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:
Aug. 10, 1993
Filed:
Nov. 21, 1991
Applicant:
Inventors:
Joseph S Yudelson, Rochester, NY (US);
Robert O James, Rochester, NY (US);
Denis M Bailey, Phoenixville, PA (US);
Assignee:
Sterling Winthrop Inc., New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B / ; C07C / ;
U.S. Cl.
CPC ...
12866202 ; 560 47 ; 424-5 ;
Abstract
Stable particles comprising a core consisting of a water-insoluble ester or amide of 3,5-diacetamido-2,4,6-triiodobenzoic acid encapsulated with methyl cellulose, such particles having an average particle size of less than about 10 .mu.m, dispersions containing such particles, and methods for the preparation thereof are disclosed. The particles are particularly useful as contrast agents for use in x-ray and ultrasound diagnostic imaging compositions and methods.