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Use of compounds accelerating the pulping processes
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D21C3/222
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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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D21C3/222
Use of compounds accelerating the pulping processes
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Patents Grants
last 30 patents
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Patent Grant
Lignocellulosic biomass treatment method
Patent number
12,152,110
Issue date
Nov 26, 2024
IFP Energies Nouvelles
Caroline Aymard
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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
Juncao pulp for spinning and preparation method and use thereof
Patent number
12,071,725
Issue date
Aug 27, 2024
XINXIANG CHEMICAL FIBRE CO., LTD.
Yueting Xie
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Dual surfactant digester additive composition and a method for enha...
Patent number
11,970,816
Issue date
Apr 30, 2024
Chemstone, Inc.
Michael M. Blackstone
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
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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
Method of increasing the throughput and/or decreasing energy usage...
Patent number
11,624,153
Issue date
Apr 11, 2023
BASF SE
John Andrew Randolph
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 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
Phenols as additives in kraft pulping
Patent number
11,390,990
Issue date
Jul 19, 2022
Auburn University
Zhihua Jiang
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
Dual surfactant digester additive composition and a method for enha...
Patent number
11,091,875
Issue date
Aug 17, 2021
Chemstone, Inc.
Michael M. Blackstone
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Methods of making paper and paper with modified cellulose pulps
Patent number
11,047,092
Issue date
Jun 29, 2021
Suzano S.A.
Romolo Ranocchia
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Ionic polymers and use thereof in processing of biomass
Patent number
10,894,851
Issue date
Jan 19, 2021
Ecole Polytechnique Federale de Lausanne (EPFL)
Paul Dyson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Co-solvent to produce reactive intermediates from biomass
Patent number
10,774,394
Issue date
Sep 15, 2020
The Regents of the University of California
Charles M. Cai
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Methods of making paper and paper with modified cellulose pulps
Patent number
10,590,608
Issue date
Mar 17, 2020
Suzano S.A.
Romolo Ranocchia
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
Refiner plate segment with pre-dam
Patent number
10,378,149
Issue date
Aug 13, 2019
Valmet AB
Thommy Lindblom
B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information
Patent Grant
Treatment of lignocellulosic biomass with aromatic chemicals as sca...
Patent number
10,370,501
Issue date
Aug 6, 2019
ETH Zurich
Philipp Rudolf von Rohr
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
High yield and enhanced performance fiber
Patent number
10,000,889
Issue date
Jun 19, 2018
WestRock MWV, LLC
Peter W. Hart
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
Methods of making paper and paper with modified cellulose pulps
Patent number
9,828,728
Issue date
Nov 28, 2017
Fibria Celulose S/A
Romolo Ranocchia
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of digesting lignocellulosic material
Patent number
9,803,317
Issue date
Oct 31, 2017
BASF SE
David Durocher
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Methods and systems for processing cellulosic biomass
Patent number
9,790,436
Issue date
Oct 17, 2017
Shell Oil Company
Joseph Broun Powell
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Methods and systems for processing cellulosic biomass
Patent number
9,790,432
Issue date
Oct 17, 2017
Shell Oil Company
Joseph Broun Powell
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Catalytic biomass conversion methods, catalysts, and methods of mak...
Patent number
9,783,474
Issue date
Oct 10, 2017
Purdue Research Foundation
William Nicholas Delgass
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Methods and systems for processing cellulosic biomass
Patent number
9,783,740
Issue date
Oct 10, 2017
Shell Oil Company
Joseph Broun Powell
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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
Use of carbonium ion scavengers in the treatment of lignocellulosic...
Patent number
9,611,494
Issue date
Apr 4, 2017
ETH Zurich
Thomas Pielhop
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Methods and systems for distributing a slurry catalyst in cellulosi...
Patent number
9,593,242
Issue date
Mar 14, 2017
Shell Oil Company
Joseph Broun Powell
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Patents Applications
last 30 patents
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
LIGNOCELLULOSE REFINERY
Publication number
20240116835
Publication date
Apr 11, 2024
Katholieke Universiteit Leuven
Bert SELS
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PULP FOR JUNCAO SPINNING AND PREPARATION METHOD AND USE THEREOF
Publication number
20240084507
Publication date
Mar 14, 2024
XINXIANG CHEMICAL FIBRE CO., LTD.
Yijie XIE
D10 - INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEX...
Information
Patent Application
Optimization Of Chemical Consumption in Biomass Delignification
Publication number
20240052566
Publication date
Feb 15, 2024
SixRing Inc.
