Inventor · Stillwater, MN, US

Roger A. Mader

30Patents
10h-index
75Co-inventors
78Inventor score

Filing activity: Nov 17, 1975 → Mar 19, 2007

Most-cited inventions

PatentTitleAreaCited byStatus
US7491441B2 High refractive index, durable hard coats Emerging Cross-Sectional Technologies 47 Active
US7199197B2 Water- and oil-repellent fluoroacrylates Emerging Cross-Sectional Technologies 37 Expired
US4622395A Phenoxazine and phenothiazine dyes and leuco forms thereof Physics 33 Expired
US5314795A Thermal-dye-bleach construction comprising a polymethine dye and a thermal carbanion-generating agent Emerging Cross-Sectional Technologies 27 Expired
US6652970B1 Degradable crosslinkers, compositions therefrom, and methods of their preparation and use Emerging Cross-Sectional Technologies 14 Expired
US5124308A Monosubstituted dithiooxamide compounds and their use Chemistry; Metallurgy 13 Expired
US4775754A Preparation of leuco dyes Chemistry; Metallurgy 11 Expired
US5395747A Stabilized thermal-dye-bleach constructions Physics 11 Expired
US7297810B2 High refractive index monomers for optical applications Emerging Cross-Sectional Technologies 10 Expired
US5663042A Developing agents for (photo) thermographic systems Physics 10 Expired
US4782010A Photohermographic emulsions having stable color forming developers Emerging Cross-Sectional Technologies 9 Expired
US4024106A 2,4-Dihydroxy-4-pentadecyl benzophenone and compositions containing the same Chemistry; Metallurgy 8 Expired
US7659351B2 Water- and oil-repellent fluoroacrylates Emerging Cross-Sectional Technologies 8 Active
US4795697A Stabilization of ketazine dyes Emerging Cross-Sectional Technologies 6 Expired
US5324627A Tetra-alkylammonium phenylsulfonylacetate thermal-dye-bleach agents Emerging Cross-Sectional Technologies 6 Expired
US5340712A Antifoggants for photothermographic articles Physics 5 Expired
US6528169B2 No-flow flux adhesive compositions Emerging Cross-Sectional Technologies 5 Expired
US5041654A Preparation of monosubstituted dithiooxamide compounds Performing Operations; Transporting 4 Expired
US5326847A Hindered phenolic antioxidant; antioxidant containing hydrophilic urethane polymer; dry cleaning solvent resistant, waterproof, moisture-vapor permeable material containing the polymer; and method of making the same Emerging Cross-Sectional Technologies 3 Expired
US5284759A Biological production of acetal or ketal substituted benzene compounds Chemistry; Metallurgy 3 Expired
US5173300A Hindered phenolic antioxidant containing hydrophilic urethane polymer; dry cleaning solvent resistant, waterproof, moisture-vapor permeable material containing the polymer; and method of making the same Emerging Cross-Sectional Technologies 3 Expired
US5384237A Quaternary-ammonium phenylsulfonylacetate thermal-dye-bleach agents Emerging Cross-Sectional Technologies 2 Expired
US5443742A Purification of stable organic compounds Emerging Cross-Sectional Technologies 2 Expired
US5625062A Method of making soluble squaraine dyes Chemistry; Metallurgy 2 Expired
US6620907B2 Process for the elimination of materials containing hydrolyzable halides and other high molecular weight materials from epihalohydrin derived epoxy resins Emerging Cross-Sectional Technologies 2 Expired

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