with inorganic bases or alkaline reacting compounds

Industry

CPC
D21C3/02

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DTEXTILES PAPER D21Papermaking D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS REGENERATION OF PULPING LIQUORS APPARATUS THEREFOR D21C3/00Pulping cellulose-containing materials

Current Industry

D21C3/02with inorganic bases or alkaline reacting compounds

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Process for increasing digestion efficiency of lignocellulosic mate...
- Patent number 12,351,981
- Issue date Jul 8, 2025
- Solenis Technologies, L.P.
- Scott Thomas Schnelle
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
System and method for refining agricultural fibers to a pulp specif...
- Patent number 12,338,578
- Issue date Jun 24, 2025
- Kanbol, Inc.
- Miles Leach
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for manufacturing bleached pulp from a feedstock comprising...
- Patent number 12,331,462
- Issue date Jun 17, 2025
- WestRock MWV, LLC
- Peter W. Hart
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for producing cellulose pulp, cellulose pulp and use thereof...
- Patent number 12,305,332
- Issue date May 20, 2025
- Suzano S.A.
- Otávio Mambrim Filho
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Fluff pulp
- Patent number 12,297,600
- Issue date May 13, 2025
- Stora Enso Oyj
- Helena Tufvesson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Strong and tough structural wood materials, and methods for fabrica...
- Patent number 12,285,882
- Issue date Apr 29, 2025
- University of Maryland, College Park
- Liangbing Hu
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
Method for preparing fluff pulp from bamboos and fluff pulp prepare...
- Patent number 12,286,750
- Issue date Apr 29, 2025
- South China University of Technology
- Yichao Lei
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Cellulose based biodegradable absorptive filter and method of making
- Patent number 12,274,964
- Issue date Apr 15, 2025
- IMAM MOHAMMAD IBN SAUD ISLAMIC UNIVERSITY
- Tarek Ahmed Yousef
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Apparatuses, methods and systems for yield increase in a kraft cook...
- Patent number 12,234,602
- Issue date Feb 25, 2025
- Bracell Bahia Specialty Cellulose SA
- Vinicius de Oliveira Salaroli
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
High brightness non-wood pulp
- Patent number 12,227,900
- Issue date Feb 18, 2025
- Kimberly-Clark Worldwide, Inc.
- Thomas G. Shannon
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
High temperature hydrator
- Patent number 12,221,382
- Issue date Feb 11, 2025
- Carbon Engineering ULC
- Kenton Robert Heidel
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Multi-step low temperature and low pressure process for agricultura...
- Patent number 12,195,919
- Issue date Jan 14, 2025
- KANBOL, INC.
- Miles Leach
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Purified medicinal cannabis non-hemp hurd fiber, and articles conta...
- Patent number 12,188,180
- Issue date Jan 7, 2025
- David Pauwels
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Method for making an adsorptive air filter
- Patent number 12,172,112
- Issue date Dec 24, 2024
- IMAM MOHAMMAD IBN SAUD ISLAMIC UNIVERSITY
- Tarek Ahmed Yousef
- 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
Biodegradable air filter from date palm and method of fabrication t...
- Patent number 12,102,947
- Issue date Oct 1, 2024
- IMAM MOHAMMAD IBN SAUD ISLAMIC UNIVERSITY
- Tarek Ahmed Yousef
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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
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
Process for separation of the cellulosic part from a polyester and...
- Patent number 12,049,727
- Issue date Jul 30, 2024
- Sodra Skogsagarna Ekonomisk Forening
- Harald Brelid
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for refining fiber and deriving chemical co-products from b...
- Patent number 12,024,823
- Issue date Jul 2, 2024
- Yitzac Goldstein
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
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
Integrated kraft pulp mill and thermochemical conversion system
- Patent number 11,834,783
- Issue date Dec 5, 2023
- CANFOR PULP LTD.
- William Neil Rowlands
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Multi-step process for the isolation of components from Miscanthus
- Patent number 11,814,790
- Issue date Nov 14, 2023
- EXEGI IP MANAGEMENT B.V.
- Marcel Van De Peppel
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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
Methods of making specialized lignin and lignin products from biomass
- Patent number 11,692,000
- Issue date Jul 4, 2023
- Apalta Patents OÜ
- Scott Tudman
- 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

