IP Library Assignment 004913/0626
Patent Assignment
Reel/Frame 004913/0626

Assignment of Assignors Interest.

Recorded: 1988-07-13 Pages: 1
Assignor
SYRINEK, ALLEN R.
Executed: 1988-04-28
Assignee
NALCO CHEMICAL COMPANY
A DE CORP., NAPERVILLE, ILLINOIS
Covered Property (1)
Dispersant for Vinyl Acetate Unit Fouling
Patent: 4,902,824 →
Application: 07/191,641 →
Related Assignments (8)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Mar 7, 1996
From: NALCO CHEMICAL COMPANY
To: NALCO/ EXXON ENERGY CHEMICALS, L.P.
Reel/Frame 007846/0309 →
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 9, 2006
From: ONDEO NALCO ENERGY SERVICES, L.P.
To: NALCO ENERGY SERVICES, L.P.
Reel/Frame 017145/0498 →
Merger Feb 15, 2006
From: NALCO ENERGY SERVICES, L.P.
To: NALCO COMPANY
Reel/Frame 017164/0856 →
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 →