IP Library Assignment 007438/0544
Patent Assignment
Reel/Frame 007438/0544

Assignment of Assignor's Interest

Recorded: 1995-03-28 Pages: 2
Assignors
BRIETZKE, STEPHAN
Executed: 1995-02-20
MILLAUER, HANS
Executed: 1995-02-20
Assignee
HOECHST AG
D-65926 FRANKFURT AM MAIN, GERMANY
Covered Property (1)
Process for Preparing 4,4'-Dimethyl-1,1'-Binaphthyl
Patent: 5,522,982 →
Application: 08/411,475 →
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 →