IP Library Assignment 007022/0993
Patent Assignment
Reel/Frame 007022/0993

Assignment of Assignor's Interest

Recorded: 1994-06-14 Pages: 5
Assignors
WHITE, STEVEN K.
Executed: 1994-05-24
HWANG, CHAN KOU
Executed: 1994-05-24
WINN, DAVID T.
Executed: 1994-05-31
Assignee
LIGAND PHARMACEUTICALS INCORPORATED
9393 TOWNE CENTRE DRIVE, SAN DIEGO, CALIFORNIA, 92121
Covered Property (1)
Methods for Stereospecific Synthesis of Polyene Compounds
Patent: 5,567,855 →
Application: 08/230,939 →
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Aug 6, 2008
From: LIGAND PHARMACEUTICALS INCORPORATED; SERAGEN, INC.
To: EISAI INC.
Reel/Frame 021339/0344 →