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. 23, 2002
Filed:
Feb. 22, 1999
Wolfgang Gunther, West Chester, PA (US);
Kenneth Kellar, Wayne, PA (US);
Dennis Kiyoshi Fujii, Downingtown, PA (US);
Vinay Desai, Wayne, PA (US);
Christopher Black, Wayne, PA (US);
Marshall Beeber, Royersford, PA (US);
Jennifer Wellons, Wayne, PA (US);
Anne Kjersti Fahlvik, Oslo, NO;
Jasbir Singh, Gilbertsville, PA (US);
Edward Richard Bacon, Wayne, PA (US);
Gregory Lynn McIntire, Wayne, PA (US);
Robert Alan Snow, Wayne, PA (US);
Brian Weekley, Wayne, PA (US);
Torgrim Engell, Oslo, NO;
Michel Gacek, Hovik, NO;
David Lee Ladd, Wayne, PA (US);
Anne Naevestad, Oslo, NO;
George Na, Wayne, PA (US);
Barbara Yuan, Wayne, PA (US);
Jack Stevens, Wayne, PA (US);
Amersham Health AS, Oslo, NO;
Abstract
The invention relates to MR contrast media containing composite nanoparticles, preferably comprising a superparamagnetic iron oxide core provided with a coating comprising an oxidatively cleaved starch coating optionally together with a functionalized polyalkyleneoxide which serves to prolong blood residence.