* * *
Pro-Urokinase and Tissue Plasminogen Activator Enhancement of Thrombolysis [trial]
* * *
1) protected by a trademark or a trade name so as to establish proprietary rights analogous to those conveyed by a patent: PROPRIETARY <\patent drugs>
2) 'pāt- affording free passage: being open and unobstructed <the nose \patent with no pathological discharge (Jour. Amer. Med. Assoc.)>
* * *
pat·ent (paґtənt) [L. patens] 1. open, unobstructed, or not closed. 2. apparent, evident.Medical dictionary. 2011.