Patent Assignment
Reel/Frame 004906/0562
Assignment of Assignors Interest.
Recorded: 1988-06-27
Pages: 3
Assignors
YEN, JEFFREY HSING-GAN
Executed: 1988-06-16
CARROLL, GLENN T.
Executed: 1988-06-16
SRINIVAS, VIJAY R.
Executed: 1988-06-16
TUSZYNSKI, WILLIAM J.
Executed: 1988-06-16
WISMER, JOHN A.
Executed: 1988-06-16
Assignee
PENNWALT CORPORATION
THREE PARKWAY, A CORP. OF PA, PHILADELPHIA, PENNSYLVANIA
Covered Property
(1)
Process for Removing Sulfur from Organic Polysulfides
Patent:
5,242,672 →
Application:
07/188,863 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger and Change of Name Effective on December 31, 1989, in Pennsylvania
Sep 17, 1990
From: ATOCHEM INC., A DE CORP. (MERGED INTO); M&T CHEMICALS INC., A DE CORP. (MERGED INTO); PENNWALT CORPORATION, A PA CORP. (CHANGED TO)
To: ATOCHEM NORTH AMERICA, INC., A PA CORP.
Reel/Frame 005496/0003 →
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 →