Patent Assignment
Reel/Frame 004527/0630
Assignment of Assignors Interest.
Recorded: 1986-03-11
Pages: 1
Assignee
NL INDUSTRIES, INC.
1230 AVENUE OF THE AMERICAS, A CORP. OF NEW JERSEY, NEW YORK, NEW YORK
Covered Property
(1)
Process for Removal of Mercaptans from Gas Streams
Patent:
4,690,805 →
Application:
06/838,379 →
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Nov 2, 1992
From: NL INDUSTRIES, INC.
To: EXXON CHEMICAL PATENTS, INC.
Reel/Frame 006372/0248 →
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
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 →