Inventor · Kelkheim, DE

Helmut Nahm

4Patents
3h-index
5Co-inventors
39Inventor score

Filing activity: May 11, 1973 → May 21, 1981

Most-cited inventions

PatentTitleAreaCited byStatus
US3954442A Herbicidal compositions Chemistry; Metallurgy 80 Expired
US4238626A 4-Phenoxy-phenoxy-alkane-carboxylic acid derivatives and process for their manufacture Chemistry; Metallurgy 8 Expired
US4391995A 4-Phenoxy-phenoxy-alkane-carboxylic acid derivatives and process for their manufacture Chemistry; Metallurgy 5 Expired
US4301295A 4-Phenoxy-phenoxy-alkane-carboxylic acid derivatives and process for their manufacture Chemistry; Metallurgy 1 Expired

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