Patents Applicationslast 30 patents

Information Patent Application
BIOMASS DELIGNIFICATION
- Publication number 20250207325
- Publication date Jun 26, 2025
- SixRing Inc.
- Alejandra ENRIQUEZ
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
DESILICATION AND MANUFACTURE OF LOW CARBON INTENSITY CHEMI-MECHANIC...
- Publication number 20250207328
- Publication date Jun 26, 2025
- RED LEAF SUSTAINABLE IP CORP.
- Douglas MCKENZIE
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
STRONG AND TOUGH STRUCTURAL WOOD MATERIALS, AND METHODS FOR FABRICA...
- Publication number 20250162189
- Publication date May 22, 2025
- University of Maryland, College Park
- Liangbing HU
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
APPARATUSES, METHODS AND SYSTEMS FOR YIELD INCREASE IN A KRAFT COOK...
- Publication number 20250163643
- Publication date May 22, 2025
- Bracell Bahia Specialty Cellulose SA
- Vinicius de Oliveira Salaroli
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
HIGH BRIGHTNESS NON-WOOD PULP
- Publication number 20250146219
- Publication date May 8, 2025
- Kimberly-Clark Worldwide, Inc.
- Thomas G. Shannon
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PURIFIED MEDICINAL CANNABIS NON-HEMP HURD FIBER, AND ARTICLES CONTA...
- Publication number 20250137199
- Publication date May 1, 2025
- David Pauwels
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
LOW TEMPERATURE AND LOW PRESSURE PROCESS FOR AGRICULTURAL FEEDSTOCK...
- Publication number 20250101683
- Publication date Mar 27, 2025
- Kanbol, Inc.
- Miles Leach
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
NON-WOOD PULP HAVING HIGH BRIGHTNESS AND LOW DEBRIS
- Publication number 20250012010
- Publication date Jan 9, 2025
- Kimberly-Clark Worldwide, Inc.
- Zhiying Yu
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
METHODS OF INCREASING FORMABILITY OF A PALM SHEATH MATERIAL, METHOD...
- Publication number 20240344270
- Publication date Oct 17, 2024
- Purdue Research Foundation
- Srinivasan Chandrasekar
- 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
A METHOD FOR PRODUCING A CHEMI-THERMOMECHANICAL FIBROUS PULP FROM N...
- Publication number 20240309586
- Publication date Sep 19, 2024
- RELEAF PAPER FRANCE SAS
- Valentyn FRECHKA
- 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
PROCESS OF USING NON-WOOD FIBERS TO CREATE PAPER PULP
- Publication number 20240263393
- Publication date Aug 8, 2024
- GAIA IP Holdings LLC
- Mark Majors
- 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
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
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
METHOD FOR PRODUCING ALKALI METAL/ALKALINE EARTH METAL HYDROXIDE AN...
- Publication number 20240124986
- Publication date Apr 18, 2024
- TOHOKU UNIVERSITY
- Kousuke HIROMORI
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
PROCESS FOR PRODUCING AND USING FIBRILLATED BIODEGRADABLE MICROFIBERS
- Publication number 20240102238
- Publication date Mar 28, 2024
- nicholas morris
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
INTEGRATED KRAFT PULP MILL AND THERMOCHEMICAL CONVERSION SYSTEM
- Publication number 20240102241
- Publication date Mar 28, 2024
- CANFOR PULP LTD
- William Neil Rowlands
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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
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
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
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 TREATING TERRESTRIAL-BASED AND MARINE-BASED BIOMASSES
- Publication number 20230357988
- Publication date Nov 9, 2023
- GREENKEY LLC
- Melvin Mitchell
- 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
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 COOKING METHOD
- Publication number 20230265612
- Publication date Aug 24, 2023
- AMPPC Finland Oy
- Matti KURKI
- 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

with inorganic bases or alkaline reacting compounds

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Process for increasing digestion efficiency of lignocellulosic mate...

System and method for refining agricultural fibers to a pulp specif...

Method for manufacturing bleached pulp from a feedstock comprising...

Method for producing cellulose pulp, cellulose pulp and use thereof...

