NO174900C - Fremgangsmåte for fremstilling av bleket lignocellulosemateriale - Google Patents
Fremgangsmåte for fremstilling av bleket lignocellulosematerialeInfo
- Publication number
- NO174900C NO174900C NO900631A NO900631A NO174900C NO 174900 C NO174900 C NO 174900C NO 900631 A NO900631 A NO 900631A NO 900631 A NO900631 A NO 900631A NO 174900 C NO174900 C NO 174900C
- Authority
- NO
- Norway
- Prior art keywords
- preparation
- lignocellulosic material
- bleached lignocellulosic
- bleached
- lignocellulosic
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Y—ENZYMES
- C12Y302/00—Hydrolases acting on glycosyl compounds, i.e. glycosylases (3.2)
- C12Y302/01—Glycosidases, i.e. enzymes hydrolysing O- and S-glycosyl compounds (3.2.1)
- C12Y302/01032—Xylan endo-1,3-beta-xylosidase (3.2.1.32), i.e. endo-1-3-beta-xylanase
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
- C12N9/14—Hydrolases (3)
- C12N9/24—Hydrolases (3) acting on glycosyl compounds (3.2)
- C12N9/2402—Hydrolases (3) acting on glycosyl compounds (3.2) hydrolysing O- and S- glycosyl compounds (3.2.1)
- C12N9/2477—Hemicellulases not provided in a preceding group
- C12N9/248—Xylanases
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Y—ENZYMES
- C12Y302/00—Hydrolases acting on glycosyl compounds, i.e. glycosylases (3.2)
- C12Y302/01—Glycosidases, i.e. enzymes hydrolysing O- and S-glycosyl compounds (3.2.1)
- C12Y302/01008—Endo-1,4-beta-xylanase (3.2.1.8)
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/005—Treatment of cellulose-containing material with microorganisms or enzymes
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Biochemistry (AREA)
- Zoology (AREA)
- Genetics & Genomics (AREA)
- General Health & Medical Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Microbiology (AREA)
- Biotechnology (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Medicinal Chemistry (AREA)
- Paper (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/308,529 US5179021A (en) | 1989-02-10 | 1989-02-10 | Pulp bleaching process comprising oxygen delignification and xylanase enzyme treatment |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| NO900631D0 NO900631D0 (no) | 1990-02-09 |
| NO900631L NO900631L (no) | 1990-08-13 |
| NO174900B NO174900B (no) | 1994-04-18 |
| NO174900C true NO174900C (no) | 1994-07-27 |
Family
ID=23194329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO900631A NO174900C (no) | 1989-02-10 | 1990-02-09 | Fremgangsmåte for fremstilling av bleket lignocellulosemateriale |
Country Status (17)
| Country | Link |
|---|---|
| US (1) | US5179021A (pt) |
| EP (1) | EP0386888B1 (pt) |
| JP (1) | JP2731617B2 (pt) |
| AR (1) | AR244827A1 (pt) |
| AT (1) | ATE104380T1 (pt) |
| AU (1) | AU629294B2 (pt) |
| BR (1) | BR9000589A (pt) |
| CA (1) | CA1339504C (pt) |
| DE (1) | DE69008010T2 (pt) |
| ES (1) | ES2063254T3 (pt) |
| FI (1) | FI94265C (pt) |
| MX (1) | MX168244B (pt) |
| MY (1) | MY106228A (pt) |
| NO (1) | NO174900C (pt) |
| NZ (1) | NZ232456A (pt) |
| PT (1) | PT93103B (pt) |
| ZA (1) | ZA90897B (pt) |
