Topical griseofulvin composition and method
Patent 4039664 Issued on August 2, 1977. Estimated Expiration Date: 
August 2, 1994. 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.
August 2, 1994. 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 3634586 3636194 Composition and method for topical administration of griseofulvin Patent #: 3932653 InventorsAssigneeApplicationNo. 05/567392 filed on 04/11/1975US Classes:514/462, Spiro ring system424/47, Topical live body grooming or adorning aid (e.g., hair spray, antiperspirant, etc.)514/937, DISPERSION OR EMULSION514/947Topical applicationExaminersPrimary: Ore, Dale R.Attorney, Agent or FirmAbstractThere is disclosed a composition and method for topically administering griseofulvin to a human or animal in a manner such that a high degree of epidermal, especially stratum corneum, retention of griseofulvin is attained, by contacting the skin of a human or animal with an effective amount of a therapeutic composition containing griseofulvin in a vehicle system comprising 2-pyrrolidone and N-methyl-2-pyrrolidone in a ratio ranging between about 1:4 and about 4:1, said composition containing at least about 10% by weight of said vehicle system.Other References
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