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. 29, 1991
Filed:
Jul. 13, 1989
Applicant:
Inventors:
Chia-Fu Chen, Hatano, JP;
Ensei Ko, Nishi Koiso, Oiso-machi, Naka-gun, Kanagawa-ken, JP;
Hiroshi Ishizuka, Tokyo, JP;
Satoru Hosomi, Hiratsuka, JP;
Assignees:
The Ishizuka Research Institute, Ltd., Hiratsuka, JP;
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B24D / ;
U.S. Cl.
CPC ...
51293 ; 51295 ; 51307 ;
Abstract
Diamond abrasive comprising a mass of idiomorphic crystal grits which each have an irregular shaped core of diamond formed under pressure where diamond is thermodynamically favored phase, and a growth layer of diamond and/or diamond-like carbon formed over said core by chemical vapor deposition.