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:
Oct. 04, 1988
Filed:
Aug. 21, 1986
Applicant:
Inventors:
Assignee:
G-C Dental Industrial Corp., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
A32B / ; C03C / ; C03C / ; A61K / ;
U.S. Cl.
CPC ...
428406 ; 428404 ; 106 35 ; 433226 ; 4332281 ; 523116 ; 501 55 ; 501 63 ; 501 68 ; 501 73 ; 501 57 ; 501 66 ; 501 11 ; 501 18 ; 4271262 ; 427217 ; 427219 ; 4273897 ; 427 835 ;
Abstract
A fluoroaluminosilicate glass powder for dental glass ionomer cement, a surface of which is treated with a fluoride in an amount of from 0.01 to 5 parts by weight based on 100 parts by weight of the glass powder, is disclosed. The fluoroaluminosilicate glass powder of the invention is improved in not only physical properties such as crushing strength but also mixing workability without impairing the inherent characteristics thereof for the dental use.