IP Library Assignment 007890/0416
Patent Assignment
Reel/Frame 007890/0416

Assignment of Assignor's Interest

Recorded: 1996-01-29 Pages: 2
Assignor
KLEINER, HANS-JERG
Executed: 1996-01-08
Assignee
HOECHST AKTIENGESELLSCHAFT PATENT AND LICENSING DEPARTMENT
BUILDING K-801, D-65926 FRANKFURT AM MAIN, GERMANY
Covered Property (1)
Alkyl Arylphosphinites
Patent: 5,705,669 →
Application: 08/593,667 →
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 →