Fluff pulp

Strong and tough structural wood materials, and methods for fabrica...

Method for preparing fluff pulp from bamboos and fluff pulp prepare...

Cellulose based biodegradable absorptive filter and method of making

Apparatuses, methods and systems for yield increase in a kraft cook...

High brightness non-wood pulp

High temperature hydrator

Multi-step low temperature and low pressure process for agricultura...

Purified medicinal cannabis non-hemp hurd fiber, and articles conta...

Method for making an adsorptive air filter

Non-wood pulp having high brightness and low debris

Biodegradable air filter from date palm and method of fabrication t...

Method of forming glass-like sheets using date palm seeds

Juncao pulp for spinning and preparation method and use thereof

Lignocellulosic composites prepared with aqueous alkaline and urea...

Process for separation of the cellulosic part from a polyester and...

Process for refining fiber and deriving chemical co-products from b...

Continuous process for production of cellulose pulp from grass-like...

Process for producing refined cotton with high polymerization degree

Integrated kraft pulp mill and thermochemical conversion system

Multi-step process for the isolation of components from Miscanthus

Methods for processing lignocellulosic material

Methods of making specialized lignin and lignin products from biomass

Dissolving wood pulps and methods of making and using the same

Composite cellulose material obtained from coffee husks or cocoa sh...

Strong and tough structural wood materials, and methods for fabrica...

Patents Applicationslast 30 patents

BIOMASS DELIGNIFICATION

DESILICATION AND MANUFACTURE OF LOW CARBON INTENSITY CHEMI-MECHANIC...

STRONG AND TOUGH STRUCTURAL WOOD MATERIALS, AND METHODS FOR FABRICA...

APPARATUSES, METHODS AND SYSTEMS FOR YIELD INCREASE IN A KRAFT COOK...

HIGH BRIGHTNESS NON-WOOD PULP

PURIFIED MEDICINAL CANNABIS NON-HEMP HURD FIBER, AND ARTICLES CONTA...

LOW TEMPERATURE AND LOW PRESSURE PROCESS FOR AGRICULTURAL FEEDSTOCK...

NON-WOOD PULP HAVING HIGH BRIGHTNESS AND LOW DEBRIS

A method, use of the same, a pulp composition, and a system

METHODS OF INCREASING FORMABILITY OF A PALM SHEATH MATERIAL, METHOD...

HEMP PAPER PACKAGING MATERIAL FOR FOODSTUFF

METHOD FOR PREPARING FLUFF PULP FROM BAMBOOS AND FLUFF PULP PREPARE...

A METHOD FOR PRODUCING A CHEMI-THERMOMECHANICAL FIBROUS PULP FROM N...

PROCESS TO OBTAIN FULLY OXIDIZED WHITE LIQUOR FOR USE IN THE FIBERL...

PROCESS OF USING NON-WOOD FIBERS TO CREATE PAPER PULP

Process and System for Producing Pulp, Energy, and Bioderivatives f...

METHOD FOR DIGESTING LIGNOCELLULOSIC MATERIAL

Process and System for Producing Pulp, Energy, and Bioderivatives f...

METHOD FOR PRODUCING ALKALI METAL/ALKALINE EARTH METAL HYDROXIDE AN...

PROCESS FOR PRODUCING AND USING FIBRILLATED BIODEGRADABLE MICROFIBERS

INTEGRATED KRAFT PULP MILL AND THERMOCHEMICAL CONVERSION SYSTEM

PULP FOR JUNCAO SPINNING AND PREPARATION METHOD AND USE THEREOF

NON-WOOD PULP HAVING HIGH BRIGHTNESS AND LOW DEBRIS

HIGH BRIGHTNESS NON-WOOD PULP

APPARATUSES, METHODS AND SYSTEMS FOR YIELD INCREASE IN A KRAFT COOK...

PROCESS FOR TREATING TERRESTRIAL-BASED AND MARINE-BASED BIOMASSES

PROCESS FOR PRODUCTION OF CELLULOSE NANOFIBERS FROM MISCANTHUS X. G...

PROCESS AND APPARATUS FOR WHITE LIQUOR OXIDATION

A COOKING METHOD

HIGH YIELD CHEMICAL PULPING AND BLEACHING PROCESS