DJ

Donald A. Johnson

NC Nalco Chemical: 1 patents #17 of 56Top 35%
SC Schering: 1 patents #91 of 274Top 35%
🗺 Illinois: #421 of 4,656 inventorsTop 10%
Overall (1997): #41,996 of 185,788Top 25%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5647995 Method for the control of calcium carbonate scale using compounds prepared from acetylenic compounds and inorganic phosphite salts and their derivatives James F. Kneller, Vytas Narutis, Binaifer S. Khambatta 1997-07-15
5599557 Stable hydrated cephalosporin dry powder for oral suspension formulation Lorraine Wearley, Rebecca Galeos, Joel A. Sequeira 1997-02-04