Inventor · Kelkheim, DE

Wilfried Pressler

8Patents
2h-index
14Co-inventors
48Inventor score

Filing activity: Jun 28, 1979 → Aug 3, 1999

Most-cited inventions

PatentTitleAreaCited byStatus
US5149759A Process for preparing aromatic polyamides of high hydrolysis resistance with controlled water content of diamine Chemistry; Metallurgy 6 Expired
US5463148A Process for the preparation of chlorofluoronitrobenzenes Chemistry; Metallurgy 2 Expired
US5545768A Process for the preparation of chlorofluronitrobenzenes and difluoronitrobenzenes Chemistry; Metallurgy 1 Expired
US4226997A 8-Chloro-5,6,7,8-tetrahydro-2-quinolone and 8-bromo-5,6,7,8-tetrahydro-2-quinolone, the hydrochloride or hydrobromide thereof and process for their manufacture Chemistry; Metallurgy 1 Expired
US6265607A Process for the preparation of 4-(4'-chlorobiphenyl-4-yl)-4-keto-2-methylenebutyric acid Chemistry; Metallurgy 0 Expired
US4219500A Process for the manufacture of N,N'-diacetylethylene diamine Chemistry; Metallurgy 0 Expired
US5276203A Process for the preparation of 1,2-bis-(2-nitrophenoxy)-ethane Chemistry; Metallurgy 0 Expired
US4277606A 8-Oxo-5,6,7,8-tetrahydro-2-quinolone and process for the preparation thereof Chemistry; Metallurgy 0 Expired

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