Use of purified clostridial collangenase in the treatment of Peyronie's disease
Patent 4338300 Issued on July 6, 1982. Estimated Expiration Date: 
February 5, 2001. 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.
February 5, 2001. 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 ReferencesOphthalmic use of collagenase Patent #: 4174389 InventorAssigneeApplicationNo. 06/231731 filed on 02/05/1981US Classes:424/94.67Metalloproteinases (3.4.24) (e.g., collagenase, snake venom zinc proteinase, etc.)ExaminersPrimary: Rosen, SamAttorney, Agent or FirmInternational ClassesA61K 38/43 (20060101)A61K 38/48 (20060101) AbstractThe method of treating Peyronie's disease which comprises administering an effective amount of the enzyme collagenase directly into the plaques which form in the course of the disease.Other References
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