Families Citing this family (78)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE68914112T2 (de) * | 1988-11-23 | 1994-08-04 | Sandoz Ag | Benutzung von Enzymen von Aureobasidium Pullulans für das Bleichen von Zellstoff. |
| DK0487557T3 (da) * | 1989-08-14 | 1996-07-01 | Genencor Int Europ | Forbedring af pulpblegning |
| DK420289D0 (da) * | 1989-08-25 | 1989-08-25 | Novo Nordisk As | Fremgangsmaade til behandling af lignocellulosepulp |
| SE465320B (sv) * | 1990-01-10 | 1991-08-26 | Korsnaes Ab | Preparat som uppvisar enzymatisk delignifieringsaktivitet, saett att framstaella detsamma och tillaempningar daerav |
| US5837515A (en) * | 1990-05-16 | 1998-11-17 | Alko-Yhtiot Oy | Enzyme preparations and methods for their production |
| NZ239083A (en) * | 1990-07-24 | 1993-08-26 | Gist Brocades Nv | Endo-xylanase-containing silage composition |
| DE4129739A1 (de) * | 1990-09-11 | 1992-03-12 | Sandoz Ag | Chlorfreies bleichen von papierpulpe |
| FI905456L (fi) * | 1990-11-02 | 1992-05-03 | Enso Gutzeit Oy | Foerfarande foer blekning av cellulosamassa. |
| JPH04240287A (ja) * | 1991-01-21 | 1992-08-27 | Kobe Steel Ltd | パルプの漂白方法 |
| FR2672066B1 (fr) * | 1991-01-25 | 1997-01-31 | Du Pin Cellulose | Traitement enzymatique d'une pate ligno-cellulosique chimique. |
| AT400153B (de) * | 1991-05-02 | 1995-10-25 | Voest Alpine Ind Anlagen | Verfahren zum bleichen von xylan- und lignocellulosehältigen materialien |
| FI108800B (fi) * | 1991-05-07 | 2002-03-28 | Iogen Corp | Menetelmä ja laitteisto entsyymin käyttämiseksi paperimassan valmistuksessa ja valkaisussa |
| CA2044100A1 (en) * | 1991-06-07 | 1992-12-08 | Janice Hamilton | Biobleaching process |
| CA2048322A1 (en) * | 1991-08-08 | 1993-02-09 | Dieter Kluepfel | Xylanase for biobleaching |
| FI923585L (fi) * | 1991-08-14 | 1993-02-15 | Union Camp Patent Holding | Anvaendning av en tvaettpress i en alkalitillsatsprocess foer massa |
| US5431843A (en) * | 1991-09-04 | 1995-07-11 | The Clorox Company | Cleaning through perhydrolysis conducted in dense fluid medium |
| JP2525704B2 (ja) * | 1992-03-16 | 1996-08-21 | 日本製紙株式会社 | 積層板用原紙の製造法 |
| US5498534A (en) * | 1992-03-25 | 1996-03-12 | The United States Of America As Represented By The Secretary Of Agriculture | Method of removing color from wood pulp using xylanase from streptomyces roseiscleroticus NRRL B-11019 |
| JPH06116889A (ja) * | 1992-09-30 | 1994-04-26 | New Oji Paper Co Ltd | 木材化学パルプの漂白法 |
| IL108175A0 (en) * | 1992-12-24 | 1994-04-12 | Gist Brocades Nv | Cloning and expression of xylanase B |
| WO1994017237A1 (fr) * | 1993-01-22 | 1994-08-04 | Mitsubishi Paper Mills Limited | Procede de traitement de pre-blanchiment utilisant une enzyme pour la pate chimique |
| JPH06220786A (ja) * | 1993-01-25 | 1994-08-09 | Hokuetsu Paper Mills Ltd | パルプの漂白方法 |
| US6010594A (en) * | 1993-03-03 | 2000-01-04 | Ahlstrom Machinery Corporation | Method of bleaching pulp with chlorine-free chemicals wherein a complexing agent is added immediately after an ozone bleach stage |
| CA2150810A1 (en) * | 1993-03-12 | 1994-09-15 | Karl-Erik L. Eriksson | Process for bleaching pulp |
