Patent Assignment
Reel/Frame 005273/0578
Assignment of Assignors Interest.
Recorded: 1990-03-29
Pages: 2
Assignor
MC KOWN, CLEM S.
Executed: 1990-03-29
Assignee
ATOCHEM NORTH AMERICA, INC.,
THREE PARKWAY, PHILADELPHIA,, PENNSYLVANIA, 19102
Covered Property
(1)
Ultrasonic Dispersion Nozzle with Internal Shut-Off Mechanism Having Barrier-Fluid Separation Means Incorporated Therewith
Patent:
5,104,042 →
Application:
07/501,215 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
Apr 30, 1990
From: ATOCHEM INC., A CORP. OF DE.; M&T CHEMICALS INC., A CORP. OF DE., (MERGED INTO); PENNWALT CORPORATION, A CORP. OF PA., (CHANGED TO)
To: ATOCHEM NORTH AMERICA, INC.
Reel/Frame 005305/0866 →
Change of Name Effective on 12/31/1991
Apr 22, 1992
From: ATOCHEM NORTH AMERICA INC.
To: ELF ATOCHEM NORTH AMERICA, INC.
Reel/Frame 006094/0524 →
Change of Name
Jul 25, 2000
From: ELF ATOCHEM NORTH AMERICA, INC., A CORP. OF PENNSYLVANIA
To: ATOFINA CHEMICALS, INC., A CORP. OF PENNSYLVANIA
Reel/Frame 011007/0001 →
Change of Name
Nov 15, 2004
From: ATOFINA CHEMICALS, INC.
To: ARKEMA INC.
Reel/Frame 015394/0628 →