Inventor · Midland, MI, US

Stephen E. Bales

29Patents
14h-index
58Co-inventors
80Inventor score

Filing activity: Oct 27, 1980 → Feb 9, 1998

Most-cited inventions

PatentTitleAreaCited byStatus
US5278694A Optically dissimilar composition for polymeric reflective bodies Performing Operations; Transporting 117 Expired
US5718967A Coated plastic substrate Emerging Cross-Sectional Technologies 102 Expired
US5837032A Gas separations utilizing glassy polymer membranes at sub-ambient temperatures Chemistry; Metallurgy 78 Expired
US5352272A Gas separations utilizing glassy polymer membranes at sub-ambient temperatures Emerging Cross-Sectional Technologies 41 Expired
US4818254A Semi-permeable membranes consisting predominantly of polycarbonates derived from tetrahalobisphenols Chemistry; Metallurgy 25 Expired
US4840646A Tetrabromo bisphenol based polyestercarbonate membranes and method of using Performing Operations; Transporting 24 Expired
US4474937A Phosphorus-modified polyestercarbonate resins Chemistry; Metallurgy 23 Expired
US5034496A Polycarbonate compositions Emerging Cross-Sectional Technologies 23 Expired
US5679133A Gas separations utilizing glassy polymer membranes at sub-ambient temperatures Emerging Cross-Sectional Technologies 23 Expired
US5644017A Polycarbonate terminated by an ionic sulfonated aromatic moiety and preparation thereof Chemistry; Metallurgy 22 Expired
US5650479A Interfacially polymerized polyester films Chemistry; Metallurgy 21 Expired
US5532331A Thiodiphenol copolycarbonates and their use as components of multilayered polymeric reflective bodies Emerging Cross-Sectional Technologies 19 Expired
US5208299A Nonlinear optical arylhydrazones and nonlinear optical polymers thereof Physics 17 Expired
US6051294A Heat-resistant hydroxy-functional polyethers as thermoplastic barrier resins Emerging Cross-Sectional Technologies 16 Expired
US4388455A Process for preparing ester carbonate copolymers Chemistry; Metallurgy 14 Expired
US5814373A Heat-resistant hydroxy-functional polyethers as thermoplastic barrier resins Emerging Cross-Sectional Technologies 13 Expired
US5447960A Fungicidal use of phenolic aromatic compounds Human Necessities 11 Expired
US4330662A Ordered copolyestercarbonate resins Chemistry; Metallurgy 10 Expired
US5486577A Blends of diaryl fluorene carbonate polymers with bisphenol A carbonate polymers Chemistry; Metallurgy 9 Expired
US5106936A Thermoplastic compositions with nonlinear optical activity Chemistry; Metallurgy 8 Expired
US5614599A Stilbene-based polyester and polycarbonate compositions Chemistry; Metallurgy 7 Expired
US5037935A Thermoplastic compositions with nonlinear optical activity Chemistry; Metallurgy 7 Expired
US5419957A Low heat release polymeric composites Emerging Cross-Sectional Technologies 5 Expired
US4994533A Poly(aryl ether)-poly(aryl carbonate) block copolymers and their preparation Chemistry; Metallurgy 4 Expired
US5045610A Blend of copolyestercarbonate polymer derived from diaryl dicarboxylic acid Chemistry; Metallurgy 4 Expired

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