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:
Oct. 31, 1995
Filed:
Nov. 01, 1993
Applicant:
Inventors:
Nir Kossovsky, Los Angeles, CA (US);
H James Hnatyszyn, Los Angeles, CA (US);
Andrew Gelman, Los Angeles, CA (US);
Assignee:
The Regeants of the University of California, Oakland, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
424494 ; 424 936 ; 424490 ; 424493 ; 424498 ; 514-2 ; 514-6 ; 514951 ; 514970 ;
Abstract
A biologically active composition made up of biodegradable core particles which are coated with a layer that is designed to allow attachment of biologically active agents without denaturing them. The composition may further include an exterior targeting membrane which provides selective targeting to specific receptors.