Patent Assignment
Reel/Frame 004882/0288
Assignment of Assignors Interest.
Recorded: 1988-05-06
Pages: 2
Covered Property
(1)
Preparation of Alkanesulfonyl Halides and Alkanesulfonic Acids
Application:
07/164,599 →
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 →