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John W. Sparapany

NC Nalco Chemical: 2 patents #6 of 58Top 15%
📍 Bolingbrook, IL: #8 of 49 inventorsTop 20%
🗺 Illinois: #618 of 5,836 inventorsTop 15%
Overall (2002): #57,542 of 266,432Top 25%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6413433 Method for dewatering of sludge Elise E. Maury, Livio Mattucci, Fernando Urbani, Massimo Borelli 2002-07-02
6398967 Method of clarifying water using low molecular weight cationic dispersion polymers Richard P. Cardile, Cathy C. Johnson, Angela P. Zagala 2002-06-04