NO305443B1 - FremgangsmÕte til bleking av masse - Google Patents

FremgangsmÕte til bleking av masse

Info

Publication number: NO305443B1
Authority: NO; Norway
Prior art keywords: bleaching pulp; bleaching; pulp
Prior art date: 1993-12-29

Application number

NO944994A

Other languages

English (en)

Other versions

NO944994D0 (no

NO944994L (no

Inventor

Jack Kogan

Michel Muguet

Original Assignee

L Air Liquide Sociutu Anonyme

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.)

1993-12-29

Filing date

1994-12-23

Publication date

1999-05-31

1994-12-23 Application filed by L Air Liquide Sociutu Anonyme filed Critical L Air Liquide Sociutu Anonyme

1994-12-23 Publication of NO944994D0 publication Critical patent/NO944994D0/no

1995-06-30 Publication of NO944994L publication Critical patent/NO944994L/no

1999-05-31 Publication of NO305443B1 publication Critical patent/NO305443B1/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
- D21C9/16—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
- D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
- D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Paper (AREA)
Enzymes And Modification Thereof (AREA)

NO944994A 1993-12-29 1994-12-23 FremgangsmÕte til bleking av masse NO305443B1 (no)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US17481093A	1993-12-29	1993-12-29

Publications (3)

Publication Number	Publication Date
NO944994D0 NO944994D0 (no)	1994-12-23
NO944994L NO944994L (no)	1995-06-30
NO305443B1 true NO305443B1 (no)	1999-05-31

Family

ID=22637612

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO944994A NO305443B1 (no)	1993-12-29	1994-12-23	FremgangsmÕte til bleking av masse

Country Status (8)

Country	Link
EP (1)	EP0661403B1 (no)
JP (1)	JPH07324293A (no)
CA (1)	CA2139145A1 (no)
DE (1)	DE69410971T2 (no)
DK (1)	DK0661403T3 (no)
ES (1)	ES2117199T3 (no)
FI (1)	FI946024A (no)
NO (1)	NO305443B1 (no)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE512126C2 (sv) *	1997-12-23	2000-01-31	Btg Kaelle Inventing Ab	Förfarande för bestämning av mängden/aktiviteten katalas före eller i samband med blekning av företrädesvis i en massasuspension ingående cellulosafibrer
GB0001417D0 (en) *	2000-01-22	2000-03-08	Albright & Wilson Uk Ltd	Bleaching pulp
WO2001094692A2 (en) *	2000-06-08	2001-12-13	Lonza Inc.	Aldehyde donors for stabilizing peroxides in papermaking applications
ITRM20030014A1 (it) *	2003-01-15	2004-07-16	Franco Cataldo	Procedimenti di inibizione dell'attivita' enzimatica e
EP2390408B1 (en) *	2010-05-31	2013-03-27	Kemira Oyj	Control of enzymes in the production of pulp

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB9206415D0 (en) *	1992-03-24	1992-05-06	Albright & Wilson	Stabilisation of bleach liquors

1994
- 1994-12-22 FI FI946024A patent/FI946024A/fi unknown
- 1994-12-23 NO NO944994A patent/NO305443B1/no not_active IP Right Cessation
- 1994-12-27 JP JP32580794A patent/JPH07324293A/ja active Pending
- 1994-12-27 EP EP19940120739 patent/EP0661403B1/en not_active Expired - Lifetime
- 1994-12-27 DE DE1994610971 patent/DE69410971T2/de not_active Expired - Fee Related
- 1994-12-27 ES ES94120739T patent/ES2117199T3/es not_active Expired - Lifetime
- 1994-12-27 DK DK94120739T patent/DK0661403T3/da active
- 1994-12-28 CA CA 2139145 patent/CA2139145A1/en not_active Abandoned

Also Published As

Publication number	Publication date
NO944994D0 (no)	1994-12-23
FI946024A0 (fi)	1994-12-22
EP0661403A1 (en)	1995-07-05
NO944994L (no)	1995-06-30
ES2117199T3 (es)	1998-08-01
FI946024A (fi)	1995-06-30
JPH07324293A (ja)	1995-12-12
CA2139145A1 (en)	1995-06-30
EP0661403B1 (en)	1998-06-10
DK0661403T3 (da)	1998-10-12
DE69410971D1 (de)	1998-07-16
DE69410971T2 (de)	1998-12-17

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Legal Events

Date	Code	Title	Description
2003-07-28	MM1K	Lapsed by not paying the annual fees	Free format text: LAPSED IN JUNE 2003