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. 08, 1998
Filed:
Dec. 12, 1996
Applicant:
Inventors:
Stephen David Jacobs, Pittsford, NY (US);
William Kordonski, Minsk, BY;
Igor Victorovich Prokhorov, Minsk, BY;
Donald Golini, Rochester, NY (US);
Gennadii Rafailovich Gorodkin, Minsk, BY;
Tvasta David Strafford, Rochester, NY (US);
Assignees:
Byelocorp Scientific, Inc., New York, NY (US);
University of Rochester, Rochester, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F / ; H01F / ;
U.S. Cl.
CPC ...
252 6252 ; 252 6254 ; 51304 ; 106-3 ;
Abstract
A magnetorheological fluid comprises non-colloidal magnetic particles, an abrasive, water, glycerol, and an alkaline buffer. The abrasive may be CeO.sub.2, the non-colloidal magnetic particles may be carbonyl iron, and the alkaline buffer may be Na.sub.2 CO.sub.3. The fluid is useful for magnetorheological finishing.