Process for obtaining proanthocyanidine A2, pharmaceutical compositions and their therapeutic use
Patent 4863956 Issued on September 5, 1989. Estimated Expiration Date: 
September 5, 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.
September 5, 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 ReferencesPharmaceutical compositions Patent #: 4258055 InventorsAssigneeApplicationNo. 06/886790 filed on 07/18/1986US Classes:514/453, Polycyclo ring system having the hetero ring as one of the cyclos514/926, Duodenal514/927PepticExaminersPrimary: Waddell, Frederick E.Attorney, Agent or FirmInternational ClassesC07D 493/18 (20060101)C07D 493/00 (20060101) Foreign Application Priority Data1985-07-19 GBAbstractThere is described a process for preparing proanthocyanidine A2 by extraction from cortex or fruits of Aesculus hippocastanum and related species and its activity for stimulating healing processes, e.g. healing wounds and injuries of various origins, gastric and duodenal ulcers for modifying conditions of impaired capillary permeability and resistance and for obtaining an anti-lipid peroxidation effect.There are also described pharmaceutical formulations suitable for use by topical and systemic routes.Other References
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