ATE54476T1 - METHOD AND APPARATUS FOR BLEACHING PAPER PULP. - Google Patents

METHOD AND APPARATUS FOR BLEACHING PAPER PULP.

Info

Publication number
ATE54476T1
ATE54476T1 AT86402533T AT86402533T ATE54476T1 AT E54476 T1 ATE54476 T1 AT E54476T1 AT 86402533 T AT86402533 T AT 86402533T AT 86402533 T AT86402533 T AT 86402533T AT E54476 T1 ATE54476 T1 AT E54476T1
Authority
AT
Austria
Prior art keywords
paper pulp
bleaching paper
bleaching
pulp
paper
Prior art date
Application number
AT86402533T
Other languages
German (de)
Inventor
Arthur S Perkins
Jack A Davidson
Hong Lee Robert Gum
Derek Horney
Original Assignee
Liquid Air Canada
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 CA000507000A external-priority patent/CA1300320C/en
Application filed by Liquid Air Canada filed Critical Liquid Air Canada
Priority claimed from EP86402533A external-priority patent/EP0226495B1/en
Application granted granted Critical
Publication of ATE54476T1 publication Critical patent/ATE54476T1/en

Links

AT86402533T 1985-11-15 1986-11-14 METHOD AND APPARATUS FOR BLEACHING PAPER PULP. ATE54476T1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US79828685A 1985-11-15 1985-11-15
CA000507000A CA1300320C (en) 1985-11-15 1986-04-18 Pulp bleaching
EP86402533A EP0226495B1 (en) 1985-11-15 1986-11-14 Process and apparatus for bleaching paper pulp

Publications (1)

Publication Number Publication Date
ATE54476T1 true ATE54476T1 (en) 1990-07-15

Family

ID=27167598

Family Applications (1)

Application Number Title Priority Date Filing Date
AT86402533T ATE54476T1 (en) 1985-11-15 1986-11-14 METHOD AND APPARATUS FOR BLEACHING PAPER PULP.

Country Status (1)

Country Link
AT (1) ATE54476T1 (en)

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties