IP Library › Assignment 021351/0223
Patent Assignment
Reel/Frame 021351/0223

Assignment of Assignor's Interest

Recorded: 2008-08-06 Pages: 2
Assignors
ZECHA, HELMUT
Executed: 2005-09-23
KUENSTLE, HOLGER
Executed: 2005-09-23
Assignee
AIR PRODUCTS POLYMERS, L.P.
7201 HAMILTON BLVD, ALLENTOWN, PENNSYLVANIA, 18195-1501
Covered Property (1)
Process of Making a Vinyl Ester Based Polymer Latex Composition
Patent: 7,649,067 →
Application: 11/254,099 →
Publication: US 2007/0088120
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Nov 15, 2005
From: ZECHA, HELMUT; KUENSTLE, HOLGER
To: AIR PRODUCTS AND CHEMICALS, INC.
Reel/Frame 017017/0892 →
Assignment of Assignor's Interest Oct 1, 2008
From: WACKER POLYMERS L.P.
To: WACKER CHEMICAL CORPORATION
Reel/Frame 021603/0617 →
Change of Name Aug 24, 2009
From: AIR PRODUCTS POLYMERS, L.P.
To: WACKER POLYMERS, L.P.
Reel/Frame 023137/0372 →
Corrective Assignment to Correct the to Remove the Incorrect U.S. Serial No. 10/666,691; Patent No. 7,343,048 Previously Recorded on Reel 021603 Frame 0617. Assignor(S) Hereby Confirms the Assignment. Oct 30, 2017
From: WACKER POLYMERS L.P.
To: WACKER CHEMICAL CORPORATION
Reel/Frame 044039/0755 →