Patent Assignment
Reel/Frame 005057/0569
Assignment of Assignors Interest.
Recorded: 1989-03-27
Pages: 2
Assignor
AHLUWALIA, MADHU R.
Executed: 1989-03-23
Covered Property
(1)
Method of Producing Pulp
Patent:
5,032,224 →
Application:
07/328,678 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Apr 23, 1990
From: STEPAN COMPANY
To: EXXON CHEMICAL PATENTS, INC., A CORP. OF DELAWARE
Reel/Frame 005278/0959 →
Assignment of Assignor's Interest
Dec 21, 1995
From: EXXON CHEMICAL PATENTS, INC,
To: CALLAWAY CHEMICAL COMPANY
Reel/Frame 007744/0783 →
Assignment of Assignor's Interest
Nov 17, 1998
From: EXXON CHEMICAL PATENTS, INC.
To: CALLAWAY CHEMICAL COMPANY
Reel/Frame 009586/0268 →
Assignment of Assignor's Interest
Aug 11, 2003
From: CALLAWAY CHEMICAL COMPANY
To: KEMIRA CHEMICALS, INC.
Reel/Frame 015116/0419 →