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Luigi Giuffre, Vittorio De Nora and Placido Spaziante received US Patent No. 4,056,447 on November 1, 1977, filed December 6, 1976.
The patent's abstract:
Novel composite material comprising a supporting matrix of inert fibers impregnated with a halogenated copolymer of divinyl benzene and styrene containing sulfonic acid groups copolymerized directly on the fiber material in the absence of a solvent which remains dimensionally stable under electrolysis conditions in diaphragm cells and the method of making them and the method of electrolyzing alkali metal halide solutions in a diaphragm cell equipped with a diaphragm made of said impregnated composite diaphragm material.
- Author
- Luigi Giuffre; Vittorio De Nora; Placido Spaziante
- Published by
- US Patent and Trademark Office
- Series
- US Patent No. 4,056,447
- Date
- November 1, 1977
- Library no.
- ACL Doc 22233 · asbestosclaims.law/library/22233
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 5 pages · 562 KB
Where it was listed
- Asbestos, April 1978, in its patents department (the year's issues)
Cited on this site
Cite this document
Luigi Giuffre, Vittorio De Nora, Placido Spaziante. “Electrolyzing alkali metal chlorides using resin bonded asbestos diaphragm (US Patent 4,056,447, 1977).” November 1, 1977. US Patent No. 4,056,447. US Patent and Trademark Office. AsbestosClaims.Law Library, ACL Doc 22233. https://asbestosclaims.law/library/22233.
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