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Chen-Shen Wang received US Patent No. 4,152,494 on May 1, 1979, filed December 29, 1977.
The patent's abstract:
A low density, flame-resistant foamed composition is formed by heating a thorough mixture of branched polyphenylene and an inorganic fiber to above about 800 DEG F.
- Author
- Chen-Shen Wang
- Published by
- US Patent and Trademark Office
- Series
- US Patent No. 4,152,494
- Date
- May 1, 1979
- Library no.
- ACL Doc 22328 · asbestosclaims.law/library/22328
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 4 pages · 307 KB
Where it was listed
- Asbestos, November 1979, in its patents department (the year's issues)
Cite this document
Chen-Shen Wang. “Flame resistant, heat insulative foamed polyphenylenes (US Patent 4,152,494, 1979).” May 1, 1979. US Patent No. 4,152,494. US Patent and Trademark Office. AsbestosClaims.Law Library, ACL Doc 22328. https://asbestosclaims.law/library/22328.
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