Invention Grant
- Patent Title: Porous films of polytetrafluoroethylene and process for producing said films
- Patent Title (中): 聚四氟乙烯多孔薄膜及其制造方法
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Application No.: US620077Application Date: 1975-09-30
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Publication No.: US4049589APublication Date: 1977-09-20
- Inventor: Isamu Sakane
- Applicant: Isamu Sakane
- Applicant Address: JA Osaka
- Assignee: Sumitomo Electric Industries, Ltd.
- Current Assignee: Sumitomo Electric Industries, Ltd.
- Current Assignee Address: JA Osaka
- Priority: JA48-30832 19730319; JA48-30833 19730319; JA48-30834 19730319
- Main IPC: B29C43/00
- IPC: B29C43/00 ; B29C43/24 ; B29C47/00 ; B29C67/20 ; C08J5/18 ; C08L27/18 ; C08J9/24
Abstract:
A porous film of polytetrafluoroethylene having an accurately controlled pore diameter and a superior pore diameter distribution, and a process for preparing the film.
Public/Granted literature
- US6077995A Fungal gene encoding resistance to the phytotoxin cercosporin Public/Granted day:2000-06-20
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