FR1597604A - - Google Patents

Info

Publication number: FR1597604A
Authority: FR; France
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

Application number

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.)

1967-11-08

Filing date

1968-11-08

Publication date

1970-06-29

1968-11-08 Application filed filed Critical

1970-06-29 Application granted granted Critical

1970-06-29 Publication of FR1597604A publication Critical patent/FR1597604A/fr

Status Expired legal-status Critical Current

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
- D21C9/142—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 in a multistage process involving ClO2/Cl2 exclusively

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Paper (AREA)

FR1597604D 1967-11-08 1968-11-08 Expired FR1597604A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE1531767A SE311110B (fr)	1967-11-08	1967-11-08

Publications (1)

Publication Number	Publication Date
FR1597604A true FR1597604A (fr)	1970-06-29

Family

ID=20300480

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR1597604D Expired FR1597604A (fr)	1967-11-08	1968-11-08

Country Status (4)

Country	Link
FI (1)	FI44748B (fr)
FR (1)	FR1597604A (fr)
SE (1)	SE311110B (fr)
SU (1)	SU701546A3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE458209B (sv) *	1987-06-04	1989-03-06	Nils Bertil Carnoe	Saett att reducera miljoeskadliga klorfenolfoereningar vid klorblekning av cellulosamassa

1967
- 1967-11-08 SE SE1531767A patent/SE311110B/xx unknown
1968
- 1968-07-30 FI FI215368A patent/FI44748B/fi active
- 1968-11-01 SU SU681282321A patent/SU701546A3/ru active
- 1968-11-08 FR FR1597604D patent/FR1597604A/fr not_active Expired

Also Published As

Publication number	Publication date
FI44748B (fr)	1971-08-31
SU701546A3 (ru)	1979-11-30
SE311110B (fr)	1969-05-27

Publication	Publication Date	Title
AU425114B2 (fr)	1972-06-14
AU2277767A (fr)	1968-12-12
AU342066A (fr)	1968-09-19
AU2454867A (fr)	1969-01-16
AU2528767A (fr)	1970-01-08
AU1273466A (fr)	1969-04-24
AU3151267A (fr)	1968-01-08
AU610966A (fr)	1968-11-28
AU2256867A (fr)	1968-12-05
AU2116667A (fr)	1969-04-03
AU2977667A (fr)	1969-05-22
AU3189468A (fr)	1969-07-10
BE162295A (fr)
BE692199A (fr)	1967-06-16
AU25066A (fr)	1968-07-11
AU2406369A (fr)	1969-01-09
BE693070A (fr)	1967-07-24
AU408412B2 (fr)	1970-11-23
AU23366A (fr)	1968-07-11
AU459699A (fr)	1975-04-10
AU1868267A (fr)	1968-09-12
AU1763766A (fr)	1968-08-15
AU97666A (fr)	1968-08-01
BE692654A (fr)	1967-07-17
BE426053A (fr)

Legal Events

Date	Code	Title	Description
1984-09-21	ST	Notification of lapse