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:
Sep. 12, 2023
Filed:
Oct. 24, 2018
Applicant:
Gc Corporation, Shizuoka, JP;
Inventors:
Assignee:
GC Corporation, Shizuoka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 6/90 (2020.01); A61K 6/858 (2020.01); C04B 11/00 (2006.01); C04B 24/18 (2006.01); C04B 24/04 (2006.01); A61C 13/34 (2006.01); C04B 111/00 (2006.01); C04B 103/30 (2006.01);
U.S. Cl.
CPC ...
A61K 6/90 (2020.01); A61K 6/858 (2020.01); C04B 11/00 (2013.01); C04B 24/04 (2013.01); C04B 24/18 (2013.01); A61C 13/34 (2013.01); C04B 2103/302 (2013.01); C04B 2111/00836 (2013.01);
Abstract
An embodiment according to the present invention provides a dental gypsum powder including a hemihydrate gypsum and a water-reducing agent, wherein the mass ratio of the water-reducing agent to the hemihydrate gypsum is 0.1 to 1%, the content of particles having a particle diameter of 10 μm or less is 15 to 35 volume %, the content of particles having a particle diameter of 20 μm or less is 40 to 55 volume %, and the content of particles having a particle diameter of 30 μm or less is 55 to 75 volume %.