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Harutoshi Ueda, Naoyuki Suzuki and Masami Nagao received US Patent No. 3,988,402 on October 26, 1976, filed September 27, 1974. It was assigned to Sekisui Chemical Co Ltd.
The patent's abstract:
A non-combustible molding material is produced from (a) a hydraulic inorganic mixture consisting of an inorganic substance composed predominantly of silica and an inorganic substance predominantly of calcium oxide, (b) mineral fibers, and (c) a substance selected from the group consisting bitumen, crystalline aluminum oxide, sulfur, metal sulfide and vanadum oxide. A non-combustible molded article having superior flexural strength and low water absorption can be prepared using said material.
- Author
- Harutoshi Ueda; Naoyuki Suzuki; Masami Nagao
- Published by
- US Patent and Trademark Office
- Series
- US Patent No. 3,988,402
- Date
- October 26, 1976
- Library no.
- ACL Doc 23234 · asbestosclaims.law/library/23234
- Rights
- US government work, in the public domain.
Read or download
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Where it was listed
- Asbestos, March 1977, in its patents department (the year's issues)
Cited on this site
Cite this document
Harutoshi Ueda, Naoyuki Suzuki, Masami Nagao. “Non-combustible molding material (US Patent 3,988,402, 1976).” October 26, 1976. US Patent No. 3,988,402. US Patent and Trademark Office. AsbestosClaims.Law Library, ACL Doc 23234. https://asbestosclaims.law/library/23234.
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