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Harutoshi Ueda, Naoyuki Suzuki and Masami Nagao received US Patent No. 3,945,840 on March 23, 1976, filed October 15, 1973. 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 a source 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. 3,945,840
- Date
- March 23, 1976
- Library no.
- ACL Doc 23233 · asbestosclaims.law/library/23233
- Rights
- US government work, in the public domain.
Read or download
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Where it was listed
- Asbestos, July 1976, 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 3,945,840, 1976).” March 23, 1976. US Patent No. 3,945,840. US Patent and Trademark Office. AsbestosClaims.Law Library, ACL Doc 23233. https://asbestosclaims.law/library/23233.
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