| JP3360694B2 (ja) * | 1993-06-16 | 2002-12-24 | 三菱瓦斯化学株式会社 | 製紙用化学パルプの脱リグニン漂白方法 |
| JP3262646B2 (ja) * | 1993-07-09 | 2002-03-04 | 日本製紙株式会社 | パルプの漂白方法 |
| BE1007272A3 (fr) * | 1993-07-15 | 1995-05-09 | Solvay | Procede pour le blanchiment d'une pate a papier. |
| BE1007651A3 (fr) * | 1993-10-22 | 1995-09-05 | Solvay Interox | Procede pour le blanchiment d'une pate a papier chimique. |
| US6210527B1 (en) | 1994-03-14 | 2001-04-03 | The Boc Group, Inc. | Pulp bleaching method wherein an ozone bleaching waste stream is scrubbed to form an oxygen containing stream |
| SE9401628L (sv) * | 1994-05-10 | 1995-11-11 | Stora Kopparbergs Bergslags Ab | Förfarande vid syrgasdelignifiering |
| US5582681A (en) * | 1994-06-29 | 1996-12-10 | Kimberly-Clark Corporation | Production of soft paper products from old newspaper |
| US6074527A (en) * | 1994-06-29 | 2000-06-13 | Kimberly-Clark Worldwide, Inc. | Production of soft paper products from coarse cellulosic fibers |
| US6001218A (en) * | 1994-06-29 | 1999-12-14 | Kimberly-Clark Worldwide, Inc. | Production of soft paper products from old newspaper |
| US5503709A (en) * | 1994-07-27 | 1996-04-02 | Burton; Steven W. | Environmentally improved process for preparing recycled lignocellulosic materials for bleaching |
| US5871730A (en) * | 1994-07-29 | 1999-02-16 | Universite De Sherbrooke | Thermostable xylanase DNA, protein and methods of use |
| US6300114B1 (en) | 1994-07-29 | 2001-10-09 | Rohm Enzyme Finland Oy | Sequences of xylanase and xylanase expression vectors |
| US7816129B2 (en) | 1994-07-29 | 2010-10-19 | Ab Enzymes Gmbh | Production and secretion of proteins of bacterial origin in filamentous fungi |
| US5935836A (en) * | 1994-07-29 | 1999-08-10 | Rohm Enzyme Finland Oy | Actinomadura xylanase sequences and methods of use |
| US5770012A (en) * | 1994-11-18 | 1998-06-23 | P. H. Glatfelter Co. | Process for treating paper machine stock containing bleached hardwood pulp with an enzyme mixture to reduce vessel element picking |
| US5725732A (en) * | 1994-11-18 | 1998-03-10 | P. H. Glatfelter Company | Process for treating hardwood pulp with an enzyme mixture to reduce vessel element picking |
| JP3610686B2 (ja) * | 1996-07-31 | 2005-01-19 | 王子製紙株式会社 | 印刷用塗被紙の製造方法 |
| WO1998006892A1 (en) * | 1996-08-16 | 1998-02-19 | International Paper Company | Enzymatic freeness enhancement |
| US6057438A (en) * | 1996-10-11 | 2000-05-02 | Eastman Chemical Company | Process for the co-production of dissolving-grade pulp and xylan |
| JP3511816B2 (ja) * | 1996-10-25 | 2004-03-29 | 王子製紙株式会社 | キャスト塗被紙およびその製造方法 |
| US6296736B1 (en) | 1997-10-30 | 2001-10-02 | Kimberly-Clark Worldwide, Inc. | Process for modifying pulp from recycled newspapers |
| JPH1181173A (ja) | 1997-09-01 | 1999-03-26 | Oji Paper Co Ltd | 漂白パルプの製造方法 |
| FI105334B (fi) * | 1997-09-10 | 2000-07-31 | Raisio Chem Oy | Tärkkelysmodifikaatti |
| US6387210B1 (en) | 1998-09-30 | 2002-05-14 | Kimberly-Clark Worldwide, Inc. | Method of making sanitary paper product from coarse fibers |
