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. 21, 1992
Filed:
Jan. 11, 1990
Applicant:
Inventors:
Tully J Speaker, Philadelphia, PA (US);
Mani R Sundararajan, Bryn Mawr, PA (US);
Assignee:
Temple University, Philadelphia, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J / ; A61K / ;
U.S. Cl.
CPC ...
424490 ; 264-41 ; 264-47 ; 4284022 ; 42840221 ; 424493 ;
Abstract
A microcapsule comprising an aqueous core, and capsular membrane formed from the interfacial reaction product of a hydrophilic polymeric Lewis acid or salt thereof with a lipophilic Lewis base or salt thereof.