of acid, neutral or alkaline sulfite lye

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CPC
D21C11/02

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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 D21C11/00Regeneration of pulp liquors or effluent waste waters

Current Industry

D21C11/02of acid, neutral or alkaline sulfite lye

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Lignosulfonate of a certain quality and method of preparation of li...
- Patent number 9,447,131
- Issue date Sep 20, 2016
- Domsjö Fabriker AB
- Bengt Joensson
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing bio-methanol at pulp mills
- Patent number 9,394,220
- Issue date Jul 19, 2016
- FPINNOVATIONS
- Naceur Jemaa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Conditioning of SO2-ethanol-water spent liquor for fermentation by...
- Patent number 9,012,188
- Issue date Apr 21, 2015
- API Intellectual Property Holdings, LLC
- Adriaan Van Heiningen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Circular utilization method in pulping and papermaking processes wi...
- Patent number 8,778,135
- Issue date Jul 15, 2014
- Shandong Tralin Paper Co., Ltd.
- Hongfa Li
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Arrangement for the adjustment of equipment for a boiler
- Patent number 8,443,764
- Issue date May 21, 2013
- Metso Power AB
- Ola Herstad
- 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
Polysulfide measurement methods using colormetric techniques
- Patent number 6,875,414
- Issue date Apr 5, 2005
- American Air Liquide, Inc.
- V. S. Meenakshi Sundaram
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Determination of ionic species concentration by near infrared spect...
- Patent number 6,339,222
- Issue date Jan 15, 2002
- Kvaerner Canada Inc.
- Michael Kester
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for fractionating sulphite cooking liquor
- Patent number 5,637,225
- Issue date Jun 10, 1997
- Xyrofin Oy
- Heikki Heikkila
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for recycling sulfur dioxide from sulfite pulping liquors
- Patent number 5,096,540
- Issue date Mar 17, 1992
- Nancy J. Sell
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for decreasing the tendency to form deposits in plants for...
- Patent number 4,941,946
- Issue date Jul 17, 1990
- Metallgesellschaft Aktiengesellschaft
- Manfred Henn
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Sulfite cooking method for the production of cellulose from materia...
- Patent number 4,767,500
- Issue date Aug 30, 1988
- Kraftanlagen Aktiengesellschaft
- Rudolf Patt
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for recovery and reuse of ammonia in ammonia-base sulfite co...
- Patent number 4,336,102
- Issue date Jun 22, 1982
- Combustion Engineering, Inc.
- Lawrence J. Jacobs
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
3927174
- Patent number 3,927,174
- Issue date Dec 16, 1975
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
3884751
- Patent number 3,884,751
- Issue date May 20, 1975
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
3873415
- Patent number 3,873,415
- Issue date Mar 25, 1975
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
3864192
- Patent number 3,864,192
- Issue date Feb 4, 1975
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
3836427
- Patent number 3,836,427
- Issue date Sep 17, 1974
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
3819802
- Patent number 3,819,802
- Issue date Jun 25, 1974
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
3812235
- Patent number 3,812,235
- Issue date May 21, 1974
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
3794718
- Patent number 3,794,718
- Issue date Feb 26, 1974
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
3740309
- Patent number 3,740,309
- Issue date Jun 19, 1973
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
3717545
- Patent number 3,717,545
- Issue date Feb 20, 1973
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
3397957
- Patent number 3,397,957
- Issue date Aug 20, 1968
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
3248169
- Patent number 3,248,169
- Issue date Apr 26, 1966
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
3111378
- Patent number 3,111,378
- Issue date Nov 19, 1963
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
3025222
- Patent number 3,025,222
- Issue date Mar 13, 1962
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
2947656
- Patent number 2,947,656
- Issue date Aug 2, 1960
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
2898994
- Patent number 2,898,994
- Issue date Aug 11, 1959
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
2792350
- Patent number 2,792,350
- Issue date May 14, 1957
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
TREATING BLACK LIQUOR WITH ACIDIC BIOMASS FOR LIGNIN RECOVERY
- Publication number 20240383937
- Publication date Nov 21, 2024
- SUNCARBON AB
- Daniela RUSANOVA-NAYDENOVA
- 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
METHOD AND SYSTEM FOR PRODUCING LIGNIN
- Publication number 20240287737
- Publication date Aug 29, 2024
- VALMET AB
- Henrik WALLMO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
CHEMICALLY MODIFIED LIGNIN AS REDUCING AGENT FOR ENZYMATIC HYDROLYS...
- Publication number 20220090155
- Publication date Mar 24, 2022
- BORREGAARD AS
- Oskar Bengtsson
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
CONDITIONING OF SO2-ETHANOL-WATER SPENT LIQUOR FOR FERMENTATION BY...
- Publication number 20140004582
- Publication date Jan 2, 2014
- API Intellectual Property Holdings, LLC
- Adriaan Van Heiningen
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
CIRCULAR UTILIZATION METHOD IN PULPING AND PAPERMAKING PROCESSES WI...
- Publication number 20120325421
- Publication date Dec 27, 2012
- SHANDONG TRALIN PAPER CO., LTD.
- Hongfa Li
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
LIGNOSULFONATE OF A CERTAIN QUALITY AND METHOD OF PREPARATION OF LI...
- Publication number 20120267064
- Publication date Oct 25, 2012
- Bengt Joensson
- C07 - ORGANIC CHEMISTRY
Information Patent Application
ARRANGEMENT FOR THE ADJUSTMENT OF EQUIPMENT FOR A BOILER
- Publication number 20100139580
- Publication date Jun 10, 2010
- Ola Herstad
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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
Method for recovery of pulping chemicals in an alkaline sulphite pu...
- Publication number 20040194900
- Publication date Oct 7, 2004
- Lennart Delin
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Polysulfide measurement methods using colormetric techniques
- Publication number 20030157017
- Publication date Aug 21, 2003
- American Air Liquide, Inc.
- V.S. Meenakshi Sundaram
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Determination of ionic species concentration by near infrared spect...
- Publication number 20020053640
- Publication date May 9, 2002
- Michael Kester
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

