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:
Sep. 26, 2006
Filed:
Jun. 14, 2004
Mingming Fang, Naperville, IL (US);
Michael R. Ianiro, Macon, GA (US);
Don Eisenhour, Grayslake, IL (US);
Mingming Fang, Naperville, IL (US);
Michael R. Ianiro, Macon, GA (US);
Don Eisenhour, Grayslake, IL (US);
Amcol International Corporation, Arlington Heights, IL (US);
Abstract
A composition for planarizing or polishing a surface comprising (a) a liquid carrier, and (b) solids comprising about 0.1 to about 10% by weight clay abrasive particles, and about 0.1% to about 50% by weight CeOparticles, based on the total weight of solids in the composition, said clay and CeOabrasive particles having a particle size such that at least 90% of the particles (by number), when slurried in water, have a particle size in the range of about 10 nm to about 10 μm.