Inventor · Penfield, NY, US

Edward Schofield

19Patents
8h-index
22Co-inventors
68Inventor score

Filing activity: Dec 24, 1990 → Jul 1, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
US5385815A Photographic elements containing loaded ultraviolet absorbing polymer latex Emerging Cross-Sectional Technologies 31 Expired
US5384235A Photographic elements incorporating polymeric ultraviolet absorbers Emerging Cross-Sectional Technologies 20 Expired
US6203973A Polymer latexes with core-shell morphology Physics 18 Expired
US5234807A Microemulsion polymerization - processes for dispersing photographically useful components Physics 13 Expired
US5298368A Photographic coupler compositions and methods for reducing continued coupling Physics 11 Expired
US5372922A Method of preparing photographic elements incorporating polymeric ultraviolet absorbers Emerging Cross-Sectional Technologies 10 Expired
US5188926A Photographic elements having carbonamide coupler solvents and addenda to reduce sensitizing dye stain Physics 9 Expired
US6635693B2 Process for making composite colorant particles Emerging Cross-Sectional Technologies 8 Expired
US6660449B2 Heat-sensitive compositions and imaging member containing carbon black and methods of imaging and printing Emerging Cross-Sectional Technologies 5 Expired
US5192646A Photographic elements having sulfoxide coupler solvents and addenda to reduce sensitizing dye stain Physics 4 Expired
US5100772A Magenta dye forming coupler for photographic material Physics 3 Expired
US5258278A Color photographic material containing a coupler composition comprising a pyrazoldtriazole magenta coupler and a carbonamide compound Physics 3 Expired
US5232821A Photographic coupler compositions containing ballasted sulfoxides and sulfones and methods Physics 2 Expired
US5360710A Color photographic materials containing polymeric couplers Chemistry; Metallurgy 2 Expired
US5429913A Photographic coupler compositions containing ballasted alcohols and methods Physics 1 Expired
US7976147B2 Inks for inkjet printing Chemistry; Metallurgy 1 Active
US5455147A Methods of forming polymeric couplers Chemistry; Metallurgy 1 Expired
US5620838A Photographic elements containing directly dispersible UV absorbing polymers and method of making such elements and polymers Emerging Cross-Sectional Technologies 0 Expired
US7875314B2 Method for using receiver medium having adjustable properties Performing Operations; Transporting 0 Active

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