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. 18, 2001
Filed:
Jul. 30, 1999
Applicant:
Inventors:
Gilles H. Tapolsky, The Woodlands, TX (US);
David W. Osborne, The Woodlands, TX (US);
Assignee:
Virotex Corporation, The Woodlands, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F 1/302 ; A61K 4/730 ; A61K 4/738 ;
U.S. Cl.
CPC ...
A61F 1/302 ; A61K 4/730 ; A61K 4/738 ;
Abstract
The present invention relates to a non water-soluble pharmaceutical carrier gel which adheres to mucosal surfaces and body tissues upon application and forms a film, providing protection and delivery of pharmaceutical to the site of application, surrounding body tissues, and bodily fluids. The gel comprises a volatile or diffusing nonaqueous solvent and at least one non-water-soluble alkyl cellulose or hydroxyalkyl cellulose. A bioadhesive polymer may also be added. The gel provides an effective residence time with ease of use.