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. 28, 1997
Filed:
Aug. 02, 1995
Applicant:
Inventors:
Padmanabh P Bhatt, Midland, MI (US);
Victor A Raul, Midland, MI (US);
Assignee:
Dow Corning Corporation, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
424486 ; 528 15 ;
Abstract
The instant invention pertains to a method of controlling release of active agents or drugs from a silicone rubber matrix by controlling the degree of crosslinking in the silicone rubber matrix. The silicone rubber matrixes of the instant invention are produced from liquid silicone rubbers comprised of (A) a polyorganosiloxane containing at least two alkenyl radicals per molecule; (B) an organohydrogensiloxane containing at least two silicon-bonded hydrogen atoms per molecule; and (C) a hydrosilylation catalyst in an amount sufficient to promote curing of said composition.