in the presence of chemical agents

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D21B1/16

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DTEXTILES PAPER D21Papermaking D21BFIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT D21B1/00Fibrous raw materials or their mechanical treatment

Current Industry

D21B1/16in the presence of chemical agents

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing softwood-derived pulp fibers for paper and sof...
- Patent number 11,879,210
- Issue date Jan 23, 2024
- Unicharm Corporation
- Takeshi Bandou
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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 for preparing unbleached biomechanical pulp from straw
- Patent number 11,624,154
- Issue date Apr 11, 2023
- QILU UNIVERSITY OF TECHNOLOGY
- Jiachuan Chen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for dissolving lignocellulosic biomass
- Patent number 11,492,737
- Issue date Nov 8, 2022
- United Arab Emirates University
- Emmanuel Galiwango
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Method for producing cellulose nanofiber dry solid
- Patent number 10,988,549
- Issue date Apr 27, 2021
- Nippon Paper Industries Co., Ltd.
- Takeshi Nakatani
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Process for the production of nano-fibrillar cellulose suspensions
- Patent number 10,982,387
- Issue date Apr 20, 2021
- FiberLean Technologies Limited
- Patrick A. C. Gane
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Fiber blend having high yield and enhanced pulp performance and met...
- Patent number 10,975,520
- Issue date Apr 13, 2021
- WestRock MWV, LLC
- Peter W. Hart
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for improved production of fermentable sugars from lignocell...
- Patent number 10,968,322
- Issue date Apr 6, 2021
- Indian Oil Corporation Limited
- Alok Satlewal
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of preparing a grafted copolymer of lignin and/or cellulose
- Patent number 10,889,674
- Issue date Jan 12, 2021
- BIOFIBER TECH SWEDEN AB
- Eric Yijing Zhang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for simultaneously pressing and cutting a molded fiber part
- Patent number 10,683,611
- Issue date Jun 16, 2020
- Footprint International, LLC
- Yoke Dou Chung
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for the production of nano-fibrillar cellulose suspensions
- Patent number 10,301,774
- Issue date May 28, 2019
- FiberLean Technologies Limited
- Patrick A. C. Gane
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Die press assembly for drying and cutting molded fiber parts
- Patent number 10,240,286
- Issue date Mar 26, 2019
- Footprint International, LLC
- Yoke Dou Chung
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Fiber blend having high yield and enhanced pulp performance and met...
- Patent number 10,060,075
- Issue date Aug 28, 2018
- WestRock MWV, LLC
- Peter W. Hart
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for pretreating cellulose pulp
- Patent number 9,725,849
- Issue date Aug 8, 2017
- UPM-Kymmene Corporation
- Markus Nuopponen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for pretreating cellulose pulp
- Patent number 9,315,942
- Issue date Apr 19, 2016
- UPM-Kymmene Corporation
- Markus Nuopponen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Continuous cellulostic pre-treatment and bio-mass processing by rea...
- Patent number 9,161,556
- Issue date Oct 20, 2015
- Donald L. Fisk
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of processing chemical pulp
- Patent number 9,139,955
- Issue date Sep 22, 2015
- Olli Joutsimo
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Chemical treatment of lignocellulosic fiber bundle material, and me...
- Patent number 9,115,468
- Issue date Aug 25, 2015
- Andritz Inc.
- Eric Xu
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for the production of nano-fibrillar cellulose suspensions
- Patent number 8,871,057
- Issue date Oct 28, 2014
- Omya International AG
- Patrick A. C. Gane
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for reducing specific energy demand during refining of ther...
- Patent number 8,673,113
- Issue date Mar 18, 2014
- The University of British Columbia
- Rodger R. Beatson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus for treating a cellulosic feedstock
- Patent number 8,449,680
- Issue date May 28, 2013
- Mascoma Canada Inc.
- Murray J. Burke
- C13 - SUGAR INDUSTRY
Information Patent Grant
Method and system to enhance fiber development by addition of treat...
- Patent number 8,282,773
- Issue date Oct 9, 2012
- Andritz Inc.
- Johann Aichinger
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process of producing high-yield pulp
- Patent number 8,268,122
- Issue date Sep 18, 2012
- Akzo Nobel N.V.
- Karin Susanne Maria Walter
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Chemical activation and refining of southern pine kraft fibers
- Patent number 8,262,850
- Issue date Sep 11, 2012
- International Paper Company
- Zheng Tan
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for improving fiber quality and process efficiency in mechan...
- Patent number 8,262,852
- Issue date Sep 11, 2012
- Nalco Company
- Prasad Y. Duggirala
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Four stage alkaline peroxide mechanical pulpings
- Patent number 8,048,263
- Issue date Nov 1, 2011
- Andritz Inc.
- Martin Herkel
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for increasing the refiner production rate and/or decreasin...
- Patent number 7,981,247
- Issue date Jul 19, 2011
- Hercules Incorporated
- Eric Oswaldo Fernandez
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and arrangement for feeding chemicals into a process stream
- Patent number 7,981,251
- Issue date Jul 19, 2011
- Nalco Company
- Tommy Jacobson
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Method of pre-treating woodchips prior to mechanical pulping
- Patent number 7,943,008
- Issue date May 17, 2011
- Packaging Corporation of America
- Ventzislav H. Kirov
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
ASA emulsification with ultrasound
- Patent number 7,938,934
- Issue date May 10, 2011
- Nalco Company
- Aleksandar Todorovic
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF MAKING FIRE RETARDANT MATERIALS AND RELATED PRODUCTS
- Publication number 20240191430
- Publication date Jun 13, 2024
- ClLEANFIBER INC..
- Jonathan Strimling
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR PRODUCING SOFTWOOD-DERIVED PULP FIBERS FOR PAPER AND SOF...
- Publication number 20220074138
- Publication date Mar 10, 2022
- UNICHARM CORPORATION
- Takeshi Bandou
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PROCESS FOR THE PRODUCTION OF NANO-FIBRILLAR CELLULOSE SUSPENSIONS
- Publication number 20210262164
- Publication date Aug 26, 2021
- FiberLean Technologies Limited
- Patrick A.C. Gane
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR PREPARING UNBLEACHED BIOMECHANICAL PULP FROM STRAW
- Publication number 20210054566
- Publication date Feb 25, 2021
- QILU UNIVERSITY OF TECHNOLOGY
- Jiachuan CHEN
- 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
PROCESS FOR THE PRODUCTION OF NANO-FIBRILLAR CELLULOSE SUSPENSIONS
- Publication number 20190234017
- Publication date Aug 1, 2019
- FiberLean Technologies Limited
- Patrick A.C. Gane
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Die Press Assembly For Drying and Cutting Molded Fiber Parts
- Publication number 20190218711
- Publication date Jul 18, 2019
- Footprint International, LLC
- Yoke Dou Chung
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Method of Preparing a Grafted Copolymer of Lignin and/or Cellulose
- Publication number 20190202956
- Publication date Jul 4, 2019
- BIOFIBER TECH SWEDEN AB
- Eric Yijing Zhang
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR PRODUCING CELLULOSE NANOFIBER DRY SOLID
- Publication number 20180371109
- Publication date Dec 27, 2018
- Nippon Paper Industries Co., Ltd.
- Takeshi Nakatani
- B82 - NANO-TECHNOLOGY
Information Patent Application
FIBER BLEND HAVING HIGH YIELD AND ENHANCED PULP PERFORMANCE AND MET...
- Publication number 20180347110
- Publication date Dec 6, 2018
- WestRock MWV, LLC
- Peter W. Hart
