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:
Jul. 23, 1991
Filed:
Nov. 30, 1989
Applicant:
Inventors:
Takehiro Shibuya, Shiga, JP;
Akira Matsui, Kyoto, JP;
Yoshinori Morita, Kyoto, JP;
Kiyoyuki Okunaga, Shiga, JP;
Masayuki Ninomiya, Osaka, JP;
Assignee:
Nippon Electric Glass Co. Ltd., Otsu, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03C / ;
U.S. Cl.
CPC ...
501-3 ; 501 10 ; 106 35 ;
Abstract
A high-mechanical strength biocompatible crystallized glass essentially comprises both crystallines consisting of tetrasilicic fluorine mica series and calcium phosphate series. The crystallized glass has substantially non-sodium oxide and useful in a dental medical care, as repairing material of tooth.