ATE135429T1 - Verfahren zur reduzierung von restchlor in laubholz-zellstoff - Google Patents

Verfahren zur reduzierung von restchlor in laubholz-zellstoff

Info

Publication number: ATE135429T1
Authority: AT; Austria
Prior art keywords: pulp; hardwood; residual chlorine; chlorine content; enzyme
Prior art date: 1988-03-14

Application number

AT89903748T

Other languages

German (de)

English (en)

Inventor

Mirja Salkinoja-Salonen

Marja Vaheri

Marja Koljonen

Original Assignee

Genencor Int Europ

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1988-03-14

Filing date

1989-03-13

Publication date

1996-03-15

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8526077&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE135429(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1989-03-13 Application filed by Genencor Int Europ filed Critical Genencor Int Europ

1996-03-15 Application granted granted Critical

1996-03-15 Publication of ATE135429T1 publication Critical patent/ATE135429T1/de

Links

229910052801 chlorine Inorganic materials 0.000 title abstract 6
239000000460 chlorine Substances 0.000 title abstract 6
238000000034 method Methods 0.000 title abstract 2
KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 title 1
ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract 5
102000004190 Enzymes Human genes 0.000 abstract 3
108090000790 Enzymes Proteins 0.000 abstract 3
229920002678 cellulose Polymers 0.000 abstract 3
239000001913 cellulose Substances 0.000 abstract 3
239000011121 hardwood Substances 0.000 abstract 3
238000004061 bleaching Methods 0.000 abstract 2
239000000126 substance Substances 0.000 abstract 2
HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 abstract 1
231100000331 toxic Toxicity 0.000 abstract 1
230000002588 toxic effect Effects 0.000 abstract 1

Classifications

- 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
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
- D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
- 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
- D21C9/1026—Other features in bleaching processes

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Paper (AREA)
Polysaccharides And Polysaccharide Derivatives (AREA)
Investigating Or Analysing Biological Materials (AREA)
Chemical And Physical Treatments For Wood And The Like (AREA)
Detergent Compositions (AREA)
Preparation Of Compounds By Using Micro-Organisms (AREA)
Hard Magnetic Materials (AREA)
Agricultural Chemicals And Associated Chemicals (AREA)

AT89903748T 1988-03-14 1989-03-13 Verfahren zur reduzierung von restchlor in laubholz-zellstoff ATE135429T1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FI881192A FI81395B (fi)	1988-03-14	1988-03-14	Foerfarande foer blekning av cellulosamassa.

Publications (1)

Publication Number	Publication Date
ATE135429T1 true ATE135429T1 (de)	1996-03-15

Family

ID=8526077

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT89903748T ATE135429T1 (de)	1988-03-14	1989-03-13	Verfahren zur reduzierung von restchlor in laubholz-zellstoff

Country Status (12)

Country	Link
EP (1)	EP0407421B1 (da)
JP (1)	JPH03505758A (da)
AT (1)	ATE135429T1 (da)
AU (1)	AU626846B2 (da)
BR (1)	BR8907314A (da)
CA (1)	CA1334581C (da)
DE (1)	DE68925967T2 (da)
DK (1)	DK175185B1 (da)
FI (1)	FI81395B (da)
NO (1)	NO174722C (da)
NZ (1)	NZ228308A (da)
WO (1)	WO1989008738A1 (da)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5298405A (en) *	1986-04-30	1994-03-29	Alko Limited	Enzyme preparations with recombinantly-altered cellulose profiles and methods for their production
FI90888B (fi) *	1989-02-14	1993-12-31	Enso Gutzeit Oy	Menetelmä selluloosamassan valkaisemiseksi
FI86896B (fi) *	1989-05-04	1992-07-15	Enso Gutzeit Oy	Foerfarande foer blekning av cellulosamassa.
DK420289D0 (da) *	1989-08-25	1989-08-25	Novo Nordisk As	Fremgangsmaade til behandling af lignocellulosepulp
NZ235679A (en) *	1989-10-18	1993-01-27	Int Paper Co	Bleaching lignocellulosic pulp using (a) treatment with xylanase and (b) one or more chemical bleaching stages
SE465320B (sv) *	1990-01-10	1991-08-26	Korsnaes Ab	Preparat som uppvisar enzymatisk delignifieringsaktivitet, saett att framstaella detsamma och tillaempningar daerav
FI88315C (fi) *	1990-04-04	1993-04-26	Enso Gutzeit Oy	Foerfarande foer blekning av cellulosamassa
US5837515A (en) *	1990-05-16	1998-11-17	Alko-Yhtiot Oy	Enzyme preparations and methods for their production
GB9018426D0 (en) *	1990-08-22	1990-10-03	Sandoz Ltd	Improvements in or relating to novel compounds
NZ239500A (en) *	1990-08-24	1993-08-26	Novo Nordisk As	Xylanases obtained from bacillus pumilus and use in a lignocellulosic chemical pulping process
DE4129739A1 (de) *	1990-09-11	1992-03-12	Sandoz Ag	Chlorfreies bleichen von papierpulpe
FI108800B (fi) *	1991-05-07	2002-03-28	Iogen Corp	Menetelmä ja laitteisto entsyymin käyttämiseksi paperimassan valmistuksessa ja valkaisussa
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
US5369024A (en) *	1992-03-25	1994-11-29	The United States Of America As Represented By The Secretary Of Agriculture	Xylanase from streptomyces roseiscleroticus NRRL-11019 for removing color from kraft wood pulps
US5935836A (en) *	1994-07-29	1999-08-10	Rohm Enzyme Finland Oy	Actinomadura xylanase sequences and methods of use
US5871730A (en) *	1994-07-29	1999-02-16	Universite De Sherbrooke	Thermostable xylanase DNA, protein and methods of use
US7816129B2 (en)	1994-07-29	2010-10-19	Ab Enzymes Gmbh	Production and secretion of proteins of bacterial origin in filamentous fungi
US6300114B1 (en)	1994-07-29	2001-10-09	Rohm Enzyme Finland Oy	Sequences of xylanase and xylanase expression vectors
FI20031060L (fi)	2001-01-18	2003-09-11	Iogen Bio Produckts Corp	Ksylanaasikäsittelymenetelmiä valkaisussa
CA2477847A1 (en) *	2002-03-06	2003-09-12	Iogen Bio-Products Corporation	Xylanase treatment of chemical pulp
CN104963206A (zh) *	2014-12-11	2015-10-07	华东理工常熟研究院有限公司	酶改性纸浆纤维、木塑复合材料及其制备方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NZ216726A (en) *	1985-07-15	1990-08-28	Repligen Corp	Use of lignin-degrading enzymes from phanerochaete chrysosporium for treatment of wood pulp and e1 effluent
ZA894239B (en) *	1988-06-08	1990-03-28	Int Paper Co	Enzymatic delignification of lignocellulosic material
DE68914112T2 (de) *	1988-11-23	1994-08-04	Sandoz Ag	Benutzung von Enzymen von Aureobasidium Pullulans für das Bleichen von Zellstoff.

