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:
Nov. 06, 2018
Filed:
Oct. 07, 2016
Applicant:
Sumitomo Electric Industries, Ltd., Osaka-shi, JP;
Inventors:
Hitoshi Sumiya, Itami, JP;
Takeshi Sato, Itami, JP;
Assignee:
Sumitomo Electric Industries, Ltd., Osaka-shi, JP;
Primary Examiner:
Int. Cl.
CPC ...
C04B 35/52 (2006.01); B26D 1/00 (2006.01);
U.S. Cl.
CPC ...
C04B 35/52 (2013.01); B26D 1/0006 (2013.01); C04B 2235/422 (2013.01); C04B 2235/425 (2013.01); C04B 2235/427 (2013.01); C04B 2235/85 (2013.01);
Abstract
A composite polycrystal contains polycrystalline diamond formed of diamond grains that are directly bonded mutually, and non-diamond carbon dispersed in the polycrystalline diamond, and has a concentration of contained hydrogen of less than or equal to 1000 ppm.