Inventor · Cologne, DE

Michael Negele

31Patents
8h-index
46Co-inventors
67Inventor score

Filing activity: Oct 13, 1988 → Jan 26, 1996

Most-cited inventions

PatentTitleAreaCited byStatus
US5496866A C.sub.3 to C.sub.5 polyfluoroalkanes propellants Emerging Cross-Sectional Technologies 42 Expired
US5204471A .alpha.-trifluoromethyl-substituted, saturated bicyclic amines Chemistry; Metallurgy 30 Expired
US4931482A Use of 1,1,1,4,4,4-hexaefluorobutane as a blowing and insulating gas for the production of foam plastics Emerging Cross-Sectional Technologies 23 Expired
US4902839A Process for preparing fluorinated C.sub.4 to C.sub.6 hydrocarbons and novel cyclic fluorinated hydrocarbons and their use as propellant gas and working fluid for heat pump systems Chemistry; Metallurgy 19 Expired
US4954666A Process for preparing fluorinated C.sub.4 to C.sub.6 hydrocarbons and novel cyclic fluorinated hydrocarbons and their use as propellant gas and working fluid for heat pump systems Chemistry; Metallurgy 17 Expired
US5313003A Copolymerizable fluorinated compounds, a process for their preparation and thermoplastic fluoropolymers obtainable therefrom Chemistry; Metallurgy 13 Expired
US5646196A C.sub.3 to C.sub.5 polyfluorcalkanes propellants Emerging Cross-Sectional Technologies 11 Expired
US5650514A 3-substituted quinoline-5-carboxylic acid derivatives and processes for their preparation Chemistry; Metallurgy 8 Expired
US4990633A Fluorinated bisaryloxy-substituted alkenes, process for their preparation and their use Chemistry; Metallurgy 7 Expired
US5087775A Process for the preparation of partially fluorinated alcohols Chemistry; Metallurgy 7 Expired
US5496867A C.sub.3 to C.sub.5 polyfluoroalkanes propellants Emerging Cross-Sectional Technologies 6 Expired
US5426165A Thermoplastic fluorocopolymers and the fluoromonomers used for their preparation Chemistry; Metallurgy 5 Expired
US5171355A N-acylpyrrolidine derivatives Chemistry; Metallurgy 5 Expired
US5492931A Cycloalkylcarboxanilides Chemistry; Metallurgy 4 Expired
US5024694A Herbicidal N-aryl nitrogen heterocycles having fluorine-containing substituents Chemistry; Metallurgy 4 Expired
US5254696A N-acylpyrrolidine derivatives Chemistry; Metallurgy 3 Expired
US5624970A C.sub.3 to C.sub.5 polyfluorcalkanes propellants Emerging Cross-Sectional Technologies 3 Expired
US5648566A Methyleneperfluorocycloalkanes and their use in the production of thermoplastic fluororesins Chemistry; Metallurgy 3 Expired
US5109020A Fluorinated cyclohexane derivatives, process and intermediates for their preparation and the use of the new fluorinated cyclohexane derivatives as fungicides and intermediates Chemistry; Metallurgy 2 Expired
US5155205A Aromatic polycarbonate containing a special fluorine-containing bisphenol component Physics 2 Expired
US5399645A Copolymerizable fluorinated compounds, a process for their preparation and thermoplastic fluoropolymers obtainable therefrom Chemistry; Metallurgy 2 Expired
US5530169A Process for the preparation of saturated, fluorine-containing and chlorine-free hydrocarbons Chemistry; Metallurgy 1 Expired
US5132335A Acrylic and methacrylic esters of substituted 1,2-bis(phenoxy)-3,3,4,4,5,5-hexafluoro-1-cyclopentenes Emerging Cross-Sectional Technologies 1 Expired
US5652371A 3-imino-3-alkoxy-propionic acid lactates and their tautomeric acrylic acid lactates Chemistry; Metallurgy 1 Expired
US5256795A N-acyl-pyrrolidinone derivatives Chemistry; Metallurgy 1 Expired

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