FI52747C - Menetelmä selluloosapitoisen aineen valkaisemiseksi happea sisältäväll ä kaasulla alkalisissa olosuhteissa. - Google Patents

Menetelmä selluloosapitoisen aineen valkaisemiseksi happea sisältäväll ä kaasulla alkalisissa olosuhteissa.

Info

Publication number
FI52747C
FI52747C FI760398A FI760398A FI52747C FI 52747 C FI52747 C FI 52747C FI 760398 A FI760398 A FI 760398A FI 760398 A FI760398 A FI 760398A FI 52747 C FI52747 C FI 52747C
Authority
FI
Finland
Prior art keywords
bleaching
alkali
oxygen
containing gas
cellulosic material
Prior art date
Application number
FI760398A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI52747B (https=
Inventor
Frey Viking Sundman
Original Assignee
Ahlstroem 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 Ahlstroem Oy filed Critical Ahlstroem Oy
Priority to FI760398A priority Critical patent/FI52747C/fi
Publication of FI52747B publication Critical patent/FI52747B/fi
Application granted granted Critical
Publication of FI52747C publication Critical patent/FI52747C/fi

Links

FI760398A 1976-02-18 1976-02-18 Menetelmä selluloosapitoisen aineen valkaisemiseksi happea sisältäväll ä kaasulla alkalisissa olosuhteissa. FI52747C (fi)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FI760398A FI52747C (fi) 1976-02-18 1976-02-18 Menetelmä selluloosapitoisen aineen valkaisemiseksi happea sisältäväll ä kaasulla alkalisissa olosuhteissa.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI760398A FI52747C (fi) 1976-02-18 1976-02-18 Menetelmä selluloosapitoisen aineen valkaisemiseksi happea sisältäväll ä kaasulla alkalisissa olosuhteissa.

Publications (2)

Publication Number Publication Date
FI52747B FI52747B (https=) 1977-08-01
FI52747C true FI52747C (fi) 1977-11-10

Family

ID=8509760

Family Applications (1)

Application Number Title Priority Date Filing Date
FI760398A FI52747C (fi) 1976-02-18 1976-02-18 Menetelmä selluloosapitoisen aineen valkaisemiseksi happea sisältäväll ä kaasulla alkalisissa olosuhteissa.

Country Status (1)

Country Link
FI (1) FI52747C (https=)

Also Published As

Publication number Publication date
FI52747B (https=) 1977-08-01

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: A. AHLSTROEM OSAKEYHTIOE