FI771783A - - Google Patents

Info

Publication number
FI771783A
FI771783A FI771783A FI771783A FI771783A FI 771783 A FI771783 A FI 771783A FI 771783 A FI771783 A FI 771783A FI 771783 A FI771783 A FI 771783A FI 771783 A FI771783 A FI 771783A
Authority
FI
Finland
Application number
FI771783A
Other languages
Finnish (fi)
Inventor
Mark Andrew Hannah
Original Assignee
Crown Zellerbach Corp
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
Application filed by Crown Zellerbach Corp filed Critical Crown Zellerbach Corp
Publication of FI771783A publication Critical patent/FI771783A/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
    • D21C3/263—Multistage processes at least one stage being in presence of oxygen
FI771783A 1976-06-28 1977-06-03 FI771783A (ro)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/700,247 US4080248A (en) 1976-06-28 1976-06-28 Two-stage oxygen pulping

Publications (1)

Publication Number Publication Date
FI771783A true FI771783A (ro) 1977-12-29

Family

ID=24812763

Family Applications (1)

Application Number Title Priority Date Filing Date
FI771783A FI771783A (ro) 1976-06-28 1977-06-03

Country Status (8)

Country Link
US (1) US4080248A (ro)
JP (1) JPS532601A (ro)
CA (1) CA1080913A (ro)
DE (1) DE2716199A1 (ro)
FI (1) FI771783A (ro)
FR (1) FR2356764A1 (ro)
NO (1) NO772226L (ro)
SE (1) SE7704763L (ro)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6689944B1 (ja) * 2018-11-30 2020-04-28 大王製紙株式会社 トイレットペーパー

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2147618A (en) * 1936-04-01 1939-02-14 West Virginia Pulp & Paper Com Method of bleaching pulp
CA632280A (en) * 1958-07-02 1961-12-05 Kimberly-Clark Corporation Manufacture of bleached cellulosic products resistant to brightness reversion
SE343092B (ro) * 1970-06-22 1972-02-28 Mo Och Domsjoe Ab
US3843473A (en) * 1971-08-23 1974-10-22 Mo Och Domsjoe Ab Impregnation of cellulosic pulp under superatmospheric pressure with waste alkaline oxygan gas bleaching liquor followed by oxygen-alkali bleaching
SE373395B (sv) * 1972-12-19 1975-02-03 Mo Och Domsjoe Ab Forfarande for framstellning av cellulosamassa med hog ljushet genom uppslutning av ved med syrgas under tryck i nervaro av en kokvetska forsatt med basiska neutralisationsmedel

Also Published As

Publication number Publication date
CA1080913A (en) 1980-07-08
FR2356764A1 (fr) 1978-01-27
NO772226L (no) 1977-12-29
SE7704763L (sv) 1977-12-29
JPS532601A (en) 1978-01-11
DE2716199A1 (de) 1978-01-05
US4080248A (en) 1978-03-21

Similar Documents

Publication Publication Date Title
CH637799B (ro)
JPS52120818U (ro)
JPS535901U (ro)
JPS5629760Y2 (ro)
JPS565705B2 (ro)
FI771783A (ro)
JPS536474U (ro)
JPS5367441U (ro)
JPS5714022Y2 (ro)
JPS563165Y2 (ro)
JPS5386562U (ro)
JPS5344228U (ro)
CS173369B1 (ro)
CS178379B1 (ro)
JPS52105313U (ro)
JPS5265510U (ro)
JPS53152475U (ro)
JPS5368557U (ro)
JPS536782U (ro)
CH608555A5 (ro)
CH601738A5 (ro)
DD123165A1 (ro)
CH606680A5 (ro)
DD123521A1 (ro)
DD123558A1 (ro)

Legal Events

Date Code Title Description
FD Application lapsed

Owner name: CROWN ZELLERBACH CORPORATION