1988
- 1988-03-14 FI FI881192A patent/FI81395B/fi not_active Application Discontinuation
1989
- 1989-03-13 AT AT89903748T patent/ATE135429T1/de active
- 1989-03-13 CA CA000593523A patent/CA1334581C/en not_active Expired - Lifetime
- 1989-03-13 WO PCT/FI1989/000045 patent/WO1989008738A1/en not_active Ceased
- 1989-03-13 AU AU32923/89A patent/AU626846B2/en not_active Ceased
- 1989-03-13 NZ NZ228308A patent/NZ228308A/xx unknown
- 1989-03-13 EP EP89903748A patent/EP0407421B1/en not_active Revoked
- 1989-03-13 JP JP1502856A patent/JPH03505758A/ja active Pending
- 1989-03-13 BR BR898907314A patent/BR8907314A/pt not_active IP Right Cessation
- 1989-03-13 DE DE68925967T patent/DE68925967T2/de not_active Revoked
1990
- 1990-09-04 DK DK199002119A patent/DK175185B1/da not_active IP Right Cessation
- 1990-09-07 NO NO903913A patent/NO174722C/no not_active IP Right Cessation

Also Published As

Publication number	Publication date
NO174722B (no)	1994-03-14
AU626846B2 (en)	1992-08-13
FI881192A7 (fi)	1989-09-15
FI81395B (fi)	1990-06-29
DK211990A (da)	1990-11-07
DK175185B1 (da)	2004-06-28
WO1989008738A1 (en)	1989-09-21
EP0407421A1 (en)	1991-01-16
NZ228308A (en)	1990-06-26
DE68925967T2 (de)	1996-09-12
AU3292389A (en)	1989-10-05
JPH03505758A (ja)	1991-12-12
EP0407421B1 (en)	1996-03-13
DE68925967D1 (de)	1996-04-18
NO174722C (no)	1994-06-22
NO903913D0 (no)	1990-09-07
NO903913L (no)	1990-09-07
DK211990D0 (da)	1990-09-04
FI881192A0 (fi)	1988-03-14
BR8907314A (pt)	1991-03-19
CA1334581C (en)	1995-02-28

Legal Events

Date	Code	Title	Description
1996-09-15	UEP	Publication of translation of european patent specification

Publication	Publication Date	Title
ATE135429T1 (de)	1996-03-15	Verfahren zur reduzierung von restchlor in laubholz-zellstoff
ATE2018T1 (de)	1982-12-15	Verfahren zur delignifizierung und zum bleichen von chemischen und halbchemischen zellstoffen.
FI90888B (fi)	1993-12-31	Menetelmä selluloosamassan valkaisemiseksi
ATE48290T1 (de)	1989-12-15	Verfahren zur delignifizierung und bleiche von zellstoffen.
NO172355C (no)	1993-07-07	Fremgangsmaate for bleking av masse
DE3672577D1 (de)	1990-08-16	Verfahren zur bleiche und delignifizierung von zellstoffhaltigen produkten.
ATE132926T1 (de)	1996-01-15	Verfahren zur delignifizierung von chemischen zellstoffen
SE8100650L (sv)	1981-09-22	Sett att bleka lignocellulosamassa
SE8304254D0 (sv)	1983-08-03	Pappersframstellning
NO175105C (no)	1994-08-31	Fremgangsmåte for bleking av masse
ATE128498T1 (de)	1995-10-15	Verfahren zum bleichen von chemischem papierzellstoff.
ATE125588T1 (de)	1995-08-15	Behandlung der pulpe von cellulose material.
NO921737D0 (no)	1992-04-30	Behandling av masse for papirfremstilling
KR890005346A (ko)	1989-05-13	제지용 펄프의 제조방법
DE3674866D1 (de)	1990-11-15	Verfahren zur delignifizierung von zellulosematerialien.
NO168490C (no)	1992-02-26	Fremgangsmaate ved delignifisering av celluloseholdig materiale.
NO951464L (no)	1995-10-23	Fremgangsmåte til behandling av sulfittmasse för bleking med oksygenholdige kjemikalier
ATE35433T1 (de)	1988-07-15	Verfahren zur bereitstellung von chemischen holzpulpen hinsichtlich der bleiche.
NO912331L (no)	1991-06-17	Fremgangsmaate for bleking med nedsatt innhold av organiske klorider.
SE8704041D0 (sv)	1987-10-16	Sett vid blekning av cellulosamassa