HC

Harry B. Copelin

EA E.I. Du Pont De Nemours And: 7 patents #1,065 of 8,010Top 15%
📍 Wilmington, DE: #686 of 3,182 inventorsTop 25%
🗺 Delaware: #1,358 of 7,163 inventorsTop 20%
Overall (All Time): #769,798 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
4500705 Method for reducing oligomeric cyclic ether content of a polymerizate 1985-02-19
4413136 Purification of tetrahydrofuran Richard E. Ernst 1983-11-01
4306058 Method for reducing oligomeric cyclic ether content of a polymerizate 1981-12-15
4294998 Preparation of high purity 1,4-butanediol 1981-10-13
4258025 Pd/SiO.sub.2 Hydrogenation catalyst suitable for H.sub.2 O.sub.2 manufacture 1981-03-24
4240933 Pd/SiO.sub.2 Hydrogenation catalyst suitable for H.sub.2 O.sub.2 manufacture 1980-12-23
4197248 Reduction in chemical oxygen demand of water from crude tetrahydrofuran Thomas D. Canby 1980-04-08