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:
Apr. 10, 2018
Filed:
Jun. 24, 2015
Applicant:
Gc Corporation, Tokyo, JP;
Inventors:
Yusuke Hokii, Tokyo, JP;
Ryosuke Yoshimitsu, Tokyo, JP;
Shoichi Fukushima, Tokyo, JP;
Futoshi Fusejima, Tokyo, JP;
Assignee:
GC CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 6/083 (2006.01); C03C 12/00 (2006.01); C04B 28/34 (2006.01); A61K 6/00 (2006.01); A61K 6/027 (2006.01); C04B 111/00 (2006.01);
U.S. Cl.
CPC ...
A61K 6/0835 (2013.01); A61K 6/0005 (2013.01); A61K 6/0276 (2013.01); C03C 12/00 (2013.01); C04B 28/344 (2013.01); C04B 2111/00836 (2013.01);
Abstract
Provided is a fluoroaluminosilicate glass powder that can provide a dental glass ionomer cement hardened body excellent in acid resistance, the glass powder including sodium and potassium which have an effect of lowering the reflective index of glass. A mass ratio of potassium to sodium in the component is in the range of from 1.2 to 1.9 in terms of oxide.