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:
Apr. 07, 1998
Filed:
Jul. 27, 1994
Applicant:
Inventors:
Masatsune Kobayashi, Yokohama, JP;
Koji Takemasa, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B24B / ;
U.S. Cl.
CPC ...
451 36 ; 51308 ; 451 41 ;
Abstract
An abrasive composition comprising abrasive grains of an inorganic material dispersed in a dispersion medium, characterized in that said dispersion medium contains an electrolytic water. A process for polishing an object using said abrasive composition. The abrasive composition enables to attain a high quality polish-finished surface at an improved polishing efficiency.