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:
Sep. 17, 1985
Filed:
Aug. 16, 1983
Applicant:
Inventor:
Alec D Keith, Miami, FL (US);
Assignee:
Key Pharmaceuticals, Inc., Miami, FL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; A61K / ; A61L / ;
U.S. Cl.
CPC ...
424 28 ; 424 22 ; 424 80 ; 514509 ;
Abstract
A trinitroglycerol-containing substantially disaccharide-free polymeric diffusion matrix is provided for the transdermal systemic delivery of trinitroglycerol through the skin of a patient. The polymeric diffusion matrix contains sufficient trinitroglycerol to be released over a prolonged period of time and comprises a first lower molecular weight, partially hydrolyzed polyvinylalcohol component, a second higher molecular weight, essentially fully hydrolyzed polyvinylalcohol component, and glycerol.