Brian S. Johnson

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Warrenville, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of monitoring treating agent residuals in water treatment pr...
- Patent number 7,910,371
- Issue date Mar 22, 2011
- Nalco Company
- Brian S. Johnson
- G01 - MEASURING TESTING
Information Patent Grant
Method of reducing fouling in filters for industrial water system a...
- Patent number 6,662,636
- Issue date Dec 16, 2003
- Ondeo Nalco Company
- Jitendra T. Shah
- G01 - MEASURING TESTING
Information Patent Grant
Derivatized Rhodamine dye and its copolymers
- Patent number 5,998,632
- Issue date Dec 7, 1999
- Nalco Chemical Company
- William J. Ward
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Luminol tagged polymers for treatment of industrial systems
- Patent number 5,958,788
- Issue date Sep 28, 1999
- Nalco Chemical Company
- Brian S. Johnson
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Derivatized rhodamine dye and its copolymers
- Patent number 5,808,103
- Issue date Sep 15, 1998
- Nalco Chemical Company
- William J. Ward
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Derivatized rhodamine dye and its copolymers
- Patent number 5,772,894
- Issue date Jun 30, 1998
- Nalco Chemical Company
- William J. Ward
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
Method of heavy metal removal from industrial wastewater using subm...
- Publication number 20080060999
- Publication date Mar 13, 2008
- Deepak A. Musale
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Method of monitoring treating agent residuals and controlling treat...
- Publication number 20060160227
- Publication date Jul 20, 2006
- Gopi Nath Sethumadhavan
- G01 - MEASURING TESTING
Information Patent Application
Method of monitoring treating agent residuals in water treatment pr...
- Publication number 20060160226
- Publication date Jul 20, 2006
- Brian S. Johnson
- G01 - MEASURING TESTING
Information Patent Application
Method of reducing fouling in filters for industrial water system a...
- Publication number 20030110842
- Publication date Jun 19, 2003
- Jitendra T. Shah
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Polyamphoteric polymers for raw water treatment
- Publication number 20020179538
- Publication date Dec 5, 2002
- Brian S. Johnson
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE