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. 14, 1991
Filed:
Sep. 30, 1988
Applicant:
Inventors:
Seamus Mulligan, Monksland, IE;
Randall T Sparks, Gainesville, GA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; A61K / ;
U.S. Cl.
CPC ...
424457 ; 424 80 ; 424462 ; 424463 ; 424464 ; 424465 ; 424468 ; 424469 ; 514356 ; 514965 ;
Abstract
A sustained release capsule or tablet formulation suitable for once-daily administration comprises an adsorbate of a mixture of a pharmaceutically useful dihydropyridine and a polyvinylpyrrolidone having an average-molecular weight greater than 55,000 adsorbed on a cross-linked polyvinylpyrrolidone and blended with a polymer or mixture of polymers which gel in the presence of water, the amount of said polymer or polymers being effective to produce the desired sustained release effect.