Inventor · Bonn, DE

Michael Immenkeppel

2Patents
2h-index
6Co-inventors
30Inventor score

Filing activity: Aug 16, 1989 → Mar 27, 1991

Most-cited inventions

PatentTitleAreaCited byStatus
US4931586A Process for the continuous production of 2-phosphone-butane-1,2,4-tricarboxylic acid and alkali metal salts thereof Chemistry; Metallurgy 2 Expired
US5091562A Process for eliminating 1-carboxy-1-phosphonocyclopentan-3-one from, or reducing its content in, technical 2-phosphonobutane-1,2,4-tricarboxylic acid using bleaching liquor Chemistry; Metallurgy 2 Expired

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