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:
Jul. 20, 1993
Filed:
Aug. 30, 1991
Applicant:
Inventor:
Donald C Zipperian, Tucson, AZ (US);
Assignee:
Buehler, Ltd., Lake Bluff, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B24D / ;
U.S. Cl.
CPC ...
51293 ; 51308 ; 51309 ;
Abstract
A mechanochemical polishing abrasive and a process for using the mechanochemical polishing abrasive to polish the surface of a hardened workpiece cheaply and efficiently. The mechanochemical polishing abrasive comprises a slurry of colloidal silica and a mechanical abrasive selected from one or more of the materials in the group comprising Fe.sub.2 O.sub.3, Fe.sub.3 O.sub.4, MgO, BaCO.sub.3, CaCO.sub.3, MnO.sub.2, CeO, SiO.sub.2, CeO.sub.2, Cr.sub.2 O.sub.3, and Al.sub.2 O.sub.3.
Zipperian, Donald. (1993). Mechanochemical polishing abrasive (U.S. Patent No. 5228886). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5228886
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile