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Introduction of various effluents
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D21C11/0021
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Parent Industries
D
TEXTILES PAPER
D21
Papermaking
D21C
PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS REGENERATION OF PULPING LIQUORS APPARATUS THEREFOR
D21C11/00
Regeneration of pulp liquors or effluent waste waters
Current Industry
D21C11/0021
Introduction of various effluents
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Overview
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Impact
Patents Grants
last 30 patents
Information
Patent Grant
Method of preparing a sizing boost additive
Patent number
11,041,273
Issue date
Jun 22, 2021
SCA Forest Products AB
Anette Bergmark
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for utilizing lignin separated from black liquor as lime-kil...
Patent number
10,179,972
Issue date
Jan 15, 2019
Andritz Oy
Paterson McKeough
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
Whitewater recovery process
Patent number
9,506,190
Issue date
Nov 29, 2016
Kadant Inc.
Philip Mason Kemp
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
BCTMP filtrate recycling system and method
Patent number
8,999,114
Issue date
Apr 7, 2015
International Paper Company
Caifang F. Yin
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
BCTMP filtrate recycling system and method
Patent number
8,753,477
Issue date
Jun 17, 2014
International Paper Company
Caifang F. Yin
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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 recovering a low sodium content lignin fuel from black l...
Patent number
8,252,141
Issue date
Aug 28, 2012
Andritz Oy
Lars Stigsson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for mitigating the interference caused by high-molecular wei...
Patent number
7,282,115
Issue date
Oct 16, 2007
Craig A. Bianchini
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for mitigating the interference caused by high-molecular wei...
Patent number
6,752,903
Issue date
Jun 22, 2004
Craig A. Bianchini
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for recovering chemicals in a process of producing pulp by k...
Patent number
6,585,880
Issue date
Jul 1, 2003
Nippon Paper Industries Co., Ltd.
Keigo Watanabe
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Procedure for arranging water circulations in integrated paper mill
Patent number
6,514,379
Issue date
Feb 4, 2003
Metso Paper, Inc.
Rainer Gartz
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for concentrating soluble and colloidal substances in proce...
Patent number
6,425,975
Issue date
Jul 30, 2002
Valtion teknillinen tutkimuskeskus
Liisa Viikari
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Circuit purification for the papermaking industry
Patent number
6,372,139
Issue date
Apr 16, 2002
Paques Water Systems B.V.
Leonard Hubertus Alphonsus Habets
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Treatment of pulp mill condensate with ozone
Patent number
6,348,129
Issue date
Feb 19, 2002
Jorge Luiz Colodette
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Dissolved solids control in pulp production
Patent number
6,346,167
Issue date
Feb 12, 2002
Andritz-Ahlstrom Inc.
Bruno S. Marcoccia
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Dissolved organic material control in a cellulose pulp continuous d...
Patent number
6,280,568
Issue date
Aug 28, 2001
Andritz-Ahlstrom Inc.
Bruno S. Marcoccia
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Dissolved organic materials control in cellulose pulp production
Patent number
6,159,337
Issue date
Dec 12, 2000
Andritz-Ahlstrom Inc.
Bruno S. Marcoccia
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of controlling pulp digester pressure via liquor extraction
Patent number
6,132,556
Issue date
Oct 17, 2000
Andritz-Ahlstrom Inc.
C. Bertil Stromberg
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
DOM control in cellulose pulp production
Patent number
6,086,712
Issue date
Jul 11, 2000
Ahlstrom Machinery Inc.
Bruno S. Marcoccia
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of papermaking having zero liquid discharge
Patent number
6,071,380
Issue date
Jun 6, 2000
Hoffman Environmental Systems, Inc.
Roger P. Hoffman
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Black liquor impregnation in digester
Patent number
6,063,238
Issue date
May 16, 2000
Kvaerner Pulping AB
Anders Bergqvist
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for burning secondary sludge in a recovery boiler
Patent number
5,976,318
Issue date
Nov 2, 1999
Tampella Power Oy
Matti Knuutila
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of continuous pulping in a digester with high black liquor u...
Patent number
5,925,216
Issue date
Jul 20, 1999
Kvaerner Pulping AB
Anders Bergqvist
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Regeneration of pulp liquors
Patent number
5,849,197
Issue date
Dec 15, 1998
Amcor Limited
Leslie James Taylor
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Low dissolved solids control in pulp production
Patent number
5,849,150
Issue date
Dec 15, 1998
Ahlstrom Machinery Inc.
Bruno S. Marcoccia
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Continuous digester having means for implementing low dissolved sol...
