DC

Dale Robert Coulson

EA E.I. Du Pont De Nemours And: 4 patents #1,770 of 8,010Top 25%
📍 Wilmington, DE: #1,052 of 3,182 inventorsTop 35%
🗺 Delaware: #2,150 of 7,163 inventorsTop 35%
Overall (All Time): #1,255,934 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7261870 Process for the reduction of carbon monoxide and carbonyl sulfide emissions Norman Herron, Kostantinos Kourtakis, Stephen Erwin Lyke 2007-08-28
6602819 Process for the reduction of carbon monoxide and carbonyl sulfide emissions Kostantinos Kourtakis 2003-08-05
6362346 Process for the preparation of &agr;-methylene-&ggr;-butyrolactone and &agr;-acetoxymethyl-&ggr;-butyrolactone David L. Thorn, Mark A. Scialdone 2002-03-26
6313318 Process for the preparation of .alpha.-methylene lactones Leo Ernest Manzer, Norman Herron 2001-11-06