Robert J. Guerrini

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Aliquippa, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Inorganic composition, process of preparation and method of use
- Patent number 6,656,377
- Issue date Dec 2, 2003
- Calgon Corporation
- Denis E. Hassick
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Inorganic composition, process of preparation and method of use
- Patent number 6,306,308
- Issue date Oct 23, 2001
- Nalco Chemical Company
- Denis E. Hassick
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Composition useful for treating suspended solids and color bodies i...
- Patent number 5,382,378
- Issue date Jan 17, 1995
- Calgon Corporation
- Robert J. Guerrini
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method for removing solids from systems containing water-based paints
- Patent number 5,240,509
- Issue date Aug 31, 1993
- Calgon Corporation
- Paul A. Rey
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
Inorganic composition, process of preparation and method of use
- Publication number 20040014989
- Publication date Jan 22, 2004
- Denis E. Hassick
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Inorganic composition, process of preparation and method of use
- Publication number 20020130087
- Publication date Sep 19, 2002
- Denis E. Hassick
- C01 - INORGANIC CHEMISTRY