Means for circulating the lye

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CPC
D21C7/14

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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 D21C7/00Digesters

Current Industry

D21C7/14Means for circulating the lye

Industries

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Patents Grantslast 30 patents

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 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
Method of removing odors from fibrous materials used in forming bio...
- Patent number 10,472,767
- Issue date Nov 12, 2019
- CNH Industrial Canada, Ltd.
- James Henry
- D10 - INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEX...
Information Patent Grant
Method and arrangement for generating steam at a digester plant of...
- Patent number 10,329,713
- Issue date Jun 25, 2019
- Andritz Oy
- Johan Engstrom
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Washing apparatus and method for preparation of cellulose fibers fo...
- Patent number 9,915,030
- Issue date Mar 13, 2018
- CNH Industrial Canada, Ltd.
- James Henry
- D10 - INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEX...
Information Patent Grant
Continuous digester and feeding system
- Patent number 9,644,317
- Issue date May 9, 2017
- International Paper Company
- Kevin M. McCanty
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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...
Information Patent Grant
Methods for digestion of cellulosic biomass solids in the presence...
- Patent number 9,458,247
- Issue date Oct 4, 2016
- Shell Oil Company
- Joseph Broun Powell
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Methods for digestion of cellulosic biomass solids in the presence...
- Patent number 9,376,501
- Issue date Jun 28, 2016
- Shell Oil Company
- Joseph Broun Powell
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Digestion units configured for high yield biomass processing
- Patent number 9,199,212
- Issue date Dec 1, 2015
- Shell Oil Company
- Edward James Denton
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Two vessel reactor system and method for hydrolysis and digestion o...
- Patent number 9,194,080
- Issue date Nov 24, 2015
- Andritz Inc.
- Namhee Shin
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Flash tank with adjustable inlet
- Patent number 9,103,070
- Issue date Aug 11, 2015
- Andritz Inc.
- Tyson Bradford Hunt
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Digester apparatus
- Patent number 8,986,504
- Issue date Mar 24, 2015
- International Paper Company
- Ronald A. Eckl
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Profile bar screen for digester vessels
- Patent number 8,980,061
- Issue date Mar 17, 2015
- Valmet AB
- Mikael Vinje
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
In-line drainer with shaped screen slots
- Patent number 8,894,819
- Issue date Nov 25, 2014
- Andritz Inc.
- Jay Sheerer
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and arrangement for adding treatment liquors to cellulose ma...
- Patent number 8,852,395
- Issue date Oct 7, 2014
- Valmet AB
- Daniel Trolin
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for treating, pressing and washing biomass
- Patent number 8,715,419
- Issue date May 6, 2014
- Andritz Inc.
- Peter Mraz
- C13 - SUGAR INDUSTRY
Information Patent Grant
Method for an energy efficient production of cellulose pulp in a co...
- Patent number 8,691,049
- Issue date Apr 8, 2014
- Valmet AB
- Vidar Snekkenes
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for preventing clogging in a strainer construction for a con...
- Patent number 8,449,717
- Issue date May 28, 2013
- Metso Paper Sweden AB
- Jonas Saetherasen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Apparatus and method for treating, pressing and washing biomass
- Patent number 8,353,989
- Issue date Jan 15, 2013
- Andritz Inc.
- Peter Mraz
- C13 - SUGAR INDUSTRY
Information Patent Grant
Vapour phase digester and a method for continuous cooking
- Patent number 8,197,639
- Issue date Jun 12, 2012
- Metso Paper Sweden AB
- Vidar Snekkenes
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Digester with improved space utilization and/or sample holder
- Patent number 8,172,984
- Issue date May 8, 2012
- Andrew Kallmes
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Cylindrical bearing for pressure diffuser and associated method
- Patent number 8,157,956
- Issue date Apr 17, 2012
- Andritz Inc.
- John Weston
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Digester screen for a continuous cellulose pulp digester
- Patent number 8,088,253
- Issue date Jan 3, 2012
- Metso Paper Sweden AB
- Jonas Saetherasen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for rapid acid hydrolysis of lignocellulosic material and i...
- Patent number 7,988,788
- Issue date Aug 2, 2011
- Dedini S.A. Industrias De Base
- Antonio Geraldo Proenca Hilst
- C13 - SUGAR INDUSTRY
Information Patent Grant
Continuous digester system
- Patent number 7,976,675
- Issue date Jul 12, 2011
- Metso Paper Sweden AB
- Andre Turqueti
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Continuous digester system
- Patent number 7,867,363
- Issue date Jan 11, 2011
- Metso Fiber Karlstad AB
- Andre Turqueti
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Apparatus and process for digesting cellulosic material
- Patent number 7,811,416
- Issue date Oct 12, 2010
- Andrew Kallmes
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Screen plates having diagonal slots with curved inlets for a digester
- Patent number 7,799,173
- Issue date Sep 21, 2010
- Andritz Inc.
- Jay K. Sheerer
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Digester wash extraction by individual screen flow control
