FI904456A7 - Method for bleaching pulp - Google Patents

Method for bleaching pulp Download PDF

Info

Publication number: FI904456A7
Authority: FI; Finland
Prior art keywords: bleaching pulp; bleaching; pulp
Prior art date: 1989-09-12

Application number

FI904456A

Other languages

Finnish (fi)

Swedish (sv)

Other versions

FI904456A0 (en

Inventor

Theophile Griessmann

Beat Gysin

Original Assignee

Sandoz Ag

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.)

1989-09-12

Filing date

1990-09-10

Publication date

1991-03-13

1989-09-12 Priority claimed from GB898920595A external-priority patent/GB8920595D0/en

1989-09-12 Priority claimed from GB898920596A external-priority patent/GB8920596D0/en

1990-09-10 Application filed by Sandoz Ag filed Critical Sandoz Ag

1990-09-10 Publication of FI904456A0 publication Critical patent/FI904456A0/en

1991-03-13 Publication of FI904456A7 publication Critical patent/FI904456A7/en

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
- D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
- 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

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Chemical & Material Sciences (AREA)
Biochemistry (AREA)
Microbiology (AREA)
Paper (AREA)
Preparation Of Compounds By Using Micro-Organisms (AREA)
Enzymes And Modification Thereof (AREA)
Chemical And Physical Treatments For Wood And The Like (AREA)

FI904456A 1989-09-12 1990-09-10 Method for bleaching pulp FI904456A7 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB898920595A GB8920595D0 (en)	1989-09-12	1989-09-12	Improvements in or relating to organic compounds
GB898920596A GB8920596D0 (en)	1989-09-12	1989-09-12	Improvements in or relating to organic compounds

Publications (2)

Publication Number	Publication Date
FI904456A0 FI904456A0 (en)	1990-09-10
FI904456A7 true FI904456A7 (en)	1991-03-13

Family

ID=26295910

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI904456A FI904456A7 (en)	1989-09-12	1990-09-10	Method for bleaching pulp

Country Status (10)

Country	Link
EP (1)	EP0418201B1 (en)
JP (1)	JPH03104993A (en)
AU (1)	AU646403B2 (en)
BR (1)	BR9004525A (en)
CA (1)	CA2025079A1 (en)
DE (1)	DE69015294T2 (en)
ES (1)	ES2067719T3 (en)
FI (1)	FI904456A7 (en)
NO (1)	NO178201C (en)
PT (1)	PT95273A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH0691290A (en) *	1991-10-11	1994-04-05	Kobe Steel Ltd	Method for treating waste water from pulp bleaching
JP2525704B2 (en) *	1992-03-16	1996-08-21	日本製紙株式会社	Manufacturing method of laminated base paper
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
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
DE19632623A1 (en) *	1996-08-13	1998-02-19	Consortium Elektrochem Ind	Multi-component system for changing, breaking down or bleaching lignin, lignin-containing materials or similar substances as well as methods for their use
FI970158L (en)	1997-01-14	1998-07-15	Neste Oy	New fiberboard adhesive
US6372464B1 (en) *	2000-06-19	2002-04-16	Novozymes Biotech, Inc.	Polypeptides having peroxidase activity and nucleic acids encoding same
CN105082302A (en) *	2015-03-31	2015-11-25	西南林业大学	Manufacturing method of high-strength chipboard
CN113957737A (en) *	2021-11-10	2022-01-21	安徽鑫光新材料科技股份有限公司	Pollution-free pulping process by straw biological method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4690895A (en) *	1985-07-15	1987-09-01	Repligen Corporation	Use of rLDM™ 1-6 and other ligninolytic enzymes in the bleaching of kraft pulp
WO1988002023A1 (en) *	1986-09-12	1988-03-24	Sandoz Ag	Recombinant ligninase
DE3636208A1 (en) *	1986-10-24	1988-05-05	Call Hans Peter	METHOD FOR DELIGNIFYING AND WHICH BLEACHING LIGNICELLULOSE-CONTAINING OR LIGNINAL MATERIAL OR LIGNIN BY ENZYMATIC TREATMENT
US4830708A (en) *	1987-11-30	1989-05-16	Pulp And Paper Research Institute Of Canada	Direct biological bleaching of hardwood kraft pulp with the fungus Coriolus versicolor
ZA894239B (en) *	1988-06-08	1990-03-28	Int Paper Co	Enzymatic delignification of lignocellulosic material

