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. 08, 2003
Filed:
Jan. 25, 2001
Applicant:
Inventors:
Hajime Shimamoto, Yamatokohriyama, JP;
Shoji Ichikawa, Yamatokohriyama, JP;
Katsumi Kondo, Tokyo, JP;
Susumu Abe, Tokyo, JP;
Kenji Takenouchi, Tokyo, JP;
Assignee:
Rodel Holdings, Inc., Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 3/14 ; C09G 1/02 ;
U.S. Cl.
CPC ...
C09K 3/14 ; C09G 1/02 ;
Abstract
A polishing compound containing cocoon-shaped silica particles and crystal silica particles, and water-soluble polymers including; at least one type selected from the groups including ammonium nitrate and ammonium acetate, and at least one type selected from methylcellulose, carboxymethylcellulose, hydroxyethylcellulose, and the group including carboxymethylcellulose.