Assignment of Assignors Interest.

Recorded: 1989-07-10 Pages: 2

View PDF Order Certified Copy

Assignor

WISMER, JOHN A.

Executed: 1989-06-30

Assignee

PENNWALT CORPORATION, THREE PARKWAY, PHILADELPHIA, PA. 19102, A PA. CORP.

Covered Property (1)

Process for Continuous Liquid Phase Reaction of Hydrogen Fluoride and 1,1,1-Trichloroethane to Provide 1,1-Dichloro-1-Fluoroethane and 1-Chloro-1,1-Difluoroethane Mixtures

Application: 07/365,345 →

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 →