IP Library › Assignment 007257/0229
Patent Assignment
Reel/Frame 007257/0229

Assignment of Assignor's Interest

Recorded: 1994-12-02 Pages: 3
Assignors
ZERBES, RUDOLF
Executed: 1994-11-02
NAAB, PAUL
Executed: 1994-11-02
FRANCKOWIAK, GERHARD
Executed: 1994-11-09
DIEHL, HERBERT
Executed: 1994-11-09
Assignee
BAYER AKTIENGESELLSCHAFT
LEVERKUSEN, D 51368, GERMANY
Covered Property (1)
One-Pot Process for the Preparation of 3-Quinolonecarboxylic Acid Derivatives
Patent: 5,639,886 →
Application: 08/348,400 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Nov 18, 2009
From: BAYER AKTIENGESELLSCHAFT
To: BAYER SCHERING PHARMA AKTIENGESELLSCHAFT
Reel/Frame 023525/0710 →
Assignment of Assignor's Interest Sep 15, 2016
From: BAYER PHARMA AKTIENGESELLSCHAFT
To: BAYER INTELLECTUAL PROPERTY GMBH
Reel/Frame 039756/0128 →