IP Library Assignment 007222/0992
Patent Assignment
Reel/Frame 007222/0992

Assignment of Assignor's Interest

Recorded: 1994-11-10 Pages: 2
Assignors
REGNAT, DIETER
Executed: 1994-10-04
KLEINER, HANS-JERG
Executed: 1994-10-04
Assignee
HOECHST AG
ZENTRALE PATENTABTEILUNG, GEBAUDE F 821, D-65926 FRANKFURT AM MAIN, GERMANY
Covered Property (1)
Novel Bis(Diarylalkyl)Phosphines
Patent: 5,600,006 →
Application: 08/337,959 →
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 →