US Patent 7592021 Bioadhesive delivery system for transmucosal delivery of beneficial agents

Patent 7592021 was granted and assigned to SRI International on September, 2009 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

SRI International

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

75920210

Patent Inventor Names

Gita Natarajan Shankar0

Rae Lyn Burke0

Date of Patent

September 22, 2009

Patent Application Number

112426800

Date Filed

October 3, 2005

Patent Primary Examiner

‌

Robert B Mondesi

Patent abstract

Formulations and methods for transmucosal delivery of a beneficial agent are described in which a pH-responsive component and a temperature-responsive component are combined and applied to a mucous membrane. The temperature-responsive component is a component that, in aqueous solutions, is capable of undergoing a temperature-dependent sol to gel phase transition. The formulations may be characterized as having bioadhesive properties, and are suitable for delivery of a variety of beneficial agents.

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