Patent Assignment
Reel/Frame 005061/0121
Assignment of Assignors Interest.
Recorded: 1989-04-05
Pages: 2
Assignor
ELSHEIK, MAHER Y.
Executed: 1989-03-30
Assignee
Covered Property
(1)
Gas Phase Process for the Production of 1,1-Dichloro-1-Fluoroethane and/or 1-Chloro-1,1-Difluoroethane from Vinylidene Chloride
Application:
07/333,475 →
Related Assignments
(3)
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 →
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 →