IP Library Assignment 004177/0603
Patent Assignment
Reel/Frame 004177/0603

Assignment of Assignors Interest.

Recorded: 1983-10-11 Pages: 1
Assignors
EHRL, WINFRIED
Executed: 1982-01-22
JUNG, SIEGFRIED
Executed: 1982-01-22
Assignee
HOECHST AKTIENGESELLSCHAFT
A GERMAN CORP., D-6230 FRANKFURT AM MAIN 80, GERMANY
Covered Property (1)
Fluorine-Containing Alkylsulfobetaines, a Process for Their Preparation and Their Use
Patent: 4,430,272 →
Application: 06/347,178 →
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jun 5, 2000
From: HOECHST AKTIENGESELLSCHAFT
To: CLARIANT GMBH
Reel/Frame 010881/0555 →