IP Library Granted Patent US 7,731,949
Granted Patent B2
US 7,731,949 · App. 11/974,744 · Granted Jun 8, 2010

4-ethynyl pyrazole derivative compounds and methods for treatment of HCV

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Quick Facts
Patent No.
US 7,731,949
App. No.
11/974,744
Granted
Jun 8, 2010
Kind
B2
Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 5, 2011
From: LIU, YIXIN
To: XTL BIOPHARMACEUTICALS LTD.
Reel/Frame 025590/0338 →
LICENSE Recorded Apr 7, 2008
From: XTL BIOPHARMACEUTICALS LTD.
To: PRESIDIO PHARMACEUTICALS, INC.
Reel/Frame 020762/0273 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 19, 2008
From: LI, GOULIN; FATHI, REZA; YANG, ZHEN; LIAO, YUN; ZHU, QIANG; LAM, ANGELA; SANDRASAGRA, ANTHONY; NAWOSCHIK, KENNETH; CHO, HYUN-JOON; CAO, JIE; RUOQIU, WU; WOBBE, C. RICHARD
To: XTL BIOPHARMACEUTICALS LTD.
Reel/Frame 020672/0520 →