Inventor
HESTERMANN KLAUS
20 patents
Patents
20 patentsUS4308158ADec 29, 1981
Detergent and cleaning compositions containing polymeric phosphate builders
HOECHST AG11 citations73
US4294621AOct 13, 1981
Production of an anticorrosive pigment on phosphate basis
HOECHST AG15 citations73
US4122123AOct 24, 1978
Production of quaternary phosphonium halides
HOECHST AG13 citations73
US4337092AJun 29, 1982
Corrosion-inhibiting pigment and paint composition
HOECHST AG13 citations70
US4150058AApr 17, 1979
Production of alkyl phosphines
HOECHST AG5 citations62
US4136155AJan 23, 1979
Production of phosphine
HOECHST AG2 citations62
US4073810AFeb 14, 1978
Production of organophosphines
HOECHST AG5 citations62
US4020110AApr 26, 1977
Production of tertiary methylphosphine oxides
HOECHST AG2 citations62
US4265776AMay 5, 1981
Detergent and cleaning compositions
HOECHST AG5 citations61
US4091012AMay 23, 1978
Production of tertiary phosphine oxides
HOECHST AG2 citations61
US4076755AFeb 28, 1978
Production of hydroxyalkylphosphine oxides
HOECHST AG5 citations61
US3998886ADec 21, 1976
Production of halogen-containing tertiary phosphine oxides
HOECHST AG3 citations61
US3997611ADec 14, 1976
Production of tertiary phosphine oxides
HOECHST AG2 citations61
US4156697AMay 29, 1979
Production of alkylphosphines
HOECHST AG3 citations60
US4091078AMay 23, 1978
Production of phosphine
HOECHST AG2 citations57
US4118590AOct 3, 1978
Phosphorbetaines and process for making them
HOECHST AG0 citations51
US4028421AJun 7, 1977
Production of tertiary (hydroxymethyl)-methylphosphine oxides
HOECHST AG0 citations51
US3980711ASep 14, 1976
Production of methylphosphine oxides
HOECHST AG0 citations51
US4189449AFeb 19, 1980
Production of quaternary phosphonium hydroxides
HOECHST AG1 citations42
US4080384AMar 21, 1978
Production of (hydroxymethyl)-alkyl, cycloalkyl and aralkylphosphines
HOECHST AG0 citations41