ES2062463T3 - Procedimiento de blanqueo de pastas celulosicas quimicas. - Google Patents

Procedimiento de blanqueo de pastas celulosicas quimicas.

Info

Publication number: ES2062463T3
Authority: ES; Spain
Prior art keywords: pasta; bleaching; chemical; bleaching procedure; procedure
Prior art date: 1989-12-11
Legal status (The legal status 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 status listed.): Expired - Lifetime

Application number

ES90403462T

Other languages

English (en)

Spanish (es)

Inventor

Alain M Siohan

Jean-Claude M Doignie

Jean-Claude M Pommier

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Cellulose du Pin SA

Original Assignee

Cellulose du Pin SA

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.)

1989-12-11

Filing date

1990-12-06

Publication date

1994-12-16

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9388342&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2062463(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1990-12-06 Application filed by Cellulose du Pin SA filed Critical Cellulose du Pin SA

1994-12-16 Application granted granted Critical

1994-12-16 Publication of ES2062463T3 publication Critical patent/ES2062463T3/es

2010-12-06 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

238000004061 bleaching Methods 0.000 title abstract 3
238000000034 method Methods 0.000 title abstract 3
239000000126 substance Substances 0.000 title abstract 3
235000015927 pasta Nutrition 0.000 title abstract 2
238000011282 treatment Methods 0.000 abstract 4
KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 abstract 2
229910052801 chlorine Inorganic materials 0.000 abstract 2
239000000460 chlorine Substances 0.000 abstract 2
230000002745 absorbent Effects 0.000 abstract 1
239000002250 absorbent Substances 0.000 abstract 1
239000007844 bleaching agent Substances 0.000 abstract 1

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
- D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Paper (AREA)
Polysaccharides And Polysaccharide Derivatives (AREA)
Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Noodles (AREA)

ES90403462T 1989-12-11 1990-12-06 Procedimiento de blanqueo de pastas celulosicas quimicas. Expired - Lifetime ES2062463T3 (es)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR8916322A FR2655668B1 (fr)	1989-12-11	1989-12-11	Procede de blanchiment de pates cellulosiques chimiques.

Publications (1)

Publication Number	Publication Date
ES2062463T3 true ES2062463T3 (es)	1994-12-16

Family

ID=9388342

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES90403462T Expired - Lifetime ES2062463T3 (es)	1989-12-11	1990-12-06	Procedimiento de blanqueo de pastas celulosicas quimicas.

Country Status (8)

Country	Link
EP (1)	EP0433138B1 (de)
AT (1)	ATE110129T1 (de)
DE (1)	DE69011636T2 (de)
DK (1)	DK0433138T3 (de)
ES (1)	ES2062463T3 (de)
FI (1)	FI96784B (de)
FR (1)	FR2655668B1 (de)
NO (1)	NO176809C (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2695947B1 (fr) *	1992-09-18	1994-10-21	Saint Gobain Papier Bois Gie C	Procédé de blanchiment de pâtes cellulosiques chimiques.
FI925159A0 (fi) *	1992-11-13	1992-11-13	Ahlstroem Oy	Foerfarande foer blekning av massa
SE9301960L (sv) *	1993-06-08	1994-07-25	Kvaerner Pulping Tech	Blekning av kemisk massa med peroxid vid övertryck
BE1007700A3 (fr) *	1993-11-04	1995-10-03	Solvay Interox	Procede pour le blanchiment d'une pate a papier chimique.
FI944348A7 (fi) *	1994-09-19	1996-03-20	Andritz Oy	Menetelmä kraft-massan valkaisemiseksi
SE9402726L (sv) *	1994-08-16	1995-08-28	Kvaerner Pulping Tech	Bleksekvens för kemisk massa innefattande ett sulfonerande bleksteg
CA2211223C (en) *	1995-02-17	2002-04-30	Ahlstrom Machinery Oy	Method of pretreating pulp to be bleached with peroxide
FI105701B (fi) *	1995-10-20	2000-09-29	Ahlstrom Machinery Oy	Menetelmä ja laitteisto massan käsittelemiseksi
EP0866895B1 (de) *	1995-12-07	2000-06-14	Beloit Technologies, Inc.	Delignifizierung eines papierzellstoffs mittlerer konsistenz mittels sauerstoff
DE102012009593B4 (de)	2012-05-07	2019-03-07	Innovent E.V.	Verfahren zum Abbau von Polysacchariden ausgewählt aus den Stoffgruppen der Glykosaminoglykane und deren Derivaten sowie der Alginate
EP4165243B1 (de) *	2020-06-16	2026-02-18	Kemira OYJ	Verfahren zur pechkontrolle während des bleichens

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE448006B (sv) *	1981-09-21	1987-01-12	Mo Och Domsjoe Ab	Forfarande for blekning av cellulosamassa innefattande ett aktiveringssteg med kveveoxider

1989
- 1989-12-11 FR FR8916322A patent/FR2655668B1/fr not_active Expired - Lifetime
1990
- 1990-12-06 ES ES90403462T patent/ES2062463T3/es not_active Expired - Lifetime
- 1990-12-06 EP EP90403462A patent/EP0433138B1/de not_active Expired - Lifetime
- 1990-12-06 AT AT90403462T patent/ATE110129T1/de not_active IP Right Cessation
- 1990-12-06 DK DK90403462.6T patent/DK0433138T3/da active
- 1990-12-06 DE DE69011636T patent/DE69011636T2/de not_active Expired - Lifetime
- 1990-12-10 NO NO905333A patent/NO176809C/no not_active IP Right Cessation
- 1990-12-10 FI FI906076A patent/FI96784B/fi active IP Right Grant

Also Published As

Publication number	Publication date
EP0433138B1 (de)	1994-08-17
NO176809C (no)	1995-05-31
NO176809B (no)	1995-02-20
ATE110129T1 (de)	1994-09-15
NO905333L (no)	1991-06-12
DK0433138T3 (da)	1994-12-05
FR2655668A1 (fr)	1991-06-14
FI906076A0 (fi)	1990-12-10
DE69011636D1 (de)	1994-09-22
FR2655668B1 (fr)	1995-06-09
EP0433138A1 (de)	1991-06-19
FI906076L (fi)	1991-06-12
DE69011636T2 (de)	1995-01-26
FI96784B (fi)	1996-05-15
NO905333D0 (no)	1990-12-10

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Legal Events

Date

Code

Title

Description

1994-12-16

FG2A

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