- Patent number 7,749,354
- Issue date Jul 6, 2010
- International Paper Company
- Dean K Lawrence
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF DIGESTING CELLULOSE FIBROUS MATERIAL IN A CONTINUOUS DIGE...
- Publication number 20170022664
- Publication date Jan 26, 2017
- STORA ENSO OYJ
- Mats NÄSMAN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
TWO VESSEL REACTOR SYSTEM AND METHOD FOR HYDROLYSIS AND DIGESTION O...
- Publication number 20140246158
- Publication date Sep 4, 2014
- ANDRITZ INC.
- Namhee Shin
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
DIGESTER WITH IMPROVED VAPOR CONTROL
- Publication number 20140196859
- Publication date Jul 17, 2014
- Andrew KALLMES
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHODS AND SYSTEMS FOR DISTRIBUTING A SLURRY CATALYST IN CELLULOSI...
- Publication number 20140117276
- Publication date May 1, 2014
- Shell Oil Company
- Joseph Broun POWELL
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
METHOD AND ARRANGEMENT FOR ADDING TREATMENT LIQUORS TO CELLULOSE MA...
- Publication number 20140069598
- Publication date Mar 13, 2014
- Daniel Trolin
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
DIGESTION UNITS CONFIGURED FOR HIGH YIELD BIOMASS PROCESSING
- Publication number 20140004015
- Publication date Jan 2, 2014
- Edward James DENTON
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
IN-LINE DRAINER WITH SHAPED SCREEN SLOTS
- Publication number 20130284390
- Publication date Oct 31, 2013
- ANDRITZ INC.
- Jay Sheerer
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
FLASH TANK WITH ADJUSTABLE INLET AND METHOD FOR ADJUSTING INLET FLO...
- Publication number 20130206346
- Publication date Aug 15, 2013
- ANDRITZ INC.
- Tyson Bradford HUNT
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR TREATING, PRESSING AND WASHING BIOMASS
- Publication number 20130192592
- Publication date Aug 1, 2013
- ANDRITZ INC.
- Peter Mraz
- C13 - SUGAR INDUSTRY
Information Patent Application
DIGESTER AND DIGESTION PROCESS
- Publication number 20130062031
- Publication date Mar 14, 2013
- Andrew KALLMES
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
CHIP FEED AND STEAMING SYSTEM AND METHOD FOR BATCH DIGESTER
- Publication number 20120031574
- Publication date Feb 9, 2012
- ANDRITZ INC.
- Bertil STROMBERG
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR PREVENTING CLOGGING IN A STRAINER CONSTRUCTION FOR A CON...
- Publication number 20110203755
- Publication date Aug 25, 2011
- Jonas Saetherasen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
CONTINUOUS DIGESTER SYSTEM
- Publication number 20110067828
- Publication date Mar 24, 2011
- Andre Turqueti
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
VAPOUR PHASE DIGESTER AND A METHOD FOR CONTINUOUS COOKING
- Publication number 20100326611
- Publication date Dec 30, 2010
- Vidar Snekkenes
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
DIGESTER WITH IMPROVED SPACE UTILIZATION AND/OR SAMPLE HOLDER
- Publication number 20100329943
- Publication date Dec 30, 2010
- Andrew KALLMES
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
DIGESTER SCREEN FOR A CONTINUOUS CELLULOSE PULP DIGESTER
- Publication number 20100276098
- Publication date Nov 4, 2010
- Jonas Saetherasen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
CYLINDRICAL BEARING FOR PRESSURE DIFFUSER AND ASSOCIATED METHOD
- Publication number 20100155003
- Publication date Jun 24, 2010
- ANDRITZ INC.
- John Weston
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
APPARATUS AND METHOD FOR TREATING, PRESSING AND WASHING BIOMASS
- Publication number 20100116267
- Publication date May 13, 2010
- ANDRITZ INC.
- Peter Mraz
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR AN ENERGY EFFICIENT PRODUCTION OF CELLULOSE PULP IN A CO...
- Publication number 20100071861
- Publication date Mar 25, 2010
- Vidar Snekkenes
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
CONTINUOUS DIGESTER SYSTEM
- Publication number 20100051222
- Publication date Mar 4, 2010
- Andre Turqueti
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
DIGESTER WASH EXTRACTION BY INDIVIDUAL SCREEN FLOW CONTROL
- Publication number 20090236059
- Publication date Sep 24, 2009
- International Paper Company
- DEAN KENNETH LAWRENCE
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
CONTINUOUS DIGESTER WITH FLUID CIRCULATION
- Publication number 20090071615
- Publication date Mar 19, 2009
- Vidar Snekkenes
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Digester wash extraction by individual screen flow control
- Publication number 20090056890
- Publication date Mar 5, 2009
- Dean Kenneth Lawrence
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
TWO VESSEL REACTOR SYSTEM AND METHOD FOR HYDROLYSIS AND DIGESTION O...
- Publication number 20080302492
- Publication date Dec 11, 2008
- ANDRITZ INC.
- Namhee Shin
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
APPARATUS AND PROCESS FOR DIGESTING CELLULOSIC MATERIAL
- Publication number 20080245496
- Publication date Oct 9, 2008
- Andrew Kallmes
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR PRODUCING CELLULOSE PULP IN A CONTINUOUS DIGESTER IN AN...
- Publication number 20080210392
- Publication date Sep 4, 2008
- Vidar Snekkenes
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Process for Rapid Acid Hydrolysis of Lignocellulosic Material and i...
- Publication number 20080202504
- Publication date Aug 28, 2008
- Dedini S.A. Industrias De Base
- Antonio Geraldo Proenca Hilst
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
SCREEN PLATES HAVING DIAGONAL SLOTS WITH CURVED INLETS FOR A DIGESTER
- Publication number 20080173415
- Publication date Jul 24, 2008
- ANDRITZ INC.
- Jay K. Sheerer
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Means for circulating the lye

