DE3889659T2 - Process for the production of microporous membranes from polyolefin with very high molecular weight. - Google Patents

Process for the production of microporous membranes from polyolefin with very high molecular weight.

Info

Publication number
DE3889659T2
DE3889659T2 DE19883889659 DE3889659T DE3889659T2 DE 3889659 T2 DE3889659 T2 DE 3889659T2 DE 19883889659 DE19883889659 DE 19883889659 DE 3889659 T DE3889659 T DE 3889659T DE 3889659 T2 DE3889659 T2 DE 3889659T2
Authority
DE
Germany
Prior art keywords
polyolefin
production
molecular weight
high molecular
microporous membranes
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE19883889659
Other languages
German (de)
Other versions
DE3889659D1 (en
Inventor
Koichi Kono
Rumi Iwasaki
Kenkichi Okamoto
Shuichi Sawada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tonen General Sekiyu KK
Original Assignee
Tonen Corp
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 Tonen Corp filed Critical Tonen Corp
Priority claimed from EP88306777A external-priority patent/EP0355214B1/en
Application granted granted Critical
Publication of DE3889659D1 publication Critical patent/DE3889659D1/en
Publication of DE3889659T2 publication Critical patent/DE3889659T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

DE19883889659 1988-07-22 1988-07-22 Process for the production of microporous membranes from polyolefin with very high molecular weight. Expired - Fee Related DE3889659T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP88306777A EP0355214B1 (en) 1987-04-30 1988-07-22 Process for producing microporous ultra-high molecular weight polyolefin membrane

Publications (2)

Publication Number Publication Date
DE3889659D1 DE3889659D1 (en) 1994-06-23
DE3889659T2 true DE3889659T2 (en) 1994-09-15

Family

ID=8200145

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19883889659 Expired - Fee Related DE3889659T2 (en) 1988-07-22 1988-07-22 Process for the production of microporous membranes from polyolefin with very high molecular weight.

Country Status (1)

Country Link
DE (1) DE3889659T2 (en)

Also Published As

Publication number Publication date
DE3889659D1 (en) 1994-06-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee