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:
Jun. 05, 1990
Filed:
Jul. 21, 1988
Applicant:
Inventors:
Rajan Bawa, Fairport, NY (US);
Dominic V Ruscio, Rochester, NY (US);
Assignee:
Bausch & Lomb Incorporated, Rochester, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01N / ; A61J / ; A61K / ; C08F / ;
U.S. Cl.
CPC ...
424427 ; 424429 ; 424 78 ; 424 79 ; 424 80 ; 424 81 ; 5253261 ; 5253263 ; 5253266 ; 5253297 ; 5253303 ; 5253322 ; 5253333 ;
Abstract
A sustained-release polymeric hydrogel dosage form useful for topical, systemic or transdermal administration of a medicinal agent comprising a cross-linked, polymerized hydrophilic polymer, an ion-exchange resin, a cross-linking agent, an optical hydrophobic polymer and said medicinal agent in a therapeutically effective amount.