NO903924L - PROCEDURE FOR WHEATING Pulp of wood. - Google Patents

PROCEDURE FOR WHEATING Pulp of wood.

Info

Publication number: NO903924L
Authority: NO; Norway
Prior art keywords: wheating; pulp; wood; procedure; wheating pulp
Prior art date: 1989-09-12

Application number

NO90903924A

Other languages

Norwegian (no)

Other versions

NO178201B (en

NO178201C (en

NO903924D0 (en

Inventor

Beat Gysin

Theophile Griessmann

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 GB898920596A external-priority patent/GB8920596D0/en

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

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

1990-09-10 Publication of NO903924D0 publication Critical patent/NO903924D0/en

1991-03-13 Publication of NO903924L publication Critical patent/NO903924L/en

1995-10-30 Publication of NO178201B publication Critical patent/NO178201B/en

1996-02-07 Publication of NO178201C publication Critical patent/NO178201C/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)
Chemical & Material Sciences (AREA)
Biochemistry (AREA)
Microbiology (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Paper (AREA)
Chemical And Physical Treatments For Wood And The Like (AREA)
Preparation Of Compounds By Using Micro-Organisms (AREA)
Enzymes And Modification Thereof (AREA)

NO903924A 1989-09-12 1990-09-10 Lignin-degrading enzymatic preparation for the treatment of wood pulp and method for bleaching of pulp NO178201C (en)

Applications Claiming Priority (2)

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

Publications (4)

Publication Number	Publication Date
NO903924D0 NO903924D0 (en)	1990-09-10
NO903924L true NO903924L (en)	1991-03-13
NO178201B NO178201B (en)	1995-10-30
NO178201C NO178201C (en)	1996-02-07

Family

ID=26295910

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO903924A NO178201C (en)	1989-09-12	1990-09-10	Lignin-degrading enzymatic preparation for the treatment of wood pulp and method for bleaching of 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
FI970158A7 (en) *	1997-01-14	1998-07-15	Neste Chemicals 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
AU606081B2 (en) *	1986-09-12	1991-01-31	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 ES ES90810681T patent/ES2067719T3/en not_active Expired - Lifetime
- 1990-09-10 DE DE69015294T patent/DE69015294T2/en not_active Expired - Fee Related
- 1990-09-10 FI FI904456A patent/FI904456A7/en not_active IP Right Cessation
- 1990-09-10 NO NO903924A patent/NO178201C/en unknown
- 1990-09-10 EP EP90810681A patent/EP0418201B1/en not_active Expired - Lifetime
- 1990-09-10 AU AU62323/90A patent/AU646403B2/en not_active Ceased
- 1990-09-11 CA CA002025079A patent/CA2025079A1/en not_active Abandoned
- 1990-09-11 PT PT95273A patent/PT95273A/en not_active Application Discontinuation
- 1990-09-11 BR BR909004525A patent/BR9004525A/en unknown
- 1990-09-12 JP JP2240171A patent/JPH03104993A/en active Pending

Also Published As

Publication number	Publication date
AU646403B2 (en)	1994-02-24
ES2067719T3 (en)	1995-04-01
BR9004525A (en)	1991-09-10
DE69015294D1 (en)	1995-02-02
FI904456A0 (en)	1990-09-10
EP0418201B1 (en)	1994-12-21
EP0418201A2 (en)	1991-03-20
PT95273A (en)	1991-05-22
NO178201B (en)	1995-10-30
FI904456A7 (en)	1991-03-13
JPH03104993A (en)	1991-05-01
EP0418201A3 (en)	1992-09-23
CA2025079A1 (en)	1991-03-13
DE69015294T2 (en)	1995-05-18
NO178201C (en)	1996-02-07
NO903924D0 (en)	1990-09-10
AU6232390A (en)	1991-03-21

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