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Process for obtaining cellulose

Method and a system for production of high molecular weight lignin

Method of removing odors from fibrous materials used in forming bio...

Method and arrangement for generating steam at a digester plant of...

Washing apparatus and method for preparation of cellulose fibers fo...

Continuous digester and feeding system

Methods and systems for distributing a slurry catalyst in cellulosi...

Methods for digestion of cellulosic biomass solids in the presence...

Methods for digestion of cellulosic biomass solids in the presence...

Digestion units configured for high yield biomass processing

Two vessel reactor system and method for hydrolysis and digestion o...

Flash tank with adjustable inlet

Digester apparatus

Profile bar screen for digester vessels

In-line drainer with shaped screen slots

Method and arrangement for adding treatment liquors to cellulose ma...

Method for treating, pressing and washing biomass

Method for an energy efficient production of cellulose pulp in a co...

Method for preventing clogging in a strainer construction for a con...

Apparatus and method for treating, pressing and washing biomass

Vapour phase digester and a method for continuous cooking

Digester with improved space utilization and/or sample holder

Cylindrical bearing for pressure diffuser and associated method

Digester screen for a continuous cellulose pulp digester

Process for rapid acid hydrolysis of lignocellulosic material and i...

Continuous digester system

Continuous digester system

Apparatus and process for digesting cellulosic material

Screen plates having diagonal slots with curved inlets for a digester

Digester wash extraction by individual screen flow control

Patents Applicationslast 30 patents

METHOD OF DIGESTING CELLULOSE FIBROUS MATERIAL IN A CONTINUOUS DIGE...

METHODS FOR DIGESTION OF CELLULOSIC BIOMASS SOLIDS IN THE PRESENCE...

METHODS FOR DIGESTION OF CELLULOSIC BIOMASS SOLIDS IN THE PRESENCE...

TWO VESSEL REACTOR SYSTEM AND METHOD FOR HYDROLYSIS AND DIGESTION O...

DIGESTER WITH IMPROVED VAPOR CONTROL

METHODS AND SYSTEMS FOR DISTRIBUTING A SLURRY CATALYST IN CELLULOSI...

METHOD AND ARRANGEMENT FOR ADDING TREATMENT LIQUORS TO CELLULOSE MA...

DIGESTION UNITS CONFIGURED FOR HIGH YIELD BIOMASS PROCESSING

IN-LINE DRAINER WITH SHAPED SCREEN SLOTS

FLASH TANK WITH ADJUSTABLE INLET AND METHOD FOR ADJUSTING INLET FLO...

METHOD FOR TREATING, PRESSING AND WASHING BIOMASS

DIGESTER AND DIGESTION PROCESS

CHIP FEED AND STEAMING SYSTEM AND METHOD FOR BATCH DIGESTER

METHOD FOR PREVENTING CLOGGING IN A STRAINER CONSTRUCTION FOR A CON...

CONTINUOUS DIGESTER SYSTEM

VAPOUR PHASE DIGESTER AND A METHOD FOR CONTINUOUS COOKING

DIGESTER WITH IMPROVED SPACE UTILIZATION AND/OR SAMPLE HOLDER

DIGESTER SCREEN FOR A CONTINUOUS CELLULOSE PULP DIGESTER

CYLINDRICAL BEARING FOR PRESSURE DIFFUSER AND ASSOCIATED METHOD

APPARATUS AND METHOD FOR TREATING, PRESSING AND WASHING BIOMASS

METHOD FOR AN ENERGY EFFICIENT PRODUCTION OF CELLULOSE PULP IN A CO...

CONTINUOUS DIGESTER SYSTEM

DIGESTER WASH EXTRACTION BY INDIVIDUAL SCREEN FLOW CONTROL

CONTINUOUS DIGESTER WITH FLUID CIRCULATION

Digester wash extraction by individual screen flow control

TWO VESSEL REACTOR SYSTEM AND METHOD FOR HYDROLYSIS AND DIGESTION O...

APPARATUS AND PROCESS FOR DIGESTING CELLULOSIC MATERIAL

METHOD FOR PRODUCING CELLULOSE PULP IN A CONTINUOUS DIGESTER IN AN...

Process for Rapid Acid Hydrolysis of Lignocellulosic Material and i...

SCREEN PLATES HAVING DIAGONAL SLOTS WITH CURVED INLETS FOR A DIGESTER