NO923145D0 - Bleking av lignocellulosemateriale med dioksiraner - Google Patents

Bleking av lignocellulosemateriale med dioksiraner

Info

Publication number: NO923145D0
Authority: NO; Norway
Prior art keywords: dioxyranes; lignocellulos; bleaching; lignocellulos material
Prior art date: 1990-02-16

Application number

NO1992923145A

Other languages

English (en)

Other versions

NO923145L (no

Inventor

Chung-Li Lee

Original Assignee

Pulp Paper Res Inst

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.)

1990-02-16

Filing date

1992-08-12

Publication date

1992-08-12

1992-08-12 Application filed by Pulp Paper Res Inst filed Critical Pulp Paper Res Inst

1992-08-12 Publication of NO923145L publication Critical patent/NO923145L/no

1992-08-12 Publication of NO923145D0 publication Critical patent/NO923145D0/no

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
- D21C9/144—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 and other bleaching agents in a multistage process
- 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
- D21C9/16—Bleaching ; Apparatus therefor with per compounds
- 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
- D21C9/16—Bleaching ; Apparatus therefor with per compounds
- D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Paper (AREA)
Compounds Of Unknown Constitution (AREA)
Detergent Compositions (AREA)

NO1992923145A 1990-02-16 1992-08-12 Bleking av lignocellulosemateriale med dioksiraner NO923145D0 (no)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
PCT/CA1990/000052 WO1991012369A1 (en)	1990-02-16	1990-02-16	Bleaching of lignocellulosic material with dioxiranes

Publications (2)

Publication Number	Publication Date
NO923145L NO923145L (no)	1992-08-12
NO923145D0 true NO923145D0 (no)	1992-08-12

Family

ID=4172838

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO1992923145A NO923145D0 (no)	1990-02-16	1992-08-12	Bleking av lignocellulosemateriale med dioksiraner

Country Status (8)

Country	Link
EP (1)	EP0515362B1 (no)
JP (1)	JPH0718113B2 (no)
AU (1)	AU641640B2 (no)
BR (1)	BR9007993A (no)
DE (1)	DE69008870T2 (no)
FI (1)	FI102195B (no)
NO (1)	NO923145D0 (no)
WO (1)	WO1991012369A1 (no)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BR9205620A (pt) *	1991-02-12	1994-05-03	Pulp Paper Res Inst	Polpa quimica, e, processo de branqueamento de polpa quimica.
IT1251180B (it) *	1991-08-28	1995-05-04	Ausimont Spa	Processo per la degradazione della lignina con diossirani
US6706143B1 (en)	1996-03-19	2004-03-16	International Paper Company	Minimizing chlorinated organics in pulp bleaching processes
JP2002302888A (ja) *	2001-04-05	2002-10-18	Oji Paper Co Ltd	漂白パルプの製造方法

1990
- 1990-02-16 JP JP2503855A patent/JPH0718113B2/ja not_active Expired - Lifetime
- 1990-02-16 DE DE69008870T patent/DE69008870T2/de not_active Expired - Fee Related
- 1990-02-16 EP EP90903735A patent/EP0515362B1/en not_active Expired - Lifetime
- 1990-02-16 WO PCT/CA1990/000052 patent/WO1991012369A1/en active IP Right Grant
- 1990-02-16 BR BR909007993A patent/BR9007993A/pt unknown
- 1990-02-16 AU AU51686/90A patent/AU641640B2/en not_active Ceased
1992
- 1992-08-12 NO NO1992923145A patent/NO923145D0/no unknown
- 1992-08-14 FI FI923644A patent/FI102195B/fi active

Also Published As

Publication number	Publication date
FI923644A0 (fi)	1992-08-14
NO923145L (no)	1992-08-12
JPH05504173A (ja)	1993-07-01
JPH0718113B2 (ja)	1995-03-01
FI102195B1 (fi)	1998-10-30
AU641640B2 (en)	1993-09-30
DE69008870D1 (de)	1994-06-16
FI102195B (fi)	1998-10-30
EP0515362A1 (en)	1992-12-02
DE69008870T2 (de)	1994-08-18
BR9007993A (pt)	1992-10-13
WO1991012369A1 (en)	1991-08-22
AU5168690A (en)	1991-09-03
EP0515362B1 (en)	1994-05-11
FI923644A (fi)	1992-08-14

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