Patent Assignment
Reel/Frame 006975/0989
Assignment of Assignor's Interest
Recorded: 1994-05-09
Pages: 2
Assignors
MCDOUGALL, LEE A.
Executed: 1993-07-07
MALEKAHMADI, FATI
Executed: 1993-07-07
WILLIAMS, DENNIS A.
Executed: 1993-07-07
Assignee
EXXON CHEMICAL PATENTS INC.
POST OFFICE BOX 710, 1900 EAST LINDEN AVENUE, LINDEN, NEW JERSEY, 07036
Covered Property
(1)
Method of Treating Formations
Patent:
5,370,184 →
Application:
08/070,216 →
Related Assignments
(8)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 10, 1997
From: EXXON CHEMICAL PATENTS, INC.
To: NALCO/EXXON ENERGY CHEMICALS, LP
Reel/Frame 008376/0134 →
Change of Name
Dec 7, 2001
From: NALCO/EXXON ENERGY CHEMICALS, L.P.
To: ONDEO NALCO ENERGY SERVICES, L.P.
Reel/Frame 012312/0854 →
Grant of Security Interest
Dec 8, 2003
From: ONDEO NALCO ENERGY SERVICES, L.P.
To: CITICORP NORTH AMERICA, INC. AS ADMINISTRATIVE AGENT
Reel/Frame 014797/0293 →
Change of Name
Jan 23, 2006
From: ONDEO NALCO ENERGY SERVICES, L.P.
To: NALCO ENERGY SERVICES, L.P.
Reel/Frame 017045/0196 →
Merger
Mar 15, 2006
From: NALCO ENERGY SERVICES, L.P.
To: NALCO COMPANY
Reel/Frame 017303/0524 →
Change of Name
Feb 28, 2017
From: NALCO COMPANY
To: NALCO COMPANY LLC
Reel/Frame 041836/0364 →
Release of Security Interest
Feb 28, 2017
From: CITICORP NORTH AMERICA, INC.
To: NALCO COMPANY
Reel/Frame 041837/0366 →
Assignment of Assignor's Interest
Feb 28, 2017
From: NALCO COMPANY LLC; CALGON CORPORATION; CALGON LLC; ONDEO NALCO ENERGY SERVICES, L.P.
To: ECOLAB USA INC.
Reel/Frame 041836/0437 →