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D21C7/12
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D
TEXTILES PAPER
D21
Papermaking
D21C
PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS REGENERATION OF PULPING LIQUORS APPARATUS THEREFOR
D21C7/00
Digesters
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D21C7/12
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Patents Grants
last 30 patents
Information
Patent Grant
Reactor discharge
Patent number
12,139,853
Issue date
Nov 12, 2024
Valmet AB
Olof Melander
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Arrangement for installation of monitoring sensors of a treatment v...
Patent number
12,129,598
Issue date
Oct 29, 2024
Andritz Oy
Aki Muhli
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Feeding arrangement
Patent number
11,879,209
Issue date
Jan 23, 2024
Valmet AB
Robert Wahlberg
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Vent stack temperature as a feedforward variable for smelt dissolvi...
Patent number
11,441,265
Issue date
Sep 13, 2022
Fpinnovations
Bruce James Allison
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 for impregnating biomass and device for impregnating biomass
Patent number
11,186,949
Issue date
Nov 30, 2021
Valmet AB
Andreas Averheim
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Methods and devices for hydrothermal pretreatment of lignocellulosi...
Patent number
10,513,823
Issue date
Dec 24, 2019
BIOFUEL TECHNOLOGY A/S
Mogens Juhl Føns
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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 apparatus for controlling a cellulosic pulp process
Patent number
10,450,700
Issue date
Oct 22, 2019
CANFOR PULP LTD.
Paul Alexandre Bicho
G01 - MEASURING TESTING
Information
Patent Grant
System and a method for optimization of continuous digestion process
Patent number
10,392,747
Issue date
Aug 27, 2019
ABB Schweiz AG
Shrikant Bhat
G05 - CONTROLLING REGULATING
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
Method for recovering hydrolysate
Patent number
9,663,896
Issue date
May 30, 2017
Valmet AB
Ismo Rosengren
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for displacement in batch digesters
Patent number
9,631,317
Issue date
Apr 25, 2017
Valmet AB
Petteri Kuusisto
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
Feeding system having pumps in parallel for a continuous digester
Patent number
8,888,954
Issue date
Nov 18, 2014
Valmet AB
Anders Samuelsson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Fluorometric method for monitoring surface additives in a papermaki...
Patent number
8,480,856
Issue date
Jul 9, 2013
Nalco Company
Rodney H. Banks
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Paper pulp pre-processor
Patent number
8,262,860
Issue date
Sep 11, 2012
WiSys Technology Foundation
Gerard J. F. Ring
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method and an apparatus for controlling a flow of pulp suspension
Patent number
8,177,937
Issue date
May 15, 2012
Metso Paper, Inc.
Dennis Nordgaard
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method and arrangement for continuous cooking
Patent number
7,871,491
Issue date
Jan 18, 2011
Metso Fiber Karlstad AB
Vidar Snekkenes
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method and device for the continuous cooking of pulp
Patent number
7,837,834
Issue date
Nov 23, 2010
Metso Fiber Karlstad AB
Vidar Snekkenes
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
Information
Patent Grant
Method and device for the continuous cooking of pulp
Patent number
7,686,919
Issue date
Mar 30, 2010
Metso Fiber Karlstad AB
Vidar Snekkenes
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Digester wash extraction by individual screen flow control
Patent number
7,658,820
Issue date
Feb 9, 2010
International Paper Company
Dean K Lawrence
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Electrode
Patent number
7,622,933
Issue date
Nov 24, 2009
Honeywell International Inc.
Ulysse S. Dos Santos
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Digester wash extraction by individual screen flow control
Patent number
7,452,444
Issue date
Nov 18, 2008
International Paper Company
Dean Kenneth Lawrence
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
System and method for controlling a processor including a digester...
Patent number
7,204,914
Issue date
Apr 17, 2007
Metso Automation USA Inc.
Kari Juhani Lampela
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Methods for analyzing boron-containing alkaline pulping liquors
Patent number
6,913,672
Issue date
Jul 5, 2005
U.S. Borax Inc.
Wu-hwa Wesley Hsu
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for controlling the cooking temperature in a continuous vapo...
Patent number
6,843,885
Issue date
Jan 18, 2005
Kvaerner Pulping AB
Lennart Gustavsson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method and measurement device for measuring suspension
Patent number
6,703,618
Issue date
Mar 9, 2004
Metso Automation Oy
Pasi Kärki
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for analyzing boron-containing alkaline pulping liquors
Patent number
6,635,147
Issue date
Oct 21, 2003
U.S. Borax Inc.
Wu-hwa Wesley Hsu
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Patents Applications
last 30 patents
Information
Patent Application
METHOD AND SYSTEM FOR CONTINOUSLY TREATING BIOMASS MATERIAL
Publication number
20240229353
Publication date
Jul 11, 2024
VALMET AB
Francois LAMBERT
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
A METHOD OF CONTROLLING ENZYMATIC ACTIVITIES AND TOOLS RELATED THERETO
Publication number
20230220621
Publication date
Jul 13, 2023
KEMIRA OYJ
Anu JAAKKOLA
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
ARRANGEMENT AND METHOD FOR PRETREATMENT OF BIOMASS
Publication number
20230098986
Publication date
Mar 30, 2023
SEKAB E-TECHNOLOGY AB
Anders Sjöblom
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
RAGGER SYSTEMS AND METHODS FOR REMOVING SOLID DEBRIS FROM PULPING P...
