IP Library › Assignment 004973/0474
Patent Assignment
Reel/Frame 004973/0474

Assignment of Assignors Interest.

Recorded: 1988-11-10 Pages: 1
Assignors
CABRE CASTELLVI, JUAN
Executed: 1988-11-03
DIAGO MESEGUER, JOSE
Executed: 1988-11-03
ESTEVE BIANCHINI, ASUNCION
Executed: 1988-11-03
SANS PITARCH, ESTEVE
Executed: 1988-11-03
Assignee
GEMA, S.A.
VIA AUGUSTA 158, 08006-BARCELONA, SPAIN
Covered Property (1)
N,N'-Carbonyl-Bis-(4-Ethyl-2,3-Dioxo)-Piperazine
Patent: 4,965,358 →
Application: 07/269,916 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Sep 19, 1994
From: GEMA S.A.
To: BIOCHEMIE S.A.
Reel/Frame 007338/0475 →
Assignment of Assignor's Interest Apr 10, 1996
From: S.A., BIOCHEMIE
To: BIOCHEMIE, S.A.
Reel/Frame 007888/0569 →