FI55693B - Alkaliskt massatillverkningsfoerfarande - Google Patents

Alkaliskt massatillverkningsfoerfarande

Info

Publication number
FI55693B
FI55693B FI236673A FI236673A FI55693B FI 55693 B FI55693 B FI 55693B FI 236673 A FI236673 A FI 236673A FI 236673 A FI236673 A FI 236673A FI 55693 B FI55693 B FI 55693B
Authority
FI
Finland
Prior art keywords
massatillverkningsfoerfarande
alkaliskt
alkaliskt massatillverkningsfoerfarande
Prior art date
Application number
FI236673A
Other languages
English (en)
Other versions
FI55693C (fi
Inventor
Alan R Procter
Garrick E Styan
Magnus G Vinje
Original Assignee
Mac Millan Bloedel Ltd
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 US00362009A external-priority patent/US3841962A/en
Application filed by Mac Millan Bloedel Ltd filed Critical Mac Millan Bloedel Ltd
Publication of FI55693B publication Critical patent/FI55693B/fi
Application granted granted Critical
Publication of FI55693C publication Critical patent/FI55693C/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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/04—Pretreatment of the finely-divided materials before digesting with acid reacting compounds
FI236673A 1972-07-31 1973-07-26 Alkaliskt massatillverkningsfoerfarande FI55693C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US27685372A 1972-07-31 1972-07-31
US00362009A US3841962A (en) 1972-07-31 1973-05-21 Hydrogen sulfide pretreatment of lignocellulosic materials in alkaline pulping processes

Publications (2)

Publication Number Publication Date
FI55693B true FI55693B (fi) 1979-05-31
FI55693C FI55693C (fi) 1979-09-10

Family

ID=26958163

Family Applications (1)

Application Number Title Priority Date Filing Date
FI236673A FI55693C (fi) 1972-07-31 1973-07-26 Alkaliskt massatillverkningsfoerfarande

Country Status (5)

Country Link
JP (1) JPS5217121B2 (fi)
FI (1) FI55693C (fi)
FR (1) FR2194840A1 (fi)
NO (1) NO137099C (fi)
SE (1) SE389135B (fi)

Also Published As

Publication number Publication date
FR2194840A1 (en) 1974-03-01
FR2194840B1 (fi) 1976-04-30
NO137099C (no) 1977-12-28
NO137099B (no) 1977-09-19
JPS4992302A (fi) 1974-09-03
SE389135B (sv) 1976-10-25
FI55693C (fi) 1979-09-10
JPS5217121B2 (fi) 1977-05-13

Similar Documents

Publication Publication Date Title
BE793731A (fr) Electrogenerateurs
BE794087A (nl) Polyepoxyden
BE793764A (fr) Integrerende weeginrichting
AT324072B (de) Wendelbohreb
BE790615A (fr) Houderdrager
AT353108B (de) Skibob
AT323930B (de) Untermatratze
BE793718A (fr) Aminobenzimidazoles
BE793745A (fr) Antistatische polystyreencomposities
FI53600C (fi) Automatisk kontrollanordning foer traeslipmaskin
BE791330A (fr) Houderdrager
BE795808A (fr) Amidazoles polysubstitues
BE796355A (fr) Decalcomanies
AT322779B (de) Bücherbrett
AT335953B (de) Lauterboden
BE794891A (fr) Bigoudi
BE791976A (fr) Sandalette
BE794421A (fr) Verduurzaamde smeervetdsamenstellingen
BE793934A (fr) 15-oxasteroides
BE789465A (fr) Raamuitzetter
BE793926A (fr) Mengselscheiding
BE783144A (fr) Photometre - comparateur
ATA324376A (de) Mikroskopokular
BE782546A (fr) Aansluitdoos
BE779066A (fr) Herenjas