Covered Property (1)

Related Assignments (13)

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 Jan 25, 2006

From: ONDEO NALCO ENERGY SERVICES, L.P.

To: NALCO ENERGY SERVICES, L.P.

Reel/Frame 017057/0936 →

Merger Feb 7, 2006

From: NALCO ENERGY SERVICES, L.P.

To: NALCO COMPANY

Reel/Frame 017125/0513 →

Security Agreement May 18, 2009

From: NALCO COMPANY; CALGON LLC; NALCO ONE SOURCE LLC; NALCO CROSSBOW WATER LLC

To: BANK OF AMERICA, N.A., AS COLLATERAL AGENT

Reel/Frame 022703/0001 →

Release of Security Interest Jun 18, 2015

From: BANK OF AMERICA, N.A.

To: NALCO COMPANY

Reel/Frame 035976/0609 →

Release of Security Interest Feb 24, 2017

From: BANK OF AMERICA, N.A.

To: NALCO COMPANY

Reel/Frame 041808/0713 →

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 →

Change of Name Feb 28, 2017

From: NALCO COMPANY

To: NALCO COMPANY LLC

Reel/Frame 041836/0364 →

Change of Name Feb 28, 2017

From: NALCO COMPANY

To: NALCO COMPANY LLC

Reel/Frame 041835/0903 →

Assignment of Assignor's Interest Apr 4, 2017

From: NALCO COMPANY

To: ECOLAB USA INC.

Reel/Frame 042147/0420 →