Inventor · Charleston, WV, US

John Michael Maher

37Patents
16h-index
53Co-inventors
84Inventor score

Filing activity: Mar 19, 1986 → Dec 5, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
US5288918A Hydroformylation process Emerging Cross-Sectional Technologies 96 Expired
US4717775A Transition metal complex catalyzed reactions Emerging Cross-Sectional Technologies 64 Expired
US4774361A Transition metal complex catalyzed reactions Emerging Cross-Sectional Technologies 55 Expired
US5364950A Process for stabilizing phosphite ligands in hydroformylation reaction mixtures Performing Operations; Transporting 47 Expired
US4835299A Process for purifying tertiary organophosphites Chemistry; Metallurgy 46 Expired
US5929289A Stabilization of phosphite ligands in hydroformylation process Performing Operations; Transporting 33 Expired
US7745652B2 Integrated chemical processes for industrial utilization of seed oils Emerging Cross-Sectional Technologies 31 Active
US6294700A Separation processes Emerging Cross-Sectional Technologies 28 Expired
US5210318A Catalysts and processes useful in producing 1,3-diols and/or 3-hydroxyldehydes Performing Operations; Transporting 26 Expired
US5449653A Catalysts and processes useful in producing 1,3-diols and/or 3-hydroxyaldehydes Performing Operations; Transporting 23 Expired
US6303829A Separation processes Emerging Cross-Sectional Technologies 22 Expired
US5030766A Catalysts for producing 1,3-diols and/or 3-hydroxyaldehydes, and processes for making and using same Chemistry; Metallurgy 21 Expired
US6307110A Separation processes Emerging Cross-Sectional Technologies 20 Expired
US5874640A Metal-ligand complex catalyzed processes Emerging Cross-Sectional Technologies 18 Expired
US6310260A Separation processes Emerging Cross-Sectional Technologies 17 Expired
US4737588A Transition metal complex catalyzed reactions Emerging Cross-Sectional Technologies 16 Expired
US6166263A Processes for the manufacture of acrolein Emerging Cross-Sectional Technologies 16 Expired
US5892119A Metal-ligand complex catalyzed processes Emerging Cross-Sectional Technologies 14 Expired
US5225387A Catalysts for producing 1,3-diols and/or 3-hydroxyaldehydes, and processes for making and using same Chemistry; Metallurgy 14 Expired
US4789753A Phosphite ligands Emerging Cross-Sectional Technologies 14 Expired
US6307065A Processes for producing epsilon caprolactones and/or hydrates and/or esters thereof Emerging Cross-Sectional Technologies 14 Expired
US8178159B2 Organosilicate resin formulation for use in microelectronic devices Electricity 11 Active
US6492548B1 Process for the oxidation of alkanes Chemistry; Metallurgy 10 Expired
US5756855A Stabilization of phosphite ligands in hydroformylation process Performing Operations; Transporting 9 Expired
US7906688B2 Calixarene bisphosphite ligand for use in hydroformylation processes Chemistry; Metallurgy 8 Active

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