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:
May. 19, 1987
Filed:
Jun. 04, 1985
Applicant:
Inventors:
Assignee:
Universite Paris-Sud (Paris XI), Orsay Cedex, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; B01J / ;
U.S. Cl.
CPC ...
264-43 ; 264-47 ; 424491 ; 424 19 ; 424 36 ; 4284022 ; 514963 ;
Abstract
The present invention relates to biodegradable microcapsules based on serum albumin, the preparation thereof and the application thereof to the release of drugs in situ. A feature of the microcapsules according to the present invention is that their wall consists of serum albumin, a portion of which is crosslinked by interfacial polymerization with the aid of an acylating bifunctional reagent, and the other, non-crosslinked portion of which is denatured by means of an alcohol.