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Shotaro Kiga, Naoshi Yoshida, Kenichi Edahiro and Tadashi Sakata received US Patent No. 4,208,246 on June 17, 1980, filed February 21, 1978. It was assigned to Nippon Soda Co Ltd.
The patent's abstract:
Diaphragms of deposited asbestos which are consolidated by a polymer are prepared by the steps of dispersing a polymer emulsion into asbestos fibers dispersed in an aqueous solution of a cellulose ether or a high molecular weight polyether polyol, depositing the asbestos fiber slurry on a metal screen cathode by means of filtration, and drying the deposited asbestos fibers. The asbestos fibers are deposited evenly on a cathode of commercial size and the diaphragms are consolidated satisfactorily by the polymer.
- Author
- Shotaro Kiga; Naoshi Yoshida; Kenichi Edahiro; Tadashi Sakata
- Published by
- US Patent and Trademark Office
- Series
- US Patent No. 4,208,246
- Date
- June 17, 1980
- Library no.
- ACL Doc 23154 · asbestosclaims.law/library/23154
- Rights
- US government work, in the public domain.
Read or download
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Where it was listed
- Asbestos, February 1981, in its patents department (the year's issues)
Cite this document
Shotaro Kiga, Naoshi Yoshida, Kenichi Edahiro, Tadashi Sakata. “Method of preparing asbestos diaphragms for electrolysis cell (US Patent 4,208,246, 1980).” June 17, 1980. US Patent No. 4,208,246. US Patent and Trademark Office. AsbestosClaims.Law Library, ACL Doc 23154. https://asbestosclaims.law/library/23154.
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