The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 13, 1979
Filed:
Feb. 15, 1978
Applicant:
Inventors:
Mitsuo Hashimoto, Ichihara, JP;
Toshiyuki Takyu, Sodegaura, JP;
Masaru Inoue, Sodegaura, JP;
Masami Takasaki, Sodegaura, JP;
Shinho Shiho, Sodegaura, JP;
Assignee:
Idemitsu Kosan Company Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
106109 ; 106110 ; 106111 ; 106115 ; 106116 ;
Abstract
A gypsum composition comprising: (A) a lightweight spherical gypsum and (B) at least one binder selected from the group consisting of a water-soluble organic polymer, a water-dispersible organic polymer, a water-soluble inorganic compound, a water-dispersion medium colloid-forming inorganic compound, a water-hardenable compound and a mixture thereof. This gypsum composition provides a gypsum mold which is lightweight and, at the same time, has great mechanical strength.