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:
Apr. 16, 1991
Filed:
Oct. 11, 1988
Applicant:
Inventor:
George W Tin, Arcadia, CA (US);
Assignee:
Vestar, Inc., San Dimas, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F / ; A61K / ; A61K / ; A61K / ;
U.S. Cl.
CPC ...
424422 ; 264-41 ; 264-43 ; 424-11 ; 424450 ; 424484 ; 424485 ; 424488 ; 4284022 ; 436829 ; 514937 ; 514944 ; 514963 ; 514965 ;
Abstract
The present invention relates to a process of stabilizing micellular particles such as vesicles and increasing the shelf life by suspending the particles in a polymeric gel matrix. The invention also relates to such particles suspended in the gel matrix with a protective gel surface thereabout which is capable of becoming fluid and converting the protective surface of an aqueous suspension.