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:
Nov. 27, 1990
Filed:
Aug. 17, 1989
Applicant:
Inventors:
Seamus Mulligan, Athlone, IE;
Randall T Sparks, Gainesville, GA (US);
Assignee:
Elan Corporation, PLC, Athlone, IE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ;
U.S. Cl.
CPC ...
424461 ; 514356 ; 514964 ; 514965 ; 424462 ; 424469 ; 424486 ; 424488 ;
Abstract
A controlled release formulation comprising an adsorbate of a mixture of a pharmaceutically useful active ingredient and an inactive substance adsorbed on a cross-linked polymer. The inactive substance is selected to modify the dissolution of the active ingredient from the cross-linked polymer in vivo.