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:
May. 12, 1987
Filed:
Nov. 25, 1985
Applicant:
Inventors:
Katsuhisa Kohyama, Kita-Kyushu, JP;
Tsuneo Kimura, Kita-Kyushu, JP;
Teruo Kidera, Fukumamachi, JP;
Yukio Kajiwara, Kita-Kyushu, JP;
Assignee:
Mitsubishi Chemical Industries Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B24D / ;
U.S. Cl.
CPC ...
51308 ; 51307 ; 10628734 ;
Abstract
An aqueous dispersion of silicic anhydride, comprising an aqueous solvent and silicic anhydride dispersed therein, wherein the silicic anhydride has a surfacial silanol group density of from 0.3 to 3 per 100 .ANG..sup.2 and is obtained by the surface treatment of silicic anhydride produced by a dry method.