Douglas G. Kelley

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Naperville, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of simultaneously cleaning and disinfecting industrial water...
- Patent number 8,668,779
- Issue date Mar 11, 2014
- Nalco Company
- Andrew J. Cooper
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method for inhibiting the formation and deposition of silica scale...
- Patent number 6,461,518
- Issue date Oct 8, 2002
- Nalco Chemical Company
- Konstantinos Demadis
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method for inhibiting the formation and deposition of silica scale...
- Patent number 6,153,106
- Issue date Nov 28, 2000
- Nalco Chemical Company
- Douglas G. Kelley
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Hydrazones as oxygen scavengers in boiler water systems
- Patent number 5,384,050
- Issue date Jan 24, 1995
- Nalco Chemical Company
- Douglas G. Kelley
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Carbohydrazones as boiler water oxygen scavengers
- Patent number 5,258,125
- Issue date Nov 2, 1993
- Nalco Chemical Company
- Douglas G. Kelley
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
Method of simultaneously cleaning and disinfecting industrial water...
- Publication number 20030203827
- Publication date Oct 30, 2003
- Andrew J. Cooper
- B08 - CLEANING