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:
Jan. 16, 1996
Filed:
Mar. 28, 1994
Applicant:
Inventors:
Edward M Rudnic, No. Potomac, MD (US);
John A McCarty, Biscayne Park, FL (US);
George W Belenduik, Potomac, MD (US);
Assignee:
Pharmavene, Inc., Rockville, MD (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; A61K / ;
U.S. Cl.
CPC ...
424468 ; 424457 ; 424459 ; 424461 ; 424462 ; 424469 ; 424476 ; 424487 ; 424489 ; 424490 ; 424493 ; 424497 ; 424502 ; 514 54 ; 514 60 ; 514317 ; 514646 ; 514647 ; 514965 ;
Abstract
A sustained-release pharmaceutical composition comprising a highly soluble pharmaceutical agent, such as selegiline, in a pharmaceutical carrier comprising a hydrophilic polymer dispersed in a hydrophobic matrix. A hydrophilic microenvironment is created in a hydrophobic matrix by incorporating hydrophilic polymers within a hydrophobic matrix. Optionally, a binder, preferably a polyhydroxylated compound, ca also be added.