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:
Feb. 20, 2001
Filed:
Aug. 31, 1999
Keigo Ohashi, Nishikasugai-gun, JP;
Hitoshi Kodama, Nishikasugai-gun, JP;
Noritaka Yokomichi, Nishikasugai-gun, JP;
Fujimi Incorporated, Nishikasugai-gun, JP;
Abstract
A polishing composition for polishing a memory hard disk, which comprises water and at least one abrasive selected from the group consisting of silicon dioxide, aluminum oxide, cerium oxide, zirconium oxide, titanium oxide, silicon nitride and manganese dioxide and which further contains an iron chelate complex dissolved in the composition, the iron chelate complex having a nitrogen-containing compound as a ligand, and the pH of the entire composition being from 6 to 10.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile