IP Library Assignment 018557/0214
Patent Assignment
Reel/Frame 018557/0214

Assignment of Assignor's Interest

Recorded: 2006-11-28 Pages: 2
Assignors
WEITZEL, HANS-PETER
Executed: 2006-11-07
LUTZ, HERMANN
Executed: 2006-11-07
Assignee
WACKER POLYMER SYSTEMS GMBH & CO. KG
JOHANNES-HESS-STR. 24, BURGHAUSEN, 84489, GERMANY
Covered Property (1)
Use of vinyl chloride-ethylene copolymers for hydrophobing construction substances
Application: 11/569,700 →
Publication: US 2007/0173574
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Oct 1, 2008
From: WACKER POLYMER SYSTEMS GMBH & CO. KG
To: WACKER CHEMIE AG
Reel/Frame 021603/0608 →