FI54941B - Foerfarande foer framstaellning av cellulosa innehaollande oever 90 vikt-% alfa-cellulosa genom sulfatprocess - Google Patents

Foerfarande foer framstaellning av cellulosa innehaollande oever 90 vikt-% alfa-cellulosa genom sulfatprocess

Info

Publication number
FI54941B
FI54941B FI772042A FI772042A FI54941B FI 54941 B FI54941 B FI 54941B FI 772042 A FI772042 A FI 772042A FI 772042 A FI772042 A FI 772042A FI 54941 B FI54941 B FI 54941B
Authority
FI
Finland
Prior art keywords
cellulosa
framstering
vikt
oever
innehaollande
Prior art date
Application number
FI772042A
Other languages
English (en)
Other versions
FI54941C (fi
Inventor
Erkki Hoeijer
Original Assignee
Kaukas Ab Oy
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 Kaukas Ab Oy filed Critical Kaukas Ab Oy
Priority to FI772042A priority Critical patent/FI54941C/fi
Priority to SE7806815A priority patent/SE436429B/sv
Priority to CS784215A priority patent/CS213345B2/cs
Priority to JP7846778A priority patent/JPS5415001A/ja
Priority to NO782250A priority patent/NO151475C/no
Priority to PL1978208012A priority patent/PL112256B1/pl
Priority to BR7804169A priority patent/BR7804169A/pt
Application granted granted Critical
Publication of FI54941B publication Critical patent/FI54941B/fi
Publication of FI54941C publication Critical patent/FI54941C/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
    • D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
FI772042A 1977-06-30 1977-06-30 Foerfarande foer framstaellning av cellulosa innehaollande oever 90 vikt-% alfa-cellulosa genom sulfatprocess FI54941C (fi)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FI772042A FI54941C (fi) 1977-06-30 1977-06-30 Foerfarande foer framstaellning av cellulosa innehaollande oever 90 vikt-% alfa-cellulosa genom sulfatprocess
SE7806815A SE436429B (sv) 1977-06-30 1978-06-13 Forfarande for framstellning av cellulosa, innehallande over 90 vikt-% alfa-cellulosa
CS784215A CS213345B2 (cs) 1977-06-30 1978-06-27 Způsob přípravy chemické buničiny
JP7846778A JPS5415001A (en) 1977-06-30 1978-06-28 Chemical pulp producing method
NO782250A NO151475C (no) 1977-06-30 1978-06-29 Fremgangsmaate ved kontinuerlig fremstilling av cellulose med hoeyt innhold av alfa-cellulose ved sulfat-prosess
PL1978208012A PL112256B1 (en) 1977-06-30 1978-06-29 Method of manufacturing pulp of very high alpha-cellulose content for chemical processing by means of sulphate process
BR7804169A BR7804169A (pt) 1977-06-30 1978-06-29 Processo para preparacao de polpa quimica com um teor muito alto de alfa-celulose por meio de um processo kraft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI772042A FI54941C (fi) 1977-06-30 1977-06-30 Foerfarande foer framstaellning av cellulosa innehaollande oever 90 vikt-% alfa-cellulosa genom sulfatprocess

Publications (2)

Publication Number Publication Date
FI54941B true FI54941B (fi) 1978-12-29
FI54941C FI54941C (fi) 1979-04-10

Family

ID=8510942

Family Applications (1)

Application Number Title Priority Date Filing Date
FI772042A FI54941C (fi) 1977-06-30 1977-06-30 Foerfarande foer framstaellning av cellulosa innehaollande oever 90 vikt-% alfa-cellulosa genom sulfatprocess

Country Status (7)

Country Link
JP (1) JPS5415001A (fi)
BR (1) BR7804169A (fi)
CS (1) CS213345B2 (fi)
FI (1) FI54941C (fi)
NO (1) NO151475C (fi)
PL (1) PL112256B1 (fi)
SE (1) SE436429B (fi)

Also Published As

Publication number Publication date
NO151475B (no) 1985-01-02
NO151475C (no) 1985-04-17
FI54941C (fi) 1979-04-10
CS213345B2 (cs) 1982-04-09
SE436429B (sv) 1984-12-10
SE7806815L (sv) 1978-12-31
BR7804169A (pt) 1979-02-28
PL208012A1 (pl) 1979-03-12
NO782250L (no) 1979-01-03
PL112256B1 (en) 1980-10-31
JPS5415001A (en) 1979-02-03

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: OY KAUKAS AB