Hydrocortisone composition having enhanced bioavailability and percutaneous absorption
Patent 4738956 Issued on April 19, 1988. Estimated Expiration Date: 
December 15, 2006. 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 15, 2006. 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 4496 Corticosteroid formulations containing sebacate carrier Patent #: 4233295 InventorsAssigneeApplicationNo. 06/941699 filed on 12/15/1986US Classes:514/179, Modified C-ring (except methyl in 13-position) (e.g., double bond containing, substituted, etc.)514/859, Acne514/861, Eczema514/862, Poison (ivy, oak, sumac)514/865, Diaper rash514/889, INTERFERON INDUCER514/919, Insect514/969OINTMENT OR SALVE BASEExaminersPrimary: Ore, Dale R.Attorney, Agent or FirmInternational ClassesA61K 8/58 (20060101)A61K 47/10 (20060101) A61K 47/24 (20060101) A61K 8/30 (20060101) AbstractA new and improved topically applied pharmaceutical preparation for the treatment of itching, rash, eczema, insect bites, poison ivy and the like and an improved vehicle for delivering the active ingredients thereof to the human skin in a manner whereby the bioavailability and percutaneous absorption of the active ingredient is remarkably enhanced. The vehicle comprises a volatile silicone, a fatty alcohol having from 12-22 carbon atoms, hydrocortisone; and such preservatives or emulsifying agents as may be warranted. | |
