IP Library Assignment 007619/0429
Patent Assignment
Reel/Frame 007619/0429

Assignment of Assignor's Interest

Recorded: 1995-08-03 Pages: 2
Assignors
NAUMANN, CHRISTOPH
Executed: 1995-06-26
REGNAT, DIETER
Executed: 1995-06-26
Assignee
HOECHST AG
D-65926 FRANKFURT AM MAIN, GERMANY
Covered Property (1)
Compounds of the Phosphine Group, Their Preparation and Their Use
Patent: 5,728,886 →
Application: 08/510,789 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jun 15, 2000
From: AVENTIS RESEARCH & TECHNOLOGIES GMBH & CO. KG
To: CELANESE GMBH
Reel/Frame 010901/0246 →
Assignment of Assignor's Interest Jun 15, 2000
From: HOECHST AKTIENGESELLSCHAFT
To: AVENTIS RESEARCH & TECHNOLOGY GMBH & CO. KG
Reel/Frame 010901/0425 →