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:
Jun. 23, 1998
Filed:
Feb. 22, 1994
Applicant:
Inventors:
Evan C Unger, Tucson, AZ (US);
Guanli Wu, Tucson, AZ (US);
Assignee:
DuPont Merck Pharmaceutical Company, Wilmington, DE (US);
Primary Examiner:
Int. Cl.
CPC ...
A61B / ; A61K / ;
U.S. Cl.
CPC ...
12866202 ; 424-952 ;
Abstract
Contrast agents for ultrasonic imaging comprising gas filled liposomes prepared using vacuum drying gas instillation methods, and gas filled liposomes substantially devoid of liquid in the interior thereof, are described. Methods of and apparatus for preparing such liposomes and methods for employing such liposomes in ultrasonic imaging applications are also disclosed. Also described are diagnostic kits for ultrasonic imaging which include the subject contrast agents.