FI43668C - Puolikemiallisten ja kemiallismekaanisten massojen valmistusmenetelmä - Google Patents

Puolikemiallisten ja kemiallismekaanisten massojen valmistusmenetelmä

Info

Publication number
FI43668C
FI43668C FI86466A FI86466A FI43668C FI 43668 C FI43668 C FI 43668C FI 86466 A FI86466 A FI 86466A FI 86466 A FI86466 A FI 86466A FI 43668 C FI43668 C FI 43668C
Authority
FI
Finland
Prior art keywords
chemomechanical
pulps
semi
chemical
production
Prior art date
Application number
FI86466A
Other languages
English (en)
Finnish (fi)
Other versions
FI43668B (no
Inventor
Groth Bertil Sixten
Original Assignee
Defibrator Ab
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 Defibrator Ab filed Critical Defibrator Ab
Application granted granted Critical
Publication of FI43668B publication Critical patent/FI43668B/fi
Publication of FI43668C publication Critical patent/FI43668C/fi

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00Pulping cellulose-containing materials
    • D21C3/04Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
    • D21C3/06Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites
FI86466A 1965-04-02 1966-04-02 Puolikemiallisten ja kemiallismekaanisten massojen valmistusmenetelmä FI43668C (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE426965A SE306659B (no) 1965-04-02 1965-04-02

Publications (2)

Publication Number Publication Date
FI43668B FI43668B (no) 1971-02-01
FI43668C true FI43668C (fi) 1971-05-10

Family

ID=20263829

Family Applications (1)

Application Number Title Priority Date Filing Date
FI86466A FI43668C (fi) 1965-04-02 1966-04-02 Puolikemiallisten ja kemiallismekaanisten massojen valmistusmenetelmä

Country Status (10)

Country Link
JP (1) JPS5335161B1 (no)
BE (1) BE678920A (no)
CH (1) CH479767A (no)
CS (1) CS150171B2 (no)
DE (1) DE1692844A1 (no)
FI (1) FI43668C (no)
FR (1) FR1474458A (no)
GB (1) GB1147433A (no)
NL (1) NL6604344A (no)
SE (1) SE306659B (no)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4174209A (en) * 1978-06-19 1979-11-13 Eli Lilly And Company Herbicidal 1-alkyl-3-phenylpyridinium salts

Also Published As

Publication number Publication date
DE1692844A1 (de) 1971-10-28
FI43668B (no) 1971-02-01
CH479767A (de) 1969-10-15
BE678920A (no) 1966-10-03
GB1147433A (en) 1969-04-02
NL6604344A (no) 1966-10-03
CS150171B2 (no) 1973-09-04
JPS5335161B1 (no) 1978-09-26
FR1474458A (fr) 1967-03-24
SE306659B (no) 1968-12-02

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