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. 07, 1987
Filed:
Apr. 29, 1986
Applicant:
Inventors:
Kenji Kondo, Tokyo, JP;
Shigeru Katsuyama, Tokyo, JP;
Shoji Akahane, Higashikurume, JP;
Kentaro Tomioka, Chofu, JP;
Assignee:
G-C Dental Industrial Corp., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
4332281 ; 106 35 ;
Abstract
A color-changeable cement composition for dental use is disclosed, which comprises a first component comprising a metal oxide as a major ingredient, and a second component which can react with the first component to form a set body, wherein the composition contains a substance which changes its color tone with the change in pH so that the color tone of the cement composition can change upon intital setting of the cement composition. The composition enables one to visually observe the degree of setting of the cement composition.