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Die Press Assembly For Drying and Cutting Molded Fiber Parts
- Publication number 20180340296
- Publication date Nov 29, 2018
- Yoke Dou Chung
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR PRETREATING CELLULOSE PULP
- Publication number 20140374045
- Publication date Dec 25, 2014
- UPM-Kymmene Corporation
- Markus Nuopponen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PROCESS FOR THE PRODUCTION OF NANO-FIBRILLAR CELLULOSE SUSPENSIONS
- Publication number 20140371172
- Publication date Dec 18, 2014
- Omya International AG
- Patrick A.C. Gane
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
CHEMICAL TREATMENT OF LIGNOCELLULOSIC FIBER BUNDLE MATERIAL, AND ME...
- Publication number 20140083633
- Publication date Mar 27, 2014
- ANDRITZ INC.
- Eric XU
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Chemical Activation and Refining of Southern Pine Kraft Fibers
- Publication number 20140000825
- Publication date Jan 2, 2014
- International Paper Company
- ZHENG TAN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
APPARATUS FOR TREATING A CELLULOSIC FEEDSTOCK
- Publication number 20130213390
- Publication date Aug 22, 2013
- MASCOMA CANADA INC.
- Murray J. Burke
- C13 - SUGAR INDUSTRY
Information Patent Application
METHOD OF PROCESSING CHEMICAL PULP
- Publication number 20130105097
- Publication date May 2, 2013
- Olli Joutsimo
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
CHEMICAL ACTIVATION AND REFINING OF SOUTHERN PINE KRAFT FIBERS
- Publication number 20130098571
- Publication date Apr 25, 2013
- International Paper Company
- Zheng Tan
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
APPARATUS TO ENHANCE FIBER DEVELOPMENT BY ADDITION OF TREATMENT AGE...
- Publication number 20130000859
- Publication date Jan 3, 2013
- ANDRITZ INC.
- Johann Aichinger
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
CONTINUOUS CELLULOSTIC PRE-TREATMENT AND BIO-MASS PROCESSING BY REA...
- Publication number 20120125324
- Publication date May 24, 2012
- Donald L. FISK
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Application
METHOD FOR MANUFACTURING PAPERMAKING PULP
- Publication number 20120118518
- Publication date May 17, 2012
- Christophe Calais
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PROCESS FOR THE PRODUCTION OF NANO-FIBRILLAR CELLULOSE SUSPENSIONS
- Publication number 20120094953
- Publication date Apr 19, 2012
- OMYA DEVELOPMENT AG
- Patrick A.C. Gane
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PROCESS FOR REDUCING SPECIFIC ENERGY DEMAND DURING REFINING OF THER...
- Publication number 20110303372
- Publication date Dec 15, 2011
- The University of British Columbia
- Rodger R. BEATSON
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR MANUFACTURING MECHANICAL PULP
- Publication number 20110036523
- Publication date Feb 17, 2011
- UPM-Kymmene Corporation
- Esko Härkönen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD OF PRE-TREATING WOODCHIPS PRIOR TO MECHANICAL PULPING
- Publication number 20100276092
- Publication date Nov 4, 2010
- Ventzislav H. Kirov
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD AND COMPOSITION FOR IMPROVING FIBER QUALITY AND PROCESS EFFI...
- Publication number 20100269993
- Publication date Oct 28, 2010
- Prasad Y. Duggirala
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Four stage alkaline peroxide mechanical pulpings
- Publication number 20100186910
- Publication date Jul 29, 2010
- Martin Herkel
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Process for Increasing the Refiner Production Rate and/or Decreasin...
- Publication number 20100186911
- Publication date Jul 29, 2010
- Eric Oswaldo Fernandez
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PROCESS FOR PRODUCING FIBROUS MATERIAL FROM WOOD
- Publication number 20100032111
- Publication date Feb 11, 2010
- VOITH PATENT GmbH
- Esa-Matti Aalto
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD AND APPARATUS FOR CONVEYING A CELLULOSIC FEEDSTOCK
- Publication number 20100028089
- Publication date Feb 4, 2010
- SUNOPTA BIOPROCESS INC.
- Murray J. Burke
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

