ATE2232T1 - PROCESS FOR DELIGNIFICATION OF UNBLEACHED CHEMICAL PAPER PULP. - Google Patents

PROCESS FOR DELIGNIFICATION OF UNBLEACHED CHEMICAL PAPER PULP.

Info

Publication number
ATE2232T1
ATE2232T1 AT80400516T AT80400516T ATE2232T1 AT E2232 T1 ATE2232 T1 AT E2232T1 AT 80400516 T AT80400516 T AT 80400516T AT 80400516 T AT80400516 T AT 80400516T AT E2232 T1 ATE2232 T1 AT E2232T1
Authority
AT
Austria
Prior art keywords
delignification
paper pulp
chemical paper
unbleached chemical
unbleached
Prior art date
Application number
AT80400516T
Other languages
German (de)
Inventor
Jacques Carles
Henri Lemoyne
Original Assignee
La Cellulose Des Ardennes
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.)
Filing date
Publication date
Priority claimed from FR7909642A external-priority patent/FR2454479A1/en
Priority claimed from FR8007170A external-priority patent/FR2479295A2/en
Application filed by La Cellulose Des Ardennes filed Critical La Cellulose Des Ardennes
Priority claimed from EP80400516A external-priority patent/EP0018287B1/en
Application granted granted Critical
Publication of ATE2232T1 publication Critical patent/ATE2232T1/en

Links

AT80400516T 1979-04-17 1980-04-16 PROCESS FOR DELIGNIFICATION OF UNBLEACHED CHEMICAL PAPER PULP. ATE2232T1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR7909642A FR2454479A1 (en) 1979-04-17 1979-04-17 PROCESS FOR THE DELIGNIFICATION OF CHEMICAL PAPER PULP
FR8007170A FR2479295A2 (en) 1980-03-31 1980-03-31 Delignification of chemical pulp - by peroxide oxidation in alkaline medium followed by mechanical pressing
EP80400516A EP0018287B1 (en) 1979-04-17 1980-04-16 Process for the delignification of unbleached chemical paper pulp

Publications (1)

Publication Number Publication Date
ATE2232T1 true ATE2232T1 (en) 1983-01-15

Family

ID=27224909

Family Applications (1)

Application Number Title Priority Date Filing Date
AT80400516T ATE2232T1 (en) 1979-04-17 1980-04-16 PROCESS FOR DELIGNIFICATION OF UNBLEACHED CHEMICAL PAPER PULP.

Country Status (1)

Country Link
AT (1) ATE2232T1 (en)

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
EEIH Change in the person of patent owner
REN Ceased due to non-payment of the annual fee