IP Library Assignment 008502/0199
Patent Assignment
Reel/Frame 008502/0199

Assignment of Assignor's Interest

Recorded: 1996-10-30 Pages: 5
Assignors
MCGEE, DANNY P.C.
Executed: 1996-10-10
PIEKEN, WOLFGANG A.
Executed: 1996-10-10
SEBESTA, DAVID P.
Executed: 1996-10-10
ZHAI, YANSHENG
Executed: 1996-10-15
Assignee
NEXSTAR PHARMACEUTICALS, INC.
2860 WILDERNESS PLACE, SUITE 200, BOULDER, COLORADO, 80301
Covered Property (1)
Novel Method of Preparation of Known and Novel 2' -Modified Nucleosides by Intramolecular Nucelophilic Displacement
Patent: 6,090,932 →
Application: 08/732,283 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Sep 11, 1998
From: NEXSTAR PHARMACEUTICALS, INC., A CORPORATION OF DELAWARE
To: PROLIGO L.L.C.
Reel/Frame 009443/0728 →
Merger Mar 20, 2006
From: PROLIGO LLC
To: SIGMA-ALDRICH CO.
Reel/Frame 017336/0001 →