Pharmaceutical preparation applicable to mucosal surfaces and body tissues
October 18, 2016. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3257276 3640741 Medical bandage Method and preparation for administration to the mucosa of the oral or nasal cavity Method and preparation for administration to the mucosa of the oral or nasal cavity Treatment for herpes virus Therapeutic system for administering drugs to the skin Slow-releasing medical preparation to be administered by adhering to a wet mucous surface Treatment for herpes virus Mucous membrane-adhering film preparation and process for its preparation InventorsAssigneeApplicationNo. 733454 filed on 10/18/1996US Classes:424/434, Mucosal (e.g., nasal, etc.)424/486Synthetic polymerExaminersPrimary: Lipman, BernardAssistant: Sarofim, N. Attorney, Agent or FirmForeign Patent References
International ClassesA61F 013/00A61K 009/14 AbstractThe 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. | |
