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. 05, 1994
Filed:
Dec. 17, 1992
George C Na, Fort Washington, PA (US);
Natarajan Rajagopalan, Phoenixville, PA (US);
Sterling Winthrop Inc., New York, NY (US);
Abstract
The present invention is directed to a composition comprised of nanoparticles containing an X-ray diagnostic compound, having a high molecular weight nonionic surfactant as a surface modifier adsorbed on the surface thereof and a cloud point modifier associated therewith. The present invention is still further directed to a method for diagnostic imaging for use in medical procedures comprising administering to the body of a test subject in need of an X-ray an effective contrast producing amount of a composition comprised of nanoparticles containing an X-ray diagnostic compound, having a high molecular weight nonionic surfactant as a surface modifier adsorbed on the surface thereof and a cloud point modifier associated therewith.