IP Library › Assignment 004322/0327
Patent Assignment
Reel/Frame 004322/0327

Assignment of Assignors Interest.

Recorded: 1984-10-31 Pages: 3
Assignors
KLEBE, HANS
Executed: 1984-10-09
KOTH, DETLEV
Executed: 1984-10-15
KERNER, DIETER
Executed: 1984-10-15
SCHMID, JOSEF
Executed: 1984-10-08
SCHMID, MANFRED
Executed: 1984-10-08
Assignee
DEGUSSA AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9, 6000 FRANKFURT/MAIN, GERMANY
Covered Property (1)
Process for the Hydrophobization of Pyrogenically Produced Silica
Patent: 4,503,092 →
Application: 06/477,875 →
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 →