SZ

Stanislaw B. Ziemecki

EA E.I. Du Pont De Nemours And: 5 patents #1,460 of 8,010Top 20%
IS Invista North America S.A.R.L.: 1 patents #169 of 403Top 45%
📍 Wilmington, DE: #787 of 3,182 inventorsTop 25%
🗺 Delaware: #1,571 of 7,163 inventorsTop 25%
Overall (All Time): #876,511 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6841507 Aminonitrile production Alex Sergey Ionkin, Mark Jay Harper, Theodore A. Koch, Henry Edward Bryndza 2005-01-11
6680403 Process for hydrogenating dinitriles in aminonitriles Alex Sergey Ionkin, Mark Jay Harper, Theodore A. Koch, Henry Edward Bryndza 2004-01-20
5151543 Selective low pressure hydrogenation of a dinitrile to an aminonitrile 1992-09-29
4609636 Pd/Re hydrogenation catalyst for making tetrahydrofuran and 1,4-butanediol Melinda Ann Mabry, William W. Prichard 1986-09-02
4550185 Process for making tetrahydrofuran and 1,4-butanediol using Pd/Re hydrogenation catalyst Melinda Ann Mabry, William W. Prichard 1985-10-29
4233248 Process for oxidation of methanol to formaldehyde with nitrous oxide V. N. Mallikarjuna Rao 1980-11-11