| US6942754B2 (en) | 1999-03-23 | 2005-09-13 | Oji Paper Co., Ltd. | Process for producing xylooligosaccharide from lignocellulose pulp |
| CA2627846C (en) * | 1999-03-23 | 2011-01-04 | Oji Paper Co., Ltd. | Process for bleaching lignocellulose pulp |
| US6824646B2 (en) * | 1999-03-23 | 2004-11-30 | Oji Paper Co., Ltd. | Process for oxygen bleaching and enzyme treating lignocellulosic pulp with liquid treatment and recovery |
| AU2002226210A1 (en) * | 2000-12-22 | 2002-07-08 | Iogen Bio-Products Corporation | Alkaline extraction stages comprising xylanase |
| AU2002229430A1 (en) | 2001-01-18 | 2002-07-30 | Iogen Bio-Products Corporation | Use of xylanase in pulp bleaching |
| EP1392915B1 (en) * | 2001-04-20 | 2008-03-12 | Enzymatic Deinking Technologies, LLC | Rapid triglyceride assay for use in pulp pitch control |
| WO2003074780A1 (en) * | 2002-03-06 | 2003-09-12 | Iogen Bio-Products Corporation | Xylanase treatment of chemical pulp |
| US7547534B2 (en) * | 2002-06-14 | 2009-06-16 | Verenium Corporation | Methods for making a composition to treat a wood, a pulp or a paper |
| SE0300801D0 (sv) * | 2003-03-21 | 2003-03-21 | Paul Gatenholm | Polymeric film or coating comprising hemicellulose |
| CN103484486B (zh) | 2003-07-02 | 2018-04-24 | 维莱尼姆公司 | 葡聚糖酶,编码它们的核酸以及制备和使用它们的方法 |
| EP1668113B1 (en) | 2003-08-11 | 2013-06-19 | Verenium Corporation | Laccases, nucleic acids encoding them and methods for making and using them |
| CN100372996C (zh) * | 2005-12-20 | 2008-03-05 | 新疆博湖苇业股份有限公司 | 改进的纸浆漂白工艺 |
| EP2548955A1 (en) | 2006-02-14 | 2013-01-23 | Verenium Corporation | Xylanases, nucleic acids encoding them and methods for making and using them |
| BRPI0714876B1 (pt) | 2006-08-04 | 2022-04-19 | Verenium Corporation | Ácido nucleico isolado, sintético ou recombinante, cassete de expressão, vetor ou veículo de clonagem, célula bacteriana, fúngica ou de levedura transformada, polipeptídeo isolado, sintético ou recombinante, composição, bem como métodos de produção e de usos dos mesmos |
| US7976677B2 (en) * | 2006-12-18 | 2011-07-12 | International Paper Company | Process of bleaching hardwood pulps in a D1 or D2 stage in a presence of a weak base |
| US7976676B2 (en) * | 2006-12-18 | 2011-07-12 | International Paper Company | Process of bleaching softwood pulps in a D1 or D2 stage in a presence of a weak base |
| US8262856B2 (en) * | 2007-06-18 | 2012-09-11 | Andritz Inc. | Processes and systems for the bleaching of lignocellulosic pulps following cooking with soda and anthraquinone |
| WO2009045627A2 (en) | 2007-10-03 | 2009-04-09 | Verenium Corporation | Xylanases, nucleic acids encoding them and methods for making and using them |
| CA2729802C (en) | 2008-07-02 | 2013-06-11 | Ciris Energy, Inc. | Method for optimizing in-situ bioconversion of carbon-bearing formations |
| WO2010089302A1 (en) | 2009-02-06 | 2010-08-12 | University Of Chile | Protein and dna sequence encoding a cold adapted xylanase |
| US20110108222A1 (en) * | 2009-11-11 | 2011-05-12 | International Paper Company | Effect of low dose xylanase on pulp in prebleach treatment process |
