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:
Nov. 11, 1997
Filed:
Apr. 01, 1991
Ramesh N Acharya, Lake Forest, IL (US);
Theratech, Inc., Salt Lake City, UT (US);
Abstract
A polymeric delivery system which is formed by a polycarbophil type composition with an active agent, optionally in the presence of water and/or other cosolvent. The resulting product is especially useful as a carrier or coating of active compositions, such as pharmaceuticals and the like. The composition is also useful for the controlled or sustained release of active agents that are drugs, cosmetic agents, household agents, agricultural agents, industrial chemical agents and nutritional agents. A composition and method for the treatment of xerostomia is also disclosed, comprising polycarbophil in the form of an article having a shape suitable for insertion into the mouth.