DB

Douglas W. Bruhnke

EA E.I. Du Pont De Nemours And: 5 patents #1,460 of 8,010Top 20%
📍 Landenberg, PA: #63 of 238 inventorsTop 30%
🗺 Pennsylvania: #15,920 of 74,527 inventorsTop 25%
Overall (All Time): #1,058,325 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5220083 Synthesis of perfluoropropane James L. Webster, Steven H. Swearingen, Leo Ernest Manzer, Elrey L. McCann 1993-06-15
5177273 Process for the manufacture of halogen-substituted propanes containing hydrogen and at least five fluorine substituents Jan J. Lerou, V. N. Mallikarjuna Rao, William C. Seidel, Frank J. Weigert 1993-01-05
5068472 Multistep synthesis of hexafluoropropylene James L. Webster, Swiatoslaw Trofimenko, Paul R. Resnick, Jan J. Lerou, William H. Manogue +5 more 1991-11-26
5057634 Multistep synthesis of hexafluoropropylene James L. Webster, Elrey L. McCann, Jan J. Lerou, William H. Manogue, Leo Ernest Manzer +3 more 1991-10-15
5043491 Multistep synthesis of hexafluoropropylene James L. Webster, Elrey L. McCann, Jan J. Lerou, Leo Ernest Manzer, William H. Manogue +2 more 1991-08-27