Patent Assignment
Reel/Frame 005203/0677
Assignment of Assignors Interest.
Recorded: 1990-01-04
Pages: 1
Assignor
SANDLER, STANLEY R.
Executed: 1989-11-15
Assignee
PENNWALT CORPORATION
THREE PARKWAY A CORP. OF PA, PHILADELPHIA, PENNSYLVANIA
Covered Property
(1)
Preparation of Propanone-1,3-Disulfonic Acid
Application:
07/434,614 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.