IP Library › Assignment 004449/0962
Patent Assignment
Reel/Frame 004449/0962

Assignment of Assignors Interest.

Recorded: 1985-09-06 Pages: 3
Assignors
PANSTER, PETER
Executed: 1985-08-28
GRETHE, HORST
Executed: 1985-08-28
KLEINSCHMIT, PETER
Executed: 1985-08-28
Assignee
DEGUSSA ATIENGESELLSCHAFT, A CORP. OF GERMANY
WEISSFRAUENSTRASSE 9, 6000 FRAKFURT/MAIN, GERMANY
Covered Property (1)
Organopolysiloxanes Containing Sulphonate Groups, Method for the Production and Use Thereof
Patent: 4,552,700 →
Application: 06/507,200 →
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 →