Inventor · Wilmington, DE, US

Douglas Spahr

4Patents
3h-index
10Co-inventors
40Inventor score

Filing activity: Mar 13, 2002 → May 23, 2005

Most-cited inventions

PatentTitleAreaCited byStatus
US6917424B2 Process for manufacturing pigment dispersions Chemistry; Metallurgy 13 Expired
US7276231B2 Lower-energy process for preparing passivated inorganic nanoparticles Emerging Cross-Sectional Technologies 10 Expired
US7265176B2 Composition comprising nanoparticle TiO2 and ethylene copolymer Chemistry; Metallurgy 5 Expired
US6719452B2 Process for manufacturing transparent tints Performing Operations; Transporting 2 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.