Inventor · Val-de-Reuil, FR

Hubert Kempf

6Patents
2h-index
9Co-inventors
40Inventor score

Filing activity: Jun 5, 1990 → Oct 17, 2003

Most-cited inventions

PatentTitleAreaCited byStatus
US5189218A Preparation of n-phenylbenzoquinone-imine and converting same into p-phenylenediamines Chemistry; Metallurgy 7 Expired
US6747175B2 Chlorination of an aniline in a hydrofluoric medium Chemistry; Metallurgy 2 Expired
US5955634A Allylation reagent and process for allylating a nucleophile Chemistry; Metallurgy 1 Expired
US5132460A Process for the preparation of N-monoalkyl or M-monoalkenyl anilines Chemistry; Metallurgy 0 Expired
US5986137A Allylation reagent and process for allylating a nucleophile Chemistry; Metallurgy 0 Expired
US6