Pharmaceutical preparation for remedy of periodontal disease and process for production thereof
Patent 4569837 Issued on February 11, 1986. Estimated Expiration Date: 
June 1, 2004. 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.
June 1, 2004. 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 ReferencesDosage form Slow-releasing medical preparation to be administered by adhering to a wet mucous surface Patent #: 4292299 Inventors
AssigneeApplicationNo. 06/616510 filed on 06/01/1984US Classes:514/772.2, Polyvinyl alcohol424/435, Mouth514/772.4, Polymer from ethylenic monomers only514/772.5, Heterocyclic monomer514/781, Cellulose or derivative514/900, Periodontitis514/902, Gingival514/953SHAPED FORMS ADAPTED FOR NONINGESTIBLE USE OTHER THAN SUPPOSITORY TYPE (E.G., FILMS, INSERTS, ETC.)ExaminersPrimary: Rose, Shep K.Attorney, Agent or FirmInternational ClassA61K 9/00 (20060101)Foreign Application Priority Data1983-06-01 JPAbstractA pharmaceutical preparation for remedy of periodontal diseases, which is in the form of a film or sheet and is inserted in a periodontal pocket or gingiva, said pharmaceutical preparation comprising a water-soluble polymeric substance having a Young's modulus of 10 to 250 Kg/mm2 as determined at a temperature of 25° C. and a relative humidity of 65%, and a viscosity of the 2% aqueous solution of 5 to 30,000 CP as determined at 20° C. and a medicinal agent for remedy of periodontal diseases. This pharmaceutical preparation can be prepared by dissolving the above-mentioned water-soluble polymeric substance and medicinal agent in an organic solvent, casting the resultant solution, and removing the organic solvent by drying to obtain a pharmaceutical preparation in the form of a film or sheet. | |
