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:
Oct. 15, 2024
Filed:
Dec. 25, 2019
Applicant:
Kuraray Noritake Dental Inc., Kurashiki, JP;
Inventors:
Atsushi Matsumoto, Aichi, JP;
Hiroyuki Sakamoto, Aichi, JP;
Shinichiro Kato, Aichi, JP;
Yoshihisa Ito, Aichi, JP;
Assignee:
KURARAY NORITAKE DENTAL INC., Kurashiki, JP;
Primary Examiner:
Int. Cl.
CPC ...
A61C 13/00 (2006.01); A61C 13/083 (2006.01); A61C 13/09 (2006.01); A61C 5/70 (2017.01);
U.S. Cl.
CPC ...
A61C 13/0022 (2013.01); A61C 13/083 (2013.01); A61C 13/09 (2013.01); A61C 5/70 (2017.02);
Abstract
A mill blank may have a multilayer structure and desirable aesthetics. Such dental mill blanks may include a mill blank portion having a layered structure of two or more layers, and in which the layered structure includes an enamel layer and a core layer, the core layer comprising a first portion that is substantially a frustum, the frustum having a side face forming a part of an interface between the enamel layer and the core layer.