Tenzin LEKSMON
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
NON-WOOD PULP HAVING HIGH BRIGHTNESS AND LOW DEBRIS
Publication number
20240018723
Publication date
Jan 18, 2024
Kimberly-Clark Worldwide, Inc.
Zhiying Yu
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PROCESS AND APPARATUS FOR WHITE LIQUOR OXIDATION
Publication number
20230313456
Publication date
Oct 5, 2023
Messer Austria GmbH
Bernhard Thaller
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR CO-PRODUCING MOLDED FOOD-CONTAINER PULP AND FULVIC ACID...
Publication number
20230220623
Publication date
Jul 13, 2023
Bo BAI
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PROCESS FOR INCREASING DIGESTION EFFICIENCY OF LIGNOCELLULOSIC MATE...
Publication number
20230160140
Publication date
May 25, 2023
Solenis Technologies, L.P.
Scott Thomas Schnelle
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
COOKING ACCELERATOR FOR LIGNOCELLULOSE MATERIALS AND METHOD FOR PRO...
Publication number
20230061654
Publication date
Mar 2, 2023
NICCA CHEMICAL CO., LTD.
Takashi TANAKA
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
Dual Surfactant Digester Additive Composition and a Method for Enha...
Publication number
20210372048
Publication date
Dec 2, 2021
CHEMSTONE, INC.
Michael M. Blackstone
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
CO-SOLVENT TO PRODUCE REACTIVE INTERMEDIATES FROM BIOMASS
Publication number
20200399722
Publication date
Dec 24, 2020
The Regents of the University of California.
Charles M. Cai
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Application
METHODS OF MAKING PAPER AND PAPER WITH MODIFIED CELLULOSE PULPS
Publication number
20200173112
Publication date
Jun 4, 2020
Suzano S.A.
Romolo Ranocchia
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD OF INCREASING THE THROUGHPUT AND/OR DECREASING ENERGY USAGE...
Publication number
20200123707
Publication date
Apr 23, 2020
John Andrew Randolph
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
DEFIBRATOR WITH SEPARATED BLOW VALVE
Publication number
20190309471
Publication date
Oct 10, 2019
VALMET AB
Per WALLIN
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PHENOLS AS ADDITIVES IN KRAFT PULPING
Publication number
20190112757
Publication date
Apr 18, 2019
Auburn University
Zhihua Jiang
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
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
NOVEL SUPPORTED ANTHRAQUINONIC CATALYSTS AND USES OF SAME FOR KRAFT...
Publication number
20170136449
Publication date
May 18, 2017
UNIVERSITE DE BORDEAUX
Valentina-Mihaela ROUSSEAU-POPA
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
CATALYTIC BIOMASS CONVERSION
Publication number
20170016179
Publication date
Jan 19, 2017
NANO-GREEN BIOREFINERIES INC.
Andrew A. OLKOWSKI
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Papermaking Additive Compositions and Methods and Uses Thereof
Publication number
20160362834
Publication date
Dec 15, 2016
Neozyme International, Inc.
Parker Dale
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PROCESS FOR PREPARING NON-PYROLYTIC BIO-OIL FROM LIGNOCELLULOSIC MA...
Publication number
20160326204
Publication date
Nov 10, 2016
Studiengesellschaft Kohle mbH
Roberto RINALDI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Use of Carbonium Ion Scavengers in the Treatment of Lignocellulosic...
Publication number
20140312270
Publication date
Oct 23, 2014
Thomas Pielhop
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Application
METHODS FOR DIGESTION OF CELLULOSIC BIOMASS SOLIDS IN THE PRESENCE...
Publication number
20140275515
Publication date
Sep 18, 2014
Shell Oil Company
Joseph Broun POWELL
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHODS FOR DIGESTION OF CELLULOSIC BIOMASS SOLIDS IN THE PRESENCE...
Publication number
20140275513
Publication date
Sep 18, 2014
Shell Oil Company
Joseph Broun POWELL
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
ARTICLES OF MANUFACTURE MADE FROM PULP COMPOSITION
Publication number
20140205777
Publication date
Jul 24, 2014
Cargill, Incorporated
Brent A. Hawkins
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
CATALYTIC BIOMASS CONVERSION
Publication number
20140200335
Publication date
Jul 17, 2014
NANO-GREEN BIOREFINERIES INC.
Andrew A. Olkowski
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PULP COMPOSITION
Publication number
20140182801
Publication date
Jul 3, 2014
Cargill, Incorporated
Brent A. Hawkins
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PROCESSES AND APPARATUS FOR PRODUCING FERMENTABLE SUGARS, CELLULOSE...
Publication number
20140186901
Publication date
Jul 3, 2014
API Intellectual Property Holdings, LLC
Theodora RETSINA
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
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