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:
May. 07, 2002
Filed:
Mar. 09, 2000
Applicant:
Inventors:
Yasuyuki Suzuki, Tokyo, JP;
Tomohiro Kaku, Tokyo, JP;
Isao Saito, Tokyo, JP;
Kazuya Orii, Tokyo, JP;
Yasutoshi Fujita, Tokyo, JP;
Masao Yamaguchi, Tokyo, JP;
Masahiro Sasaki, Tokyo, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 3/14 ; C09G 1/02 ;
U.S. Cl.
CPC ...
C09K 3/14 ; C09G 1/02 ;
Abstract
The present invention relates to a free abrasive slurry composition which is advantageously used in uniform grinding of a composite material composed of a plurality of materials each having different hardness, without causing selective grinding. The free abrasive slurry composition contains abrasive particles, an anti-abrasion agent as an anti-selective grinding agent and a dispersion medium and the anti-abrasive agent is a compound containing one or both of sulfur and phosphorus or hydroxyl group(s) in the molecular chain.