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:
Nov. 22, 1994
Filed:
Dec. 07, 1992
Applicant:
Inventors:
Tsutomu Yamada, Machida, JP;
Taizo Okajima, Kitakyushu, JP;
Kouichi Ootani, Nougata, JP;
Hitoshi Morinaga, Kitakyushu, JP;
Assignee:
Fujimi Incorporated, Aichi, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09G / ;
U.S. Cl.
CPC ...
106-3 ; 51309 ;
Abstract
The present invention relates to a polishing composition comprising water, alumina, and a chelating agent. It may optionally be incorporated with an aluminum salt and/or boehmite. The present composition permits efficient polishing and gives a polished surface having superior surface properties. The composition is suitable for polishing a memory hard disk.
Quick Actions:
Yamada, Tsutomu. (1994). Polishing composition (U.S. Patent No. 5366542). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5366542
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile