IP Library Assignment 007225/0462
Patent Assignment
Reel/Frame 007225/0462

Assignment of Assignor's Interest

Recorded: 1994-11-14 Pages: 2
Assignors
REGNAT, DIETER
Executed: 1994-09-02
KLEINER, HANS-JERG
Executed: 1994-09-02
Assignee
HOECHST AG
ZENTRALE PATENTABTEILUNG, GEBAUDE F 821, D-65926 FRANKFURT AM MAIN,, GERMANY
Covered Property (1)
Bis(Phosphinozlkoxy)Biaryl Compounds and a Process for Their Preparation
Patent: 5,498,797 →
Application: 08/338,033 →
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 →