FI911963A0 - FOERFARANDE FOER BLEKNING AV MASSA. - Google Patents

FOERFARANDE FOER BLEKNING AV MASSA.

Info

Publication number: FI911963A0
Authority: FI; Finland
Prior art keywords: massa; foerfarande foer; blekning; foer blekning; foerfarande
Prior art date: 1990-04-25

Application number

FI911963A

Other languages

Finnish (fi)

Other versions

FI911963L (en

FI911963A7 (en

Inventor

Hajime Endo

Toshiyuki Aoki

Takashi Hamada

Original Assignee

Hoechst Japan

Miki Co Limited

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.)

1990-04-25

Filing date

1991-04-23

Publication date

1991-04-23

1991-04-23 Application filed by Hoechst Japan, Miki Co Limited filed Critical Hoechst Japan

1991-04-23 Publication of FI911963A0 publication Critical patent/FI911963A0/en

1991-10-26 Publication of FI911963L publication Critical patent/FI911963L/en

1991-10-26 Publication of FI911963A7 publication Critical patent/FI911963A7/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
- D21C9/16—Bleaching ; Apparatus therefor with per compounds
- D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
- 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)
Paper (AREA)
Detergent Compositions (AREA)

FI911963A 1990-04-25 1991-04-23 Method for bleaching pulp FI911963A7 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP2107397A JPH04108192A (en)	1990-04-25	1990-04-25	Method for bleaching pulp

Publications (3)

Publication Number	Publication Date
FI911963A0 true FI911963A0 (en)	1991-04-23
FI911963L FI911963L (en)	1991-10-26
FI911963A7 FI911963A7 (en)	1991-10-26

Family

ID=14458110

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI911963A FI911963A7 (en)	1990-04-25	1991-04-23	Method for bleaching pulp

Country Status (5)

Country	Link
EP (1)	EP0456032A1 (en)
JP (1)	JPH04108192A (en)
CA (1)	CA2041468A1 (en)
FI (1)	FI911963A7 (en)
NO (1)	NO911626L (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0634521A1 (en) *	1993-07-16	1995-01-18	Eka Nobel Ab	Method for bleaching lignocellulose-containing fibres
AU1584295A (en) *	1994-02-07	1995-08-21	Warwick International Group Limited	Pulp bleaching
US5770010A (en) *	1995-04-20	1998-06-23	R-J Holding Company	Pulping process employing nascent oxygen
GB2304126A (en) *	1995-08-10	1997-03-12	Warwick Int Group	Pulp treatment process
WO2000069778A1 (en) *	1999-05-17	2000-11-23	Buckman Laboratories International, Inc.	Methods of using percarboxylic acid or anions thereof and methods of making the same
GB9930175D0 (en) *	1999-12-22	2000-02-09	Warwick Int Group	Peroxyacid delivery process
ES2300713T3 (en) *	2004-06-14	2008-06-16	Warwick International Group Limited	ACTIVATOR FOR BLEACHING PAPER PASTE.
DE102009045628A1 (en)	2009-10-13	2011-04-14	Henkel Ag & Co. Kgaa	Bleach activators for processes for bleaching cellulosic fibers
US8845860B2 (en) *	2010-09-16	2014-09-30	Georgia-Pacific Consumer Products Lp	High brightness pulps from lignin rich waste papers
US9476014B2 (en)	2013-02-14	2016-10-25	II Joseph M. Galimi	Method for cleaning surfaces
CN116179010B (en) *	2023-02-28	2024-04-02	江苏理文造纸有限公司	Ink deinking agent and preparation method thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3687803A (en) *	1970-11-09	1972-08-29	American Cyanamid Co	Acid chloride activators for hydrogen peroxide bleaching
GB1383741A (en) *	1971-04-13	1974-02-12	Ciba Geigy Ag	Stabilisation of per-compounds

1990
- 1990-04-25 JP JP2107397A patent/JPH04108192A/en active Pending
1991
- 1991-04-23 FI FI911963A patent/FI911963A7/en unknown
- 1991-04-23 EP EP91106496A patent/EP0456032A1/en not_active Withdrawn
- 1991-04-24 NO NO91911626A patent/NO911626L/en unknown
- 1991-04-25 CA CA002041468A patent/CA2041468A1/en not_active Abandoned

Also Published As

Publication number	Publication date
FI911963L (en)	1991-10-26
NO911626D0 (en)	1991-04-24
CA2041468A1 (en)	1991-10-26
FI911963A7 (en)	1991-10-26
JPH04108192A (en)	1992-04-09
EP0456032A1 (en)	1991-11-13
NO911626L (en)	1991-10-28

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