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:
Dec. 15, 2020
Filed:
Jul. 04, 2017
Applicant:
Gc Corporation, Shizuoka, JP;
Inventors:
Shigenori Akiyama, Tokyo, JP;
Ryosuke Yoshimitsu, Tokyo, JP;
Satomi Tateiwa, Tokyo, JP;
Katsushi Yamamoto, Tokyo, JP;
Syouichi Fukushima, Tokyo, JP;
Assignee:
GC Corporation, Shizuoka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C 3/16 (2006.01); C03C 4/00 (2006.01); A61K 6/838 (2020.01); A61K 6/833 (2020.01); C03C 3/247 (2006.01); C03C 3/19 (2006.01); A61P 1/02 (2006.01);
U.S. Cl.
CPC ...
C03C 4/0021 (2013.01); C03C 3/16 (2013.01); A61K 6/833 (2020.01); A61K 6/838 (2020.01); A61P 1/02 (2018.01); C03C 3/19 (2013.01); C03C 3/247 (2013.01); C03C 2205/06 (2013.01);
Abstract
A dental glass includes: phosphorus; sodium and/or potassium; and calcium, wherein the dental glass contains, in terms of oxide, phosphorus (PO) by greater than or equal to 40% by mass and less than or equal to 70% by mass, sodium and/or potassium (NaO, KO) by greater than or equal to 20% by mass and less than or equal to 40% by mass, and calcium (CaO) by greater than or equal to 1% by mass and less than or equal to 20% by mass, and wherein the dental glass does not substantially contain silicon and aluminum.