IP Library › Assignment 007723/0735
Patent Assignment
Reel/Frame 007723/0735

Assignment of Assignor's Interest

Recorded: 1995-09-27 Pages: 2
Assignors
NAUMANN, CHRISTOPH
Executed: 1995-07-17
REGNAT, DIETER
Executed: 1995-07-17
Assignee
HOECHST AG
D-65926 FRANKFURT AM MAIN, GERMANY
Covered Property (1)
Diphosphines and Process for Their Preparation
Patent: 5,696,296 →
Application: 08/534,391 →
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 →