Patent Assignment
Reel/Frame 005177/0847
Assignment of Assignors Interest.
Recorded: 1989-11-16
Pages: 3
Assignors
SANDLER, STANLEY R.
Executed: 1989-11-10
SCHON, STEVEN G.
Executed: 1989-11-10
GARDNER, DAVID M.
Executed: 1989-11-10
Assignee
PENNWALT CORPORATION
THREE PARKWAY, PHILADELPHIA, PENNSYLVANIA, 19102
Covered Property
(1)
Process for the Preparation of Alkane- and Arenesulfonamides
Patent:
5,068,427 →
Application:
07/438,389 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Effective on 12/29/1989PA
May 15, 1990
From: ATOCHEM INC., M&T CHEMICALS INC., AND PENWALT CORPORATION MERGED AND CHANGES NAME
To: ATOCHEM NORTH AMERICA, INC.
Reel/Frame 005368/0602 →
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 →