Topical use of dyphylline and dyphylline containing compositions
Patent 4341783 Issued on July 27, 1982. Estimated Expiration Date: 
July 31, 2000. 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.
July 31, 2000. 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 2575344 Treating psoriasis with transient pro-drug forms of xanthine derivatives Process for alleviating proliferative skin diseases Patent #: 4141976 InventorAssigneeApplicationNo. 06/174090 filed on 07/31/1980US Classes:514/263.34, Chalcogen bonded directly to the 2-and 6- positions of the purine ring system (e.g., theophylline, etc.)514/863PsoriasisExaminersPrimary: Schenkman, LeonardAttorney, Agent or FirmInternational ClassesA61K 31/52 (20060101)A61K 31/519 (20060101) AbstractDyphylline is used preferably as the active ingredient in a cream base for topical application to the skin in the treatment of psoriasis and atopic dermatitis. The invention involves the method of use of dyphylline, as well as dyphylline containing compositions.Other References
| |
