IP Library › Assignment 004234/0551
Patent Assignment
Reel/Frame 004234/0551

Assignment of Assignors Interest.

Recorded: 1984-03-21 Pages: 3
Assignors
UDO, KITTELMANN
Executed: 1984-03-07
DIEHL, MANFRED
Executed: 1984-03-02
BERGMANN, ROLAND
Executed: 1984-03-02
STADTMULLER, GUNTER
Executed: 1984-03-02
Assignee
DEGUSSA AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9, 6000 FRANKFURT/MAIN, GERMANY
Covered Property (1)
Process for the Production of Zeolites Modified on the Surface with Organosilanes
Patent: 4,454,056 →
Application: 06/473,634 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Apr 18, 2000
From: DEGUSSA AKTIENGESELLSCHAFT
To: DEGUSSA-HULS AKTIENGESELLSCHAFT
Reel/Frame 010719/0914 →
Merger Oct 6, 2001
From: DEGUSSA-HULS AKTIENGESELLSCHAFT
To: DEGUSSA AG
Reel/Frame 012322/0909 →