in the presence of chemical agents

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method for producing softwood-derived pulp fibers for paper and sof...

Method of increasing the throughput and/or decreasing energy usage...

Method for preparing unbleached biomechanical pulp from straw

Method for dissolving lignocellulosic biomass

Method for producing cellulose nanofiber dry solid

Process for the production of nano-fibrillar cellulose suspensions

Fiber blend having high yield and enhanced pulp performance and met...

Method for improved production of fermentable sugars from lignocell...

Method of preparing a grafted copolymer of lignin and/or cellulose

Method for simultaneously pressing and cutting a molded fiber part

Process for the production of nano-fibrillar cellulose suspensions

Die press assembly for drying and cutting molded fiber parts

Fiber blend having high yield and enhanced pulp performance and met...

Method for pretreating cellulose pulp

Method for pretreating cellulose pulp

Continuous cellulostic pre-treatment and bio-mass processing by rea...

Method of processing chemical pulp

Chemical treatment of lignocellulosic fiber bundle material, and me...

Process for the production of nano-fibrillar cellulose suspensions

Process for reducing specific energy demand during refining of ther...

Method and apparatus for treating a cellulosic feedstock

Method and system to enhance fiber development by addition of treat...

Process of producing high-yield pulp

Chemical activation and refining of southern pine kraft fibers

Method for improving fiber quality and process efficiency in mechan...

Four stage alkaline peroxide mechanical pulpings

Process for increasing the refiner production rate and/or decreasin...

Method and arrangement for feeding chemicals into a process stream

Method of pre-treating woodchips prior to mechanical pulping

ASA emulsification with ultrasound

Patents Applicationslast 30 patents

METHOD OF MAKING FIRE RETARDANT MATERIALS AND RELATED PRODUCTS

METHOD FOR PRODUCING SOFTWOOD-DERIVED PULP FIBERS FOR PAPER AND SOF...

PROCESS FOR THE PRODUCTION OF NANO-FIBRILLAR CELLULOSE SUSPENSIONS

METHOD FOR PREPARING UNBLEACHED BIOMECHANICAL PULP FROM STRAW

METHOD OF INCREASING THE THROUGHPUT AND/OR DECREASING ENERGY USAGE...

PROCESS FOR THE PRODUCTION OF NANO-FIBRILLAR CELLULOSE SUSPENSIONS

Die Press Assembly For Drying and Cutting Molded Fiber Parts

Method of Preparing a Grafted Copolymer of Lignin and/or Cellulose

METHOD FOR PRODUCING CELLULOSE NANOFIBER DRY SOLID

FIBER BLEND HAVING HIGH YIELD AND ENHANCED PULP PERFORMANCE AND MET...

Die Press Assembly For Drying and Cutting Molded Fiber Parts

METHOD FOR PRETREATING CELLULOSE PULP

PROCESS FOR THE PRODUCTION OF NANO-FIBRILLAR CELLULOSE SUSPENSIONS

CHEMICAL TREATMENT OF LIGNOCELLULOSIC FIBER BUNDLE MATERIAL, AND ME...

Chemical Activation and Refining of Southern Pine Kraft Fibers

APPARATUS FOR TREATING A CELLULOSIC FEEDSTOCK

METHOD OF PROCESSING CHEMICAL PULP

CHEMICAL ACTIVATION AND REFINING OF SOUTHERN PINE KRAFT FIBERS

APPARATUS TO ENHANCE FIBER DEVELOPMENT BY ADDITION OF TREATMENT AGE...

CONTINUOUS CELLULOSTIC PRE-TREATMENT AND BIO-MASS PROCESSING BY REA...

METHOD FOR MANUFACTURING PAPERMAKING PULP

PROCESS FOR THE PRODUCTION OF NANO-FIBRILLAR CELLULOSE SUSPENSIONS

PROCESS FOR REDUCING SPECIFIC ENERGY DEMAND DURING REFINING OF THER...

METHOD FOR MANUFACTURING MECHANICAL PULP

METHOD OF PRE-TREATING WOODCHIPS PRIOR TO MECHANICAL PULPING

METHOD AND COMPOSITION FOR IMPROVING FIBER QUALITY AND PROCESS EFFI...

Four stage alkaline peroxide mechanical pulpings

Process for Increasing the Refiner Production Rate and/or Decreasin...

PROCESS FOR PRODUCING FIBROUS MATERIAL FROM WOOD

METHOD AND APPARATUS FOR CONVEYING A CELLULOSIC FEEDSTOCK