Patent Assignment
Reel/Frame 005151/0099
Assignment of Assignors Interest.
Recorded: 1989-09-19
Pages: 1
Assignee
BEECHAM GROUP P.L.C.
BEECHAM HOUSE GREAT WEST RD., BRENTFORD, MIDDLESEX TW8 9BD, ENGLAND, UNITED KINGDOM
Covered Property
(1)
Chemical Process for the Preparation of Purine Derivatives
Patent:
5,138,057 →
Application:
07/409,526 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.