of acid, neutral or alkaline sulfite lye

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Lignosulfonate of a certain quality and method of preparation of li...

Method for producing bio-methanol at pulp mills

Conditioning of SO2-ethanol-water spent liquor for fermentation by...

Circular utilization method in pulping and papermaking processes wi...

Arrangement for the adjustment of equipment for a boiler

Method for recovering a low sodium content lignin fuel from black l...

Polysulfide measurement methods using colormetric techniques

Determination of ionic species concentration by near infrared spect...

Method for fractionating sulphite cooking liquor

Method for recycling sulfur dioxide from sulfite pulping liquors

Process for decreasing the tendency to form deposits in plants for...

Sulfite cooking method for the production of cellulose from materia...

Method for recovery and reuse of ammonia in ammonia-base sulfite co...

3927174

3884751

3873415

3864192

3836427

3819802

3812235

3794718

3740309

3717545

3397957

3248169

3111378

3025222

2947656

2898994

2792350

Patents Applicationslast 30 patents

TREATING BLACK LIQUOR WITH ACIDIC BIOMASS FOR LIGNIN RECOVERY

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

METHOD AND SYSTEM FOR PRODUCING LIGNIN

CHEMICALLY MODIFIED LIGNIN AS REDUCING AGENT FOR ENZYMATIC HYDROLYS...

CONDITIONING OF SO2-ETHANOL-WATER SPENT LIQUOR FOR FERMENTATION BY...

CIRCULAR UTILIZATION METHOD IN PULPING AND PAPERMAKING PROCESSES WI...

LIGNOSULFONATE OF A CERTAIN QUALITY AND METHOD OF PREPARATION OF LI...

ARRANGEMENT FOR THE ADJUSTMENT OF EQUIPMENT FOR A BOILER

Method For Recovering A Low Sodium Content Lignin Fuel From Black L...

Method for recovery of pulping chemicals in an alkaline sulphite pu...

Polysulfide measurement methods using colormetric techniques

Determination of ionic species concentration by near infrared spect...