Inventor · Heidelberg, DE

Paul Matthies

7Patents
5h-index
16Co-inventors
56Inventor score

Filing activity: Jun 8, 1978 → Dec 31, 1996

Most-cited inventions

PatentTitleAreaCited byStatus
US4540772A Continuous preparation of nylon from aqueous salt solution in precondensation zone having baffles Performing Operations; Transporting 62 Expired
US4204049A Hydrolytic polymerization of epsilon-caprolactam Chemistry; Metallurgy 14 Expired
US6423817B1 Inherently light- and heat-stabilized polyamides Emerging Cross-Sectional Technologies 12 Expired
US4354020A Continuous preparation of polycaprolactam in vertical tubular reactor Performing Operations; Transporting 9 Expired
US5149758A Continuous production of polycaprolactam having a regulated amino end group content Chemistry; Metallurgy 6 Expired
US4213884A Manufacture of a highly concentrated aqueous solution of a dicarboxylic acid diamine salt and a nylon precondensate Chemistry; Metallurgy 5 Expired
US4251653A Manufacture of nylon by adding liquid diamine to aqueous polyamide forming salt solution Chemistry; Metallurgy 1 Expired

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