Alfred W. Oberhofer

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Downers Grove, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Treatment and prevention of fouled water treatment solids
- Patent number 4,770,790
- Issue date Sep 13, 1988
- Nalco Chemical Company
- Alfred W. Oberhofer
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Use of benzo and tolyltriazole as copper corrosion inhibitors for b...
- Patent number 4,657,785
- Issue date Apr 14, 1987
- Nalco Chemical Company
- John A. Kelly
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Automotive cleaner plus inhibitor
- Patent number 3,962,109
- Issue date Jun 8, 1976
- Nalco Chemical Company
- Alfred W. Oberhofer
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Cleaner for automotive engine cooling system
- Patent number 3,959,166
- Issue date May 25, 1976
- Nalco Chemical Company
- Alfred W. Oberhofer
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...