Patent number
5,849,151
Issue date
Dec 15, 1998
Ahlstrom Machinery Inc.
Bruno S. Marcoccia
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of controlling the pressure of a continuous digester using a...
Patent number
5,824,188
Issue date
Oct 20, 1998
Ahlstrom Machinery Inc.
J. Robert Prough
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Purifying aqueous effluent from a pulp mill using electro chemical...
Patent number
5,792,315
Issue date
Aug 11, 1998
Eka Chemicals AB
Johan Landfors
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of papermaking having zero liquid discharge
Patent number
5,762,758
Issue date
Jun 9, 1998
Hoffman Environmental Systems, Inc.
Roger P. Hoffman
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR PROCESSING BARK PRESS WATER FROM SAWMILLS AND/OR PULP MILLS
Publication number
20240307825
Publication date
Sep 19, 2024
SÖDRA SKOGSÄGARNA EKONOMISK FÖRENING
Jim PARKÅS
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
CATALYTIC CONVERSION OF LIGNIN
Publication number
20200141057
Publication date
May 7, 2020
SunCarbon AB
Christian Hulteberg
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
METHOD OF PREPARING A SIZING BOOST ADDITIVE
Publication number
20190382959
Publication date
Dec 19, 2019
SCA FOREST PRODUCTS AB
Anette BERGMARK
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR HANDLING SPENT WASH SOLUTION OF A LIGNIN-RECOVERY PROCESS
Publication number
20170211232
Publication date
Jul 27, 2017
ANDRITZ OY
Paterson McKEOUGH
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR UTILIZING LIGNIN SEPARATED FROM BLACK LIQUOR AS LIME-KIL...
Publication number
20170159238
Publication date
Jun 8, 2017
ANDRITZ OY
Paterson McKEOUGH
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
REFINING CELLULOSE IN A SOLVENT FOR PRODUCTION OF NANOCELLULOSE MAT...
Publication number
20160326697
Publication date
Nov 10, 2016
API Intellectual Property Holdings, LLC
Theodora RETSINA
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR PRODUCING ACID WASHED CELLULOSIC FEEDSTOCK FOR ETHANOL P...
Publication number
20160273163
Publication date
Sep 22, 2016
Terry Gong
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Application
CONTINUOUS DIGESTER AND FEEDING SYSTEM
Publication number
20160145797
Publication date
May 26, 2016
International Paper Company
KEVIN M. MC CANTY
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR RECOVERING CHEMICALS AND BY-PRODUCTS FROM HIGH-SULPHIDIT...
Publication number
20160002853
Publication date
Jan 7, 2016
ANDRITZ OY
Paterson McKEOUGH
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
WHITEWATER RECOVERY PROCESS
Publication number
20150259854
Publication date
Sep 17, 2015
KADANT INC.
Philip Mason Kemp
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
WHITEWATER RECOVERY PROCESS
Publication number
20140262095
Publication date
Sep 18, 2014
KADANT INC.
Philip Mason Kemp
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
BCTMP Filtrate Recycling System and Method
Publication number
20140174679
Publication date
Jun 26, 2014
International Paper Company
CAIFANG F. YIN
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
BCTMP Filtrate Recycling System and Method
Publication number
20110232853
Publication date
Sep 29, 2011
International Paper Company
CAIFANG F. YIN
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR TREATING LIQUID FLOWS AT A CHEMICAL PULP MILL
Publication number
20100243184
Publication date
Sep 30, 2010
ANDRITZ OY
Janne Vehmaa
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
Method For Recovering A Low Sodium Content Lignin Fuel From Black L...
Publication number
20100041879
Publication date
Feb 18, 2010
Lars Stigsson
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Batch process for preparing pulp
Publication number
20060175029
Publication date
Aug 10, 2006
METSO PAPER INC.
Seppo Martikainen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Method and a device for preparing cellulose pulp
Publication number
20060070710
Publication date
Apr 6, 2006
Lasse Hernesniemi
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Method for mitigating the interference caused by high-molecular wei...
Publication number
20040099386
Publication date
May 27, 2004
Craig A. Bianchini
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Cooking process using hot black liquor
Publication number
20040079498
Publication date
Apr 29, 2004
Hannu Haaslahti
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Method for mitigating the interference caused by high-molecular wei...
Publication number
20030019593
Publication date
Jan 30, 2003
Craig A. Bianchini
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Dissolved solids control in pulp production
Publication number
20010001977
Publication date
May 31, 2001
Andritz Ahlstrom, Inc.
Bruno S. Marcoccia
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE