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Harutoshi Ueda, Naoyuki Suzuki and Masami Nagao received US Patent No. 4,013,476 on March 22, 1977, filed September 30, 1974.
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. 4,013,476
- Date
- March 22, 1977
- Library no.
- ACL Doc 23235 · asbestosclaims.law/library/23235
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 13 pages · 1.2 MB
Where it was listed
- Asbestos, July 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 4,013,476, 1977).” March 22, 1977. US Patent No. 4,013,476. US Patent and Trademark Office. AsbestosClaims.Law Library, ACL Doc 23235. https://asbestosclaims.law/library/23235.
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