IP Library Assignment 008148/0097
Patent Assignment
Reel/Frame 008148/0097

Assignment of Assignor's Interest

Recorded: 1996-09-19 Pages: 2
Assignor
KLEINER, HANS-JERG
Executed: 1996-07-08
Assignee
HOECHST AKTIENGESELLSCHAFT
PATENT AND LICENSING DEPARTMENT, BUILDING K 801, D-65926 FRANKFURT AM MAIN 80, GERMANY
Covered Property (1)
Process for the Preparation of Secondary Arylphosphines
Patent: 5,648,549 →
Application: 08/683,532 →
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 →