| CN102822346A (zh) | 2009-12-18 | 2012-12-12 | 西里斯能源公司 | 煤至甲烷和其它有用产物的生物气化 |
| CN103061185B (zh) * | 2012-12-21 | 2016-03-02 | 新疆博湖苇业股份有限公司 | 纸浆全无氯漂白方法 |
| ES2455491B2 (es) * | 2014-01-23 | 2014-08-06 | Universidad Politécnica de Madrid | Cepa de hongo Hormonema sp. CECT 13092 y procedimiento de aplicación para la deslignificación de biomasa lignocelulósica |
| US9926665B2 (en) * | 2016-02-25 | 2018-03-27 | International Paper Company | Crosslinked cellulose as precursor in production of high-grade cellulose derivatives and related technology |
| CN106012650A (zh) * | 2016-05-18 | 2016-10-12 | 宁夏紫荆花纸业有限公司 | 生物酶+碱法农作物秸秆制浆生产本色坐便用纸的方法 |
| US11352748B2 (en) | 2018-07-31 | 2022-06-07 | International Paper Company | Crosslinked pulps, cellulose ether products made therefrom; and related methods of making pulps and cellulose ether products |
| US11591751B2 (en) | 2019-09-17 | 2023-02-28 | Gpcp Ip Holdings Llc | High efficiency fiber bleaching process |
| US12286751B2 (en) | 2021-01-06 | 2025-04-29 | Gpcp Ip Holdings Llc | Oxygen treatment of high kappa fibers |
| US12435469B2 (en) | 2022-02-22 | 2025-10-07 | Gpcp Ip Holdings Llc | High yield chemical pulping and bleaching process |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2557894B1 (fr) * | 1984-01-10 | 1986-12-12 | Centre Tech Ind Papier | Procede de traitement de pates papetieres par une solution enzymatique favorisant la fibrillation et pates ainsi traitees. |
| US4687745A (en) * | 1985-07-15 | 1987-08-18 | Repligen Corporation | Use of rLDM™ 1-6 and other ligninolytic enzymes in the treatment of mechanical pulps |
| FR2604198B1 (fr) * | 1986-09-22 | 1989-07-07 | Du Pin Cellulose | Procede de traitement d'une pate papetiere par une solution enzymatique. |
-
1989
- 1989-02-10 US US07/308,529 patent/US5179021A/en not_active Expired - Lifetime
- 1989-09-28 CA CA000613965A patent/CA1339504C/en not_active Expired - Lifetime
-
1990
- 1990-02-07 ZA ZA90897A patent/ZA90897B/xx unknown
- 1990-02-09 PT PT93103A patent/PT93103B/pt not_active IP Right Cessation
- 1990-02-09 DE DE69008010T patent/DE69008010T2/de not_active Expired - Fee Related
- 1990-02-09 MX MX019442A patent/MX168244B/es unknown
- 1990-02-09 AT AT90301379T patent/ATE104380T1/de active
- 1990-02-09 FI FI900649A patent/FI94265C/fi active IP Right Grant
- 1990-02-09 EP EP90301379A patent/EP0386888B1/en not_active Revoked
- 1990-02-09 NZ NZ232456A patent/NZ232456A/en unknown
- 1990-02-09 AU AU49321/90A patent/AU629294B2/en not_active Ceased
- 1990-02-09 ES ES90301379T patent/ES2063254T3/es not_active Expired - Lifetime
- 1990-02-09 AR AR90316134A patent/AR244827A1/es active
- 1990-02-09 BR BR909000589A patent/BR9000589A/pt not_active IP Right Cessation
- 1990-02-09 MY MYPI90000212A patent/MY106228A/en unknown
- 1990-02-09 NO NO900631A patent/NO174900C/no not_active IP Right Cessation
- 1990-02-13 JP JP2029768A patent/JP2731617B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| ES2063254T3 (es) | 1995-01-01 |
| EP0386888A3 (en) | 1991-01-16 |
| JP2731617B2 (ja) | 1998-03-25 |
| BR9000589A (pt) | 1991-01-15 |
| DE69008010D1 (de) | 1994-05-19 |
