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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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Patents Grants
last 30 patents
Information
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
Predictive control system and method for brown washing treatment in...
Patent number
12,077,911
Issue date
Sep 3, 2024
Buckman Laboratories International, Inc.
Mark D. Schroen
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
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
Method for obtaining information on quality of combustion of a liqu...
Patent number
12,039,239
Issue date
Jul 16, 2024
VALMET AUTOMATION OY
Jarmo Mansikkasalo
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Modified sulfuric acid and uses thereof
Patent number
12,031,269
Issue date
Jul 9, 2024
SixRing Inc.
Clay Purdy
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
Modified sulfuric acid and uses thereof
Patent number
11,965,289
Issue date
Apr 23, 2024
SixRing Inc.
Clay Purdy
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
Black liquor viscosity reducing and anti-scale agent
Patent number
11,905,655
Issue date
Feb 20, 2024
Ecolab USA Inc.
Luiz Wanderley Bratfisch Pace
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Processes, methods, and systems for chemo-mechanical cellular explo...
Patent number
11,885,069
Issue date
Jan 30, 2024
IFG Technologies, LLC
Timothy Wagler
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
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
Processes, methods, and systems for chemo-mechanical cellular explo...
Patent number
11,549,214
Issue date
Jan 10, 2023
IFG Technologies, LLC
Timothy Wagler
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Grant
Process for obtaining cellulose
Patent number
11,512,426
Issue date
Nov 29, 2022
Rainer Fülling
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
Process and system for producing pulp, energy, and bioderivatives f...
Patent number
11,305,254
Issue date
Apr 19, 2022
Circ, LLC
Sandeep Kumar
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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
Method and a system for production of high molecular weight lignin
Patent number
11,186,948
Issue date
Nov 30, 2021
FIBRATECH PTE. LTD
Matti Kurki
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Isolation method for water insoluble components of a biomass
Patent number
11,174,355
Issue date
Nov 16, 2021
Green Extraction Technologies
Melvin Mitchell
H01 - BASIC ELECTRIC ELEMENTS
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
Methods and systems for processing mixed textile feedstock, isolati...
Patent number
11,034,817
Issue date
Jun 15, 2021
EVRNU, SPC
Stacy Flynn
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
System and method of preparing pre-treated biorefinery feedstock fr...
Patent number
11,001,776
Issue date
May 11, 2021
Richard B. Hoffman
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
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
Oxidative method
Patent number
10,882,745
Issue date
Jan 5, 2021
Catexel Technologies Limited
Ronald Hage
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Patents Applications
last 30 patents
Information
Patent Application
A METHOD FOR CHEMICAL PULP PRODUCTION IN A MULTI-STAGE PROCESS
Publication number
20240410109
Publication date
Dec 12, 2024
Andritz AB
Ola LARSSON
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
MODIFIED SULFURIC ACID AND USES THEREOF
Publication number
20240318381
Publication date
Sep 26, 2024
SixRing Inc.
Clay PURDY
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
SCALE INHIBITION FOR PULP DIGESTERS
Publication number
20240247439
Publication date
Jul 25, 2024
ECOLAB USA INC.
John Matthew CHUDOMEL
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Process and System for Producing Pulp, Energy, and Bioderivatives f...
Publication number
20240226841
Publication date
Jul 11, 2024
Circ, LLC
Sandeep Kumar
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
MODIFIED SULFURIC ACID AND USES THEREOF
Publication number
20240229354
Publication date
Jul 11, 2024
Clay PURDY
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
BLACK LIQUOR VISCOSITY REDUCING AND ANTI-SCALE AGENT
Publication number
20240150961
Publication date
May 9, 2024
ECOLAB USA INC.
Luiz Wanderley Bratfisch Pace
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PROCESSES, METHODS, AND SYSTEMS FOR CHEMO-MECHANICAL CELLULAR EXPLO...
Publication number
20240141587
Publication date
May 2, 2024
Timothy Wagler
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Process and System for Producing Pulp, Energy, and Bioderivatives f...
Publication number
20240131489
Publication date
Apr 25, 2024
Circ, LLC
Sandeep Kumar
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
A HIGH YIELD COOKING METHOD
Publication number
20230265611
Publication date
Aug 24, 2023
AMPPC Finland Oy
Matti KURKI
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
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 and System for Producing Recycled Fibers for MDF or HDF Prod...
Publication number
20230118469
Publication date
Apr 20, 2023
VALMET TECHNOLOGIES OY
Robert Mohr
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PROCESSES, METHODS, AND SYSTEMS FOR CHEMO-MECHANICAL CELLULAR EXPLO...
Publication number
20230099096
Publication date
Mar 30, 2023
Timothy Wagler
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Application
ADJUSTING A HIGH PRESSURE FEEDER BASED ON FLUID LEAKAGE
Publication number
20230081586
Publication date
Mar 16, 2023
Andritz Inc.
Keith Vogel
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
PACKING CONTAINER USING COCONUT BY-PRODUCT, GRAIN BY-PRODUCT OR COF...
Publication number
20220403603
Publication date
Dec 22, 2022
MARINE INNOVATION, INC.
Wan-Young CHA
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
ISOLATION METHOD FOR WATER INSOLUBLE LIGNIN COMPONENTS OF A BIOMASS
Publication number
20220025130
Publication date
Jan 27, 2022
Green Extraction Technologies
Melvin Mitchell
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
METHODS AND SYSTEMS FOR PROCESSING MIXED TEXTILE FEEDSTOCK, ISOLATI...
Publication number
20210340350
Publication date
Nov 4, 2021
EVRNU, SPC
Stacy Flynn
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
METHOD FOR OBTAINING INFORMATION ON QUALITY OF COMBUSTION OF A LIQU...
Publication number
20210279390
Publication date
Sep 9, 2021
VALMET AUTOMATION OY
Jarmo MANSIKKASALO
G06 - COMPUTING CALCULATING COUNTING
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
PREDICTIVE CONTROL SYSTEM AND METHOD FOR BROWN WASHING TREATMENT IN...
Publication number
20210148047
Publication date
May 20, 2021
Buckman Laboratories International, Inc.
Mark D. Schroen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE