Patent Assignment
Reel/Frame 013113/0808
Assignment of Assignor's Interest
Recorded: 2002-07-22
Pages: 2
Assignors
BRADY, JR, BILL L.
Executed: 2002-06-10
WEYMANS, GUNTHER
Executed: 2002-06-10
KEGGENHOFF, BERTHOLD
Executed: 2002-06-10
STEFFENS, FRIEDHEIM
Executed: 2002-06-16
Assignee
BAYER CORPORATION
PATENT DEPARTMENT, 100 BAYER ROAD, PITTSBURGH, PENNSYLVANIA, 15205
Covered Property
(1)
Process for Purification of Anhydrous Hydrogen Chloride Gas
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Dec 16, 2002
From: BRADY, BILL L., JR.; WEYMANS, GUENTHER; KEGGENHOFF, BERTHOLD; STEFFENS, FRIEDHELM
To: BAYER CORPORATION; BAYER AKTIENGESELLSCHAFT
Reel/Frame 014038/0172 →
Assignment of Assignor's Interest
Mar 2, 2015
From: BAYER CORPORATION
To: BAYER MATERIALSCIENCE LLC
Reel/Frame 035064/0270 →
Change of Name
Oct 16, 2015
From: BAYER MATERIALSCIENCE LLC
To: COVESTRO LLC
Reel/Frame 036876/0585 →