Patent Assignment
Reel/Frame 022321/0927
Assignment of Assignor's Interest
Recorded: 2009-02-26
Pages: 2
Assignee
AIR PRODUCTS AND CHEMICALS, INC.
7201 HAMILTON BLVD., PATENT DEPT., ALLENTOWN, PENNSYLVANIA, 18195-1501
Covered Property
(1)
Hydrogenation of Methylenedianiline
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 24, 2004
From: DING, HAO; CARTOLANO, ANTHONY ROCCO; DHOLAKIA, VIPUL P.; VEDAGE, GAMINI ANANDA
To: AIR PRODUCTS AND CHEMICAL, INC.
Reel/Frame 015729/0249 →
Assignment of Assignor's Interest
Feb 12, 2018
From: AIR PRODUCTS AND CHEMICALS, INC.
To: EVONIK DEGUSSA GMBH
Reel/Frame 045308/0161 →
Change of Name
Apr 20, 2020
From: EVONIK DEGUSSA GMBH
To: EVONIK OPERATIONS GMBH
Reel/Frame 052442/0906 →