| AU4932190A (en) | 1990-08-16 |
| MY106228A (en) | 1995-04-29 |
| AR244827A1 (es) | 1993-11-30 |
| FI94265C (fi) | 1995-08-10 |
| DE69008010T2 (de) | 1994-08-04 |
| ZA90897B (en) | 1990-11-28 |
| FI900649A0 (fi) | 1990-02-09 |
| NZ232456A (en) | 1992-02-25 |
| EP0386888B1 (en) | 1994-04-13 |
| NO900631L (no) | 1990-08-13 |
| MX168244B (es) | 1993-05-13 |
| NO174900B (no) | 1994-04-18 |
| PT93103B (pt) | 2001-05-31 |
| AU629294B2 (en) | 1992-10-01 |
| EP0386888A2 (en) | 1990-09-12 |
| JPH02264087A (ja) | 1990-10-26 |
| ATE104380T1 (de) | 1994-04-15 |
| NO900631D0 (no) | 1990-02-09 |
| US5179021A (en) | 1993-01-12 |
| PT93103A (pt) | 1990-08-31 |
| CA1339504C (en) | 1997-10-21 |
| FI94265B (fi) | 1995-04-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| NO174900C (no) | Fremgangsmåte for fremstilling av bleket lignocellulosemateriale | |
| NO178321C (no) | Fremgangsmåte for fremstilling av et næringsmiddelmateriale | |
| NO914809D0 (no) | Fremgangsmaate ved fremstilling av celluloseformlegemer | |
| FI903166A7 (fi) | Lignoselluloosamateriaalin entsymaattinen delignifiointi | |
| PT87507A (pt) | Improved polyethylene pulp and an improved process for the preparation thereof | |
| BR8902665A (pt) | Processo para deslignificacao de material lignocelulosico | |
| NO177496C (no) | Fremgangsmåte ved fremstilling av mono-N-alkylerte polyazamakrocykler | |
| PT85864A (en) | Process for the preparation of products containing fibers of lignocellulosic material | |
| BR9100592A (pt) | Processo para producao de polpa de material contendo lignocelulose | |
| FI91961C (fi) | Menetelmä (S)- -etyyli-2-okso-1-pyrrolidiiniasetamidin valmistamiseksi | |
| FI885089A7 (fi) | Menetelmä kuituaineksen hienontamiseksi | |
| FI934271L (fi) | Behandling av lignocellulosamaterial | |
| FI900582A7 (fi) | Menetelmä lignoselluloosaa sisältävän kuitumateriaalin valmistamiseksi kuitulevyjen tuotantoa varten | |
| FI890186A7 (fi) | Menetelmä 1-hydroksialkyyli-5-nitroimidatsolien valmistamiseksi | |
| IS3589A7 (is) | Aðferð við framleiðslu á efnasambandinu Indenoindoles I | |
| FI890185A7 (fi) | Menetelmä 1-alkyyli-5-nitroimidatsolien valmistamiseksi | |
| NO175664C (no) | Fremgangsmåte for fremstilling av bleket, törr, vegetabilsk masse | |
| NO176742C (no) | Fremgangsmåte for fremstilling av blekede vegetabilske masser | |
| FI890188A7 (fi) | Menetelmä 1-hydroksialkyyli-2-metyyli-5-nitroimidatsolien valmistamiseksi | |
| FI902417A7 (fi) | Menetelmä 3-eksometyleenikefaamisulfoksidiesterien valmistamiseksi | |
| FI902590A7 (fi) | Menetelmä 2-oksoindoli-1-karboksamidien valmistamiseksi | |
| SE453922B (sv) | Forfarande for jesning av sterkelsematerial | |
| NO170095C (no) | Fremgangsmaate for fremstilling av lignocellulosematerialprodukter | |
| NO177307C (no) | Fremgangsmåte for fremstilling av 2-diazo-3-trisubstituerte silyloksy-3-butenoatestere | |
| NO177681C (no) | Framgangsmåte for framstilling av konstruksjonsmateriale |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM1K | Lapsed by not paying the annual fees |
Free format text: LAPSED IN AUGUST 2002 |