Publication number
20220259802
Publication date
Aug 18, 2022
Kadant Black Clawson LLC
Christopher Demler
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Pulping System Ragger with Reject Handling Control
Publication number
20220154398
Publication date
May 19, 2022
VALMET TECHNOLOGIES OY
Timo Hautaniemi
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
AN ARRANGEMENT FOR INSTALLATION OF MONITORING SENSORS OF A TREATMEN...
Publication number
20220018067
Publication date
Jan 20, 2022
ANDRITZ OY
Aki MUHLI
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
REACTOR DISCHARGE
Publication number
20210254281
Publication date
Aug 19, 2021
VALMET AB
Olof MELANDER
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
USED PAPER DIAPER PROCESSING METHOD AND APPARATUS
Publication number
20210222363
Publication date
Jul 22, 2021
PANASONIC CORPORATION
Genichiro MATSUDA
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
FEEDING ARRANGEMENT
Publication number
20210189647
Publication date
Jun 24, 2021
VALMET AB
Robert WAHLBERG
B30 - PRESSES
Information
Patent Application
VENT STACK TEMPERATURE AS A FEEDFORWARD VARIABLE FOR SMELT DISSOLVI...
Publication number
20210010200
Publication date
Jan 14, 2021
FPINNOVATIONS
Bruce James ALLISON
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR IMPREGNATING BIOMASS AND DEVICE FOR IMPREGNATING BIOMASS
Publication number
20190360150
Publication date
Nov 28, 2019
VALMET AB
Andreas AVERHEIM
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
A METHOD AND A SYSTEM FOR PRODUCTION OF HIGH MOLECULAR WEIGHT LIGNIN
Publication number
20190292725
Publication date
Sep 26, 2019
FIBRATECH PTE. LTD
Matti KURKI
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
METHOD AND APPARATUS FOR CONTROLLING A CELLULOSIC PULP PROCESS
Publication number
20170342659
Publication date
Nov 30, 2017
CANFOR PULP LTD
Paul Alexandre Bicho
G01 - MEASURING TESTING
Information
Patent Application
FEEDING SYSTEM HAVING PUMPS IN PARALLEL FOR A CONTINUOUS DIGESTER
Publication number
20140224441
Publication date
Aug 14, 2014
Metso Paper Sweden AB
Anders Samuelsson
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
METHOD AND ARRANGEMENT FOR MEASURING AND CONTROLLING CHIP AND/OR LI...
Publication number
20130248127
Publication date
Sep 26, 2013
SAVCOR FOREST OY
Martti Pulliainen
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
SYSTEM AND A METHOD FOR OPTIMIZATION OF CONTINUOUS DIGESTION PROCESS
Publication number
20120048492
Publication date
Mar 1, 2012
ABB Research Ltd.
Shrikant BHAT
G05 - CONTROLLING REGULATING
Information
Patent Application
FLUOROMETRIC METHOD FOR MONITORING SURFACE ADDITIVES IN A PAPERMAKI...
Publication number
20120031577
Publication date
Feb 9, 2012
Rodney H. Banks
G01 - MEASURING TESTING
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 AND AN APPARATUS FOR CONTROLLING A FLOW OF PULP SUSPENSION
Publication number
20110139384
Publication date
Jun 16, 2011
Metso Paper, Inc.
Dennis Nordgaard
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD AND ARRANGEMENT FOR CONTINUOUS COOKING
Publication number
20100132897
Publication date
Jun 3, 2010
Vidar Snekkenes
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD AND ARRANGEMENT FOR CONTINUOUS COOKING
Publication number
20090288793
Publication date
Nov 26, 2009
Vidar Snekkenes
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
METHOD AND SYSTEM FOR MEASURING AND CONTROLLING DIGESTER OR IMPREGN...
Publication number
20090188641
Publication date
Jul 30, 2009
ANDRITZ INC.
Sami Tuuri
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
FLUOROMETRIC METHOD FOR MONITORING SURFACE ADDITIVES IN A PAPERMAKI...
Publication number
20090126888
Publication date
May 21, 2009
Rodney H. Banks
G01 - MEASURING TESTING
Information
Patent Application
Electrode
Publication number
20090078386
Publication date
Mar 26, 2009
Honeywell International, Inc.
Ulysse S. Dos Santos
G01 - MEASURING TESTING
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
SYSTEM AND METHOD FOR CONTROLLING A PROCESSOR INCLUDING A DIGESTER...
Publication number
20080236771
Publication date
Oct 2, 2008
Metso Automation USA Inc.
Kari Juhani Lampela
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Method and Device for the Continuous Cooking of Pulp
Publication number
20080202712
Publication date
Aug 28, 2008
Vidar Snekkenes
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE