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Donald Johnson
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Batavia, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Systems and techniques for cleaning pressure membrane systems using...
Patent number
12,097,467
Issue date
Sep 24, 2024
Ecolab USA Inc.
Seong-Hoon Yoon
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process and method for reducing metal corrosion in water
Patent number
11,572,628
Issue date
Feb 7, 2023
Ecolab USA Inc.
Yanjiao Xie
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Tetrazole based corrosion inhibitors
Patent number
10,899,721
Issue date
Jan 26, 2021
Ecolab USA Inc.
Jothibasu Seetharaman
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Corrosion inhibitors
Patent number
10,190,222
Issue date
Jan 29, 2019
Ecolab USA Inc.
Jothibasu Seetharaman
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Tetrazole based corrosion inhibitors
Patent number
9,771,336
Issue date
Sep 26, 2017
Ecolab USA Inc.
Jothibasu Seetharaman
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Tungstate based corrosion inhibitors
Patent number
7,968,007
Issue date
Jun 28, 2011
Nalco Company
Craig W. Myers
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for chemistry control in cooling systems
Patent number
7,632,412
Issue date
Dec 15, 2009
Nalco Company
Donald A. Johnson
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Tungstate based corrosion inhibitors
Patent number
7,402,263
Issue date
Jul 22, 2008
Nalco Company
Craig W. Myers
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Stabilized bromine solutions, method of making and uses thereof for...
Patent number
6,669,904
Issue date
Dec 30, 2003
Ondeo Nalco Company
Shunong Yang
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Method for measuring the rate of a fouling reaction induced by heat...
Patent number
6,250,140
Issue date
Jun 26, 2001
Nalco Chemical Company
Dmitri Kouznetsov
G01 - MEASURING TESTING
Information
Patent Grant
Phosphinate compounds prepared from acetylenic compounds and inorga...
Patent number
5,783,728
Issue date
Jul 21, 1998
Nalco Chemical Company
James F. Kneller
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for the control of calcium carbonate scale using compounds p...
Patent number
5,647,995
Issue date
Jul 15, 1997
Nalco Chemical Company
James F. Kneller
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Carbon steel corrosion inhibitors
Patent number
5,589,106
Issue date
Dec 31, 1996
Nalco Chemical Company
Sang-Hea Shim
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method of preventing yellow metal corrosion in aqueous systems with...
Patent number
5,503,775
Issue date
Apr 2, 1996
Nalco Chemical Company
Narasimha M. Rao
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Process for removal of primarily iron oxide deposits
Patent number
5,466,297
Issue date
Nov 14, 1995
Nalco Chemical Company
Walter H. Goodman
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for using ozone in cooling towers
Patent number
5,415,783
Issue date
May 16, 1995
Nalco Chemical Company
Donald A. Johnson
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Compositions comprising transition metals for treating and monitori...
Patent number
5,200,106
Issue date
Apr 6, 1993
Nalco Chemical Company
John E. Hoots
G01 - MEASURING TESTING
Information
Patent Grant
Oligomer containing phosphinate compositions and their method of ma...
Patent number
5,085,794
Issue date
Feb 4, 1992
Nalco Chemical Company
James F. Kneller
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Zinc stabilization with modified acrylamide based polymers and corr...
Patent number
5,049,310
Issue date
Sep 17, 1991
Nalco Chemical Company
Donald A. Johnson
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Continuous on-stream monitoring of cooling tower water
Patent number
4,992,380
Issue date
Feb 12, 1991
Nalco Chemical Company
Barbara E. Moriarty
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Zinc stabilization with modified acrylamide based polymers and corr...
Patent number
4,973,428
Issue date
Nov 27, 1990
Nalco Chemical Company
Donald A. Johnson
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Transition metals as treatment chemical tracers
Patent number
4,966,711
Issue date
Oct 30, 1990
Nalco Chemical Company
John E. Hoots
G01 - MEASURING TESTING
Information
Patent Grant
Cooling water corrosion inhibition method
Patent number
4,929,425
Issue date
May 29, 1990
Nalco Chemical Company
John E. Hoots
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Cooling water corrosion inhibition method
Patent number
4,923,634
Issue date
May 8, 1990
Nalco Chemical Company
John E. Hoots
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Modified maleic anhydride polymers and the like for use as scale in...
Patent number
4,919,821
Issue date
Apr 24, 1990
Nalco Chemical Company
Dodd W. Fong
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Cooling water corrosion control method and composition
Patent number
4,904,413
Issue date
Feb 27, 1990
Nalco Chemical Company
John E. Hoots
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Zinc stabilization with modified acrylamide based polymers and corr...
Patent number
4,898,686
Issue date
Feb 6, 1990
Nalco Chemical Company
Donald A. Johnson
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Modified acrylamide polymers used as scale inhibitors
Patent number
4,801,388
Issue date
Jan 31, 1989
Nalco Chemical Company
Dodd W. Fong
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Composition of corrosion inhibitors for cooling water systems using...
Patent number
4,756,881
Issue date
Jul 12, 1988
Nalco Chemical Company
John E. Hoots
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Cooling water corrosion inhibition method
Patent number
4,752,443
Issue date
Jun 21, 1988
Nalco Chemical Company
John E. Hoots
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Patents Applications
last 30 patents
Information
Patent Application
NONFERROUS METAL CORROSION INHIBITORS AND METHODS OF USING SAME
Publication number
20240368769
Publication date
Nov 7, 2024
SOLUGEN, INC.
Donald A. Johnson
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
PROTECTIVE COMPOSITIONS FOR USE IN SYSTEMS COMPRISING INDUSTRIAL WATER
Publication number
20230061502
Publication date
Mar 2, 2023
SOLUGEN, INC.
Jun Su An
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
SYSTEMS AND TECHNIQUES FOR CLEANING PRESSURE MEMBRANE SYSTEMS USING...
Publication number
20220226782
Publication date
Jul 21, 2022
ECOLAB USA INC.
Seong-Hoon Yoon
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PROCESS AND METHOD FOR REDUCING METAL CORROSION IN WATER
Publication number
20190203362
Publication date
Jul 4, 2019
ECOLAB USA INC.
Yanjiao Xie
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
TETRAZOLE BASED CORROSION INHIBITORS
Publication number
20180009768
Publication date
Jan 11, 2018
ECOLAB USA INC.
Jothibasu Seetharaman
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Novel Corrosion Inhibitors
Publication number
20160348251
Publication date
Dec 1, 2016
ECOLAB USA INC.
Jothibasu Seetharaman
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
TETRAZOLE BASED CORROSION INHIBITORS
Publication number
20150152329
Publication date
Jun 4, 2015
ECOLAB USA INC.
Jothibasu Seetharaman
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
METHOD FOR MINIMIZING CORROSION, SCALE, AND WATER CONSUMPTION IN CO...
Publication number
20090277841
Publication date
Nov 12, 2009
Donald A. Johnson
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
METHOD OF INHIBITING CORROSION ON FERROUS METAL SURFACES IN CONTACT...
Publication number
20090007616
Publication date
Jan 8, 2009
Phillip E. Bureman
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
TUNGSTATE BASED CORROSION INHIBITORS
Publication number
20080289384
Publication date
Nov 27, 2008
Craig W. Myers
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
METHOD FOR CHEMISTRY CONTROL IN COOLING SYSTEMS
Publication number
20080105621
Publication date
May 8, 2008
Donald A. Johnson
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
Tungstate based corrosion inhibitors
Publication number
20060237684
Publication date
Oct 26, 2006
Craig W. Myers
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...