1990
- 1990-09-10 EP EP90810681A patent/EP0418201B1/en not_active Expired - Lifetime
- 1990-09-10 FI FI904456A patent/FI904456A7/en not_active IP Right Cessation
- 1990-09-10 ES ES90810681T patent/ES2067719T3/en not_active Expired - Lifetime
- 1990-09-10 AU AU62323/90A patent/AU646403B2/en not_active Ceased
- 1990-09-10 NO NO903924A patent/NO178201C/en unknown
- 1990-09-10 DE DE69015294T patent/DE69015294T2/en not_active Expired - Fee Related
- 1990-09-11 PT PT95273A patent/PT95273A/en not_active Application Discontinuation
- 1990-09-11 BR BR909004525A patent/BR9004525A/en unknown
- 1990-09-11 CA CA002025079A patent/CA2025079A1/en not_active Abandoned
- 1990-09-12 JP JP2240171A patent/JPH03104993A/en active Pending

Also Published As

Publication number	Publication date
EP0418201B1 (en)	1994-12-21
EP0418201A2 (en)	1991-03-20
DE69015294D1 (en)	1995-02-02
DE69015294T2 (en)	1995-05-18
PT95273A (en)	1991-05-22
NO903924D0 (en)	1990-09-10
AU6232390A (en)	1991-03-21
AU646403B2 (en)	1994-02-24
JPH03104993A (en)	1991-05-01
FI904456A0 (en)	1990-09-10
NO903924L (en)	1991-03-13
BR9004525A (en)	1991-09-10
EP0418201A3 (en)	1992-09-23
NO178201C (en)	1996-02-07
NO178201B (en)	1995-10-30
CA2025079A1 (en)	1991-03-13
ES2067719T3 (en)	1995-04-01

Publication	Publication Date	Title
FI102194B1 (en)	1998-10-30	Method for bleaching pulp without chlorine
FI914538A7 (en)	1991-09-26	Improved method for preparing pulp
FI960145L (en)	1996-01-12	Method for making pulp
FI890772L (en)	1989-02-17	Bleaching method
FI911908L (en)	1991-10-24	Method for bleaching lignocellulosic material
FI890700L (en)	1990-08-15	Method for bleaching cellulose pulp
FI941764L (en)	1994-10-21	Method for bleaching lignocellulosic pulp
FI92414B (en)	1994-07-29	Method for making pulp
FI950526L (en)	1995-02-07	Pulp bleaching method
FI944318A7 (en)	1994-11-16	Method for bleaching hardwood pulp
FI906400A0 (en)	1990-12-27	Pulp bleaching method
FI932848A7 (en)	1993-12-19	Method for bleaching paper pulp
FI911963A7 (en)	1991-10-26	Method for bleaching pulp
FI904456A7 (en)	1991-03-13	Method for bleaching pulp
FI931710A7 (en)	1993-10-16	Method for bleaching de-inked pulp
FI905954A7 (en)	1992-06-04	Method for bleaching cellulose pulp
FI906401A0 (en)	1990-12-27	Pulp bleaching method
FI884881A7 (en)	1989-04-23	Pulp bleaching method
FI952551A7 (en)	1995-05-24	Method for bleaching lignocellulose-containing pulp
FI882448L (en)	1988-11-26	Method for preparing bleached chemithermomechanical pulp
FI905456A7 (en)	1992-05-03	Method for bleaching cellulose pulp
FI884558A7 (en)	1989-04-06	Method for bleaching mechanical pulp.
FI960972A0 (en)	1996-03-01	Method for bleaching lignocellulosic pulp
FI942424L (en)	1994-11-27	Improved method for pulp bleaching
FI881930A7 (en)	1988-04-25	Pulp bleaching method.

Legal Events

Date	Code	Title	Description
1997-04-08	FD	Application lapsed
2004-08-31	MM	Patent lapsed	Owner name: SANDOZ AG