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. 24, 2019
Filed:
Jan. 28, 2019
Applicant:
Kuraray Noritake Dental Inc., Kurashiki-shi, JP;
Inventors:
Assignee:
KURARAY NORITAKE DENTAL INC., Kurashiki-shi, JP;
Primary Examiner:
Int. Cl.
CPC ...
B28B 5/00 (2006.01); B32B 3/26 (2006.01); B32B 5/16 (2006.01); B32B 5/30 (2006.01); A61C 13/09 (2006.01); B32B 18/00 (2006.01); C04B 35/48 (2006.01); A61C 13/083 (2006.01); C04B 35/486 (2006.01); C04B 35/626 (2006.01); C04B 35/645 (2006.01);
U.S. Cl.
CPC ...
A61C 13/083 (2013.01); B28B 5/00 (2013.01); B32B 3/26 (2013.01); B32B 5/16 (2013.01); B32B 5/30 (2013.01); B32B 18/00 (2013.01); C04B 35/48 (2013.01); C04B 35/486 (2013.01); C04B 35/62645 (2013.01); C04B 35/62675 (2013.01); C04B 35/6455 (2013.01); A61C 13/09 (2013.01); B32B 2264/102 (2013.01); B32B 2264/107 (2013.01); B32B 2535/00 (2013.01); C04B 2235/3206 (2013.01); C04B 2235/3208 (2013.01); C04B 2235/3217 (2013.01); C04B 2235/3224 (2013.01); C04B 2235/3225 (2013.01); C04B 2235/3229 (2013.01); C04B 2235/3232 (2013.01); C04B 2235/3241 (2013.01); C04B 2235/3272 (2013.01); C04B 2235/3418 (2013.01); C04B 2235/604 (2013.01); C04B 2235/6026 (2013.01); C04B 2235/765 (2013.01); C04B 2235/81 (2013.01); C04B 2235/96 (2013.01); C04B 2235/9653 (2013.01); C04B 2235/9661 (2013.01); C04B 2237/348 (2013.01); C04B 2237/58 (2013.01);
Abstract
A zirconia sintered body having gradation is provided. A method for preparing a zirconia composition comprises preparing a plurality of powders for lamination; the lamination powders containing zirconia, a stabilizer(s) suppressing phase transition of zirconia and a pigment(s) at respective different pigment content ratios, and laminating the lamination powders in a mold. In the laminating step, the mold is vibrated after at least two lamination powders are charged into the mold.