FI782342A - Foerfarande foer framstaellning av pappersmassa - Google Patents

Foerfarande foer framstaellning av pappersmassa

Info

Publication number
FI782342A
FI782342A FI782342A FI782342A FI782342A FI 782342 A FI782342 A FI 782342A FI 782342 A FI782342 A FI 782342A FI 782342 A FI782342 A FI 782342A FI 782342 A FI782342 A FI 782342A
Authority
FI
Finland
Prior art keywords
pappersmassa
framstaellning
foer faring
faring
foer
Prior art date
Application number
FI782342A
Other languages
English (en)
Other versions
FI70440B (fi
FI70440C (fi
Inventor
Dominique Lachenal
Christian De Choudens
Pierre Monzie
Original Assignee
Ugine Kuhlmann
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 FR7724131A external-priority patent/FR2398839A1/fr
Priority claimed from FR7820715A external-priority patent/FR2430475A2/fr
Application filed by Ugine Kuhlmann filed Critical Ugine Kuhlmann
Publication of FI782342A publication Critical patent/FI782342A/fi
Publication of FI70440B publication Critical patent/FI70440B/fi
Application granted granted Critical
Publication of FI70440C publication Critical patent/FI70440C/fi

Links

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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/26—Multistage processes
FI782342A 1977-07-29 1978-07-27 Foerfarande foer framstaellning av kemikaliska pappersmassor FI70440C (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR7724131 1977-07-29
FR7724131A FR2398839A1 (fr) 1977-07-29 1977-07-29 Procede de fabrication de pates papetieres chimiques
FR7820715 1978-07-05
FR7820715A FR2430475A2 (fr) 1978-07-05 1978-07-05 Procede de fabrication de pates papetieres chimiques

Publications (3)

Publication Number Publication Date
FI782342A true FI782342A (fi) 1979-01-30
FI70440B FI70440B (fi) 1986-03-27
FI70440C FI70440C (fi) 1986-09-19

Family

ID=26220161

Family Applications (1)

Application Number Title Priority Date Filing Date
FI782342A FI70440C (fi) 1977-07-29 1978-07-27 Foerfarande foer framstaellning av kemikaliska pappersmassor

Country Status (10)

Country Link
AT (1) AT371860B (fi)
BE (1) BE869153A (fi)
CA (1) CA1128260A (fi)
CH (1) CH634362A5 (fi)
DE (1) DE2833115C3 (fi)
ES (1) ES472184A1 (fi)
FI (1) FI70440C (fi)
IT (1) IT1160561B (fi)
NO (1) NO151975C (fi)
SE (1) SE439172B (fi)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2493365A1 (fr) * 1980-11-06 1982-05-07 Tech Ind Papiers Carton Centre Procede pour la fabrication de pate papetiere chimique et pate ainsi obtenue
IT202000019033A1 (it) * 2020-08-03 2022-02-03 Davide Bertinazzo Metodo per ottenere un precursore di un materiale ibrido legno-inorganico e metodo per ottenere un materiale ibrido legno-inorganico

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA895756A (en) * 1970-04-03 1972-03-21 Macmillan Bloedel Limited Two-stage soda-oxygen pulping
DE2327900C3 (de) * 1973-06-01 1985-02-07 Degussa Ag, 6000 Frankfurt Bleichaufschluß von Zellstoff mit erheblich reduziertem Chloreinsatz
CA1073161A (en) * 1975-09-05 1980-03-11 Canadian Industries Limited Delignification process

Also Published As

Publication number Publication date
AT371860B (de) 1983-08-10
NO151975B (no) 1985-04-01
ES472184A1 (es) 1979-02-16
SE7808202L (sv) 1979-01-30
IT1160561B (it) 1987-03-11
CH634362A5 (en) 1983-01-31
NO782573L (no) 1979-01-30
DE2833115C3 (de) 1986-04-17
CA1128260A (fr) 1982-07-27
ATA546578A (de) 1982-12-15
IT7868812A0 (it) 1978-07-28
FI70440B (fi) 1986-03-27
FI70440C (fi) 1986-09-19
NO151975C (no) 1985-07-10
BE869153A (fr) 1979-01-22
DE2833115A1 (de) 1979-02-08
DE2833115B2 (de) 1980-07-03
SE439172B (sv) 1985-06-03

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Legal Events

Date Code Title Description
MM Patent lapsed
MM Patent lapsed

Owner name: PRODUITS CHIMIQUES UGINE KUHLMANN