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:
Jun. 29, 2004
Filed:
Oct. 18, 2000
Atsuhiro Todo, Tokyo, JP;
Kaori Okada, Tokyo, JP;
Toshihiro Sekiguchi, Tokyo, JP;
Kazuo Hirota, Tokyo, JP;
GC Corporation, Tokyo, JP;
Abstract
A dental glass ionomer cement composition is disclosed, containing a coloring matter, a color of which is specified such that an L* value, when expressed by an L*a*b* colorimetric system in a standard illuminant D , being 60 or less, and a content of the coloring matter being preferably from 0.1 to 5% by weight based on the whole of the composition, and when the dental glass ionomer cement composition according to the invention is used in a setting method of a dental glass ionomer cement that is a most generally used dental cement at present over a wide range of dental applications by means of irradiation with a light, it has an effect for further shortening the time of sensitization to water and the time of setting.