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. 16, 1997
Filed:
Jul. 01, 1996
Applicant:
Inventors:
Ronald F Ziolo, Webster, NY (US);
Elizabeth C Kroll, Clinton Township, MI (US);
Rachel Pieczynski, Orchard Park, NY (US);
Assignee:
Xerox Corporation, Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F / ;
U.S. Cl.
CPC ...
252 6252 ; 252 6754 ;
Abstract
A ferrofluid comprising an aqueous suspension of an unsilanated or silanated nanocomposite comprised of Fe.sub.2 O.sub.3 nanoparticles and an ionic exchange resin, wherein the ferrofluid has a high magnetization moment of about 20 to about 40 emu/gram.