Nhuan P. Nghiem

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Naperville, IL, US

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Patents Grantslast 30 patents

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
Biological process to remove color from paper mill wastewater
- Patent number 5,407,577
- Issue date Apr 18, 1995
- Nalco Chemical Company
- Nhuan P. Nghiem
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process for reducing metal concentration in aqueous systems
- Patent number 5,225,340
- Issue date Jul 6, 1993
- Nalco Chemical Company
- Nhuan P. Nghiem
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE