Inventor · Marl, DE

Ferdinand List

10Patents
4h-index
11Co-inventors
49Inventor score

Filing activity: May 18, 1973 → Apr 4, 1978

Most-cited inventions

PatentTitleAreaCited byStatus
US4340752A Process for the purification of terephthalic acid Chemistry; Metallurgy 11 Expired
US4067779A Process for the purification of 1,10-decanedicarboxylic acid Chemistry; Metallurgy 10 Expired
US4211506A Method and apparatus for the metered conveying of pulverulent solids Chemistry; Metallurgy 9 Expired
US3940431A Dimethyl terephthalate prepared by the esterification of terephthalic acid Emerging Cross-Sectional Technologies 7 Expired
US4162365A Liquid phase air oxidation process for making phthalic acids Chemistry; Metallurgy 4 Expired
US3972912A Process for the esterification of terephthalic acid in the gas phase Emerging Cross-Sectional Technologies 2 Expired
US4015943A Apparatus for the esterification of terephthalic acid in the gas phase Performing Operations; Transporting 1 Expired
US3980441A Apparatus for the production of dimethyl terephthalate by the esterification of terephthalic acid Performing Operations; Transporting 1 Expired
US4005124A Process for recovering the mother liquor produced by the esterification of terephthalic acid with methanol Chemistry; Metallurgy 0 Expired
US4009199A Method for preparation of dimethyl terephthalate Performing Operations; Transporting 0 Expired

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