FI923798A0 - FOERFARANDE FOER BLEKNING AV MASSA. - Google Patents

FOERFARANDE FOER BLEKNING AV MASSA.

Info

Publication number: FI923798A0
Authority: FI; Finland
Prior art keywords: massa; foerfarande foer; blekning; foer blekning; foerfarande
Prior art date: 1991-01-21

Application number

FI923798A

Other languages

Finnish (fi)

Other versions

FI923798A (en

Inventor

Tomoaki Nishida

Yoshinori Kashino

Yoshimasa Takahara

Kokki Sakai

Ryuichiro Kondo

Original Assignee

Kobe Steel Ltd

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.)

1991-01-21

Filing date

1992-08-24

Publication date

1992-08-24

1992-08-24 Application filed by Kobe Steel Ltd filed Critical Kobe Steel Ltd

1992-08-24 Publication of FI923798A publication Critical patent/FI923798A/en

1992-08-24 Publication of FI923798A0 publication Critical patent/FI923798A0/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
- 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
- D21C9/1026—Other features in bleaching processes
- D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Chemical & Material Sciences (AREA)
Biochemistry (AREA)
Microbiology (AREA)
Paper (AREA)

FI923798A 1991-01-21 1992-08-24 FOERFARANDE FOER BLEKNING AV MASSA. FI923798A0 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP3078159A JPH04240287A (en)	1991-01-21	1991-01-21	Bleaching of pulp
PCT/JP1992/000027 WO1992013131A1 (en)	1991-01-21	1992-01-16	Process for bleaching pulp

Publications (2)

Publication Number	Publication Date
FI923798A FI923798A (en)	1992-08-24
FI923798A0 true FI923798A0 (en)	1992-08-24

Family

ID=13654143

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI923798A FI923798A0 (en)	1991-01-21	1992-08-24	FOERFARANDE FOER BLEKNING AV MASSA.

Country Status (6)

Country	Link
JP (1)	JPH04240287A (en)
AU (1)	AU647891B2 (en)
CA (1)	CA2076679A1 (en)
FI (1)	FI923798A0 (en)
SE (1)	SE9202592L (en)
WO (1)	WO1992013131A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP3262646B2 (en) *	1993-07-09	2002-03-04	日本製紙株式会社	Pulp bleaching method
JPH0734396A (en) *	1993-07-15	1995-02-03	Nippon Paper Ind Co Ltd	Base paper for laminated sheet

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5468402A (en) *	1977-11-09	1979-06-01	Kogyo Gijutsuin	Property modification of biochemical pulp
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
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
ZA894239B (en) *	1988-06-08	1990-03-28	Int Paper Co	Enzymatic delignification of lignocellulosic material
JPH02118191A (en) *	1988-10-26	1990-05-02	Jujo Paper Co Ltd	Production of mechanical pulp for papermaking and production of paper
EP0373108A3 (en) *	1988-11-23	1992-03-04	Sandoz Ag	Process for bleaching pulp
DE68914112T2 (en) *	1988-11-23	1994-08-04	Sandoz Ag	Use of enzymes from Aureobasidium pullulans for pulp bleaching.
US5179021A (en) *	1989-02-10	1993-01-12	Gil Inc. (Now Ici Canada Inc.)	Pulp bleaching process comprising oxygen delignification and xylanase enzyme treatment
JPH02259180A (en) *	1989-03-29	1990-10-19	Kobe Steel Ltd	Production of pulp by microbial treatment
FI86896B (en) *	1989-05-04	1992-07-15	Enso Gutzeit Oy	FOERFARANDE FOER BLEKNING AV CELLULOSAMASSA.
ZA904441B (en) *	1989-06-22	1991-03-27	Int Paper Co	Enzymatic delignification of lignocellulosic material
FI92414B (en) *	1989-11-27	1994-07-29	Enso Gutzeit Oy	Process for mass production
JPH03220388A (en) *	1990-01-19	1991-09-27	Kobe Steel Ltd	Production of pulp
JPH03269188A (en) *	1990-03-16	1991-11-29	Oji Paper Co Ltd	Bleaching of alkali pulp

1991
- 1991-01-21 JP JP3078159A patent/JPH04240287A/en active Pending
1992
- 1992-01-16 AU AU11688/92A patent/AU647891B2/en not_active Ceased
- 1992-01-16 CA CA002076679A patent/CA2076679A1/en not_active Abandoned
- 1992-01-16 WO PCT/JP1992/000027 patent/WO1992013131A1/en active Application Filing
- 1992-08-24 FI FI923798A patent/FI923798A0/en not_active Application Discontinuation
- 1992-08-31 SE SE9202592A patent/SE9202592L/en not_active Application Discontinuation

Also Published As

Publication number	Publication date
FI923798A (en)	1992-08-24
WO1992013131A1 (en)	1992-08-06
JPH04240287A (en)	1992-08-27
SE9202592D0 (en)	1992-09-09
AU647891B2 (en)	1994-03-31
CA2076679A1 (en)	1992-07-22
SE9202592L (en)	1992-09-09
AU1168892A (en)	1992-08-27

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Legal Events

Date	Code	Title	Description
1996-08-08	FD	Application lapsed