Patent Assignment
Reel/Frame 005736/0406
Assignment of Assignors Interest.
Recorded: 1991-06-14
Pages: 3
Assignor
GIST-BROCADES N.V., A CORPORATION OF THE NETHERLANDS
Executed: 1991-06-03
Assignee
ROUSSEL UCLAF A CORPORATION OF FRANCE
35 BOULEVARD DES INVALIDES, 75007 PARIS, FRANCE
Covered Properties
(4)
Preparation of 20-Keto- 16-Steroids
Patent:
4,551,278 →
Application:
06/604,734 →
New Process for the Preparation of 21-Hydroxy-2-Keto-DELTA16- Steroids and New Intermediate Compounds Formed in This Process
Patent:
4,548,749 →
Application:
06/604,735 →
Novel 17-Substituted Steroids
Patent:
4,647,410 →
Application:
06/604,868 →
Process for the Preparation of N-(Sulfonylmethyl) Formamide Compounds
Patent:
4,922,016 →
Application:
07/385,583 →
Related Assignments
(5)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Jun 25, 1985
From: VAN LEUSEN, ALBERT M.; VAN LEUSEN, ADRIAAN M.
To: GIST-BROCADES N.V., A CORP OF THE NETHERLANDS
Reel/Frame 004422/0079 →
Assignment of Assignors Interest.
Jul 16, 1985
From: VAN LEUSEN, ALBERT M.; VAN LEUSEN, ADRIAAN M.
To: GIST-BROCADES N.V.
Reel/Frame 004427/0748 →
Assignment of Assignors Interest.
Dec 2, 1985
From: VAN LEUSEN, ALBERT M.; VAN LEUSEN, ADRIAAN M.
To: GIST-BROCADES N.V., A CORP. OF THE NETHERLANDS
Reel/Frame 004483/0635 →
Change of Name
Apr 23, 1998
From: ROUSSEL UCLAF
To: HOECHST MARION ROUSSEL
Reel/Frame 009168/0986 →
Merger
Feb 1, 2001
From: ROUSSEL, HOECHST MARION
To: AVENTIS PHARMA S.A.
Reel/Frame 011497/0001 →