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:
Aug. 10, 1993
Filed:
Jul. 20, 1990
Applicant:
Inventors:
Shigemi Osaka, Himeji, JP;
Kazuo Hata, Himeji, JP;
Tsukasa Takahashi, Himeji, JP;
Teruyuki Moto, Himeji, JP;
Assignee:
Nippon Shokubai Kagaku Kogyo Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
501 12 ; 501103 ; 252309 ; 423608 ;
Abstract
A zirconia sol, comprising a transparent zirconia sol obtained by hydrolysis of zirconyl ammonium carbonate and a chelating agent incorporated in said transparent zirconia sol.