
Publication date
Jan 10, 2019
GODAVARI BIOREFINERIES LIMITED
Sangeeta Srivastava
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Application
Method for reducing pulp viscosity in production of dissolving pulp
Publication number
20180163344
Publication date
Jun 14, 2018
KEMIRA OYJ
Leif Robertsen
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR POLYSULFIDE PRODUCTION IN A KRAFT PULP MILL
Publication number
20180112355
Publication date
Apr 26, 2018
VALMET AB
Stefan Antonsson
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
COST EFFICIENT KRAFT COOKING METHOD USING POLYSULFIDE COOKING LIQUOR
Publication number
20170275818
Publication date
Sep 28, 2017
VALMET AB
Stefan Antonsson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE