Stabilized topical pharmaceutical preparations
Patent 5635540 Issued on June 3, 1997. Estimated Expiration Date: 
December 9, 2014. 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.
December 9, 2014. 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 ReferencesLocal anesthetic mixture for topical application and method for obtaining local anesthesia Anesthetic/skin moisturizing composition and method of preparing same Topical drug delivery with polyoxyalkylene polymer thermoreversible gels adjustable for pH and osmolality Insect repellent Aqueous suspension preparation for injection, method for producing the same and use thereof for producing pain relief Patent #: 5346903 InventorsAssigneeApplicationNo. 354863 filed on 12/09/1994US Classes:514/772.3, Solid synthetic organic polymer514/816, ANESTHETIC, GENERAL514/817, ANESTHETIC, TOPICAL514/818ANESTHETIC, LOCALExaminersPrimary: Kulkosky, Peter F.Attorney, Agent or FirmInternational ClassesA61K 047/34A61K 009/10 AbstractThe present invention relates to stabilized topical pharmaceutical preparations. More specifically the present invention relates to a stabilized topical pharmaceutical preparation, based on the solubilization of a eutectic mixture of local anesthetic agents, in base form, which when combined in the presence of a surfactant and water produce a single phase hydrated polymer to be used in obtaining topical anesthesia and also relates to a stabilized antimicrobial topical pharmaceutical preparation. | |
