DS

Douglas Spahr

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): #1,256,011 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7276231 Lower-energy process for preparing passivated inorganic nanoparticles Scott Frerichs, William H. Morrison 2007-10-02
7265176 Composition comprising nanoparticle TiO2 and ethylene copolymer Christina Troeltzsch, John W. Paul, Austin Reid, Mark David Wetzel 2007-09-04
6917424 Process for manufacturing pigment dispersions Allan Blase Joseph Rodrigues, Ken Stephen Schermacher, Anthony Joseph Martino 2005-07-12
6719452 Process for manufacturing transparent tints Ken Stephen Schermacher, Allan Blase Joseph Rodrigues, Anthony Joseph Martino, Timothy Aaron Snyder 2004-04-13