IP Library Assignment 007351/0480
Patent Assignment
Reel/Frame 007351/0480

Assignment of Assignor's Interest

Recorded: 1995-02-09 Pages: 2
Assignors
PFIRMANN, RALF
Executed: 1994-12-08
PAPENFUHS, THEODOR
Executed: 1994-12-08
Assignee
HOECHST AG
GEBAUDE F 821, ZENTRALE PATENTABTEILUNG, D-65926 FRANKFURT AM MAIN, GERMANY
Covered Property (1)
Process for the Preparation of 4-Alkoxy-3,5,6-Trifluoro-Phthalic Acids and 3-Alkoxy-2,4,5-Trifluorobenzoic Acids
Patent: 5,488,152 →
Application: 08/386,292 →
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jul 15, 2003
From: HOECHST AKTIENGESELLSCHAFT
To: CLARIANT GMBH
Reel/Frame 014294/0603 →