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. 24, 2012
Filed:
Oct. 27, 2008
Andrew M. Mance, Royal Oak, MI (US);
Keith S. Snavely, Sterling Heights, MI (US);
Mark A. Golden, Washington, MI (US);
John C. Ulicny, Oxford, MI (US);
Andrew M. Mance, Royal Oak, MI (US);
Keith S. Snavely, Sterling Heights, MI (US);
Mark A. Golden, Washington, MI (US);
John C. Ulicny, Oxford, MI (US);
GM Global Technology Operations LLC, Detroit, MI (US);
Abstract
A fluid includes a liquid medium having iron particles mixed therein. An organic phosphonate based coating is established on the iron particles. The organic phosphonate based coating does not substantially include phosphonic acid groups at an outer surface thereof, and increases oxidation resistance of the iron particles. A method of making such a liquid medium is also disclosed herein.