IP Library Assignment 006647/0406
Patent Assignment
Reel/Frame 006647/0406

Assignment of Assignor's Interest

Recorded: 1993-08-09 Pages: 3
Assignors
REGNAT, DIETER
Executed: 1993-04-19
KLEINER, HANS-JERG
Executed: 1993-04-19
Assignee
HOECHST AG
ZENTRALE PATENTABTEILUNG POSTFACH 80 03 20, D-6230 FRANKFURT AM MAIN 80, GERMANY
Covered Property (1)
Aryl Phosphinites
Patent: 5,298,644 →
Application: 08/064,259 →
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 →