Patent Assignment
Reel/Frame 008564/0438
Assignment of Assignor's Interest
Recorded: 1997-05-14
Pages: 2
Assignor
KELKAR, CHANDRASHEKHAR P.
Executed: 1997-05-07
Assignee
ARISTECH CHEMICAL CORPORATION
ROOM 1185, LAW DEPARTMENT, 600 GRANT STREET, PITTSBURGH, PENNSYLVANIA, 15219
Covered Property
(1)
Simplified Synthesis of Anion Intercalated Hydrotalcites
Patent:
5,814,291 →
Application:
08/856,157 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 5, 2002
From: ARISTECH CHEMICAL CORPORATION
To: SUNOCO, INC. (R&M)
Reel/Frame 012665/0008 →
Assignment of Assignor's Interest
Jul 1, 2004
From: SUNOCO, INC.
To: INTERCAT, INC.
Reel/Frame 014805/0430 →
Change of Name
Aug 12, 2014
From: INTERCAT, INC.
To: JOHNSON MATTHEY PROCESS TECHNOLOGIES, INC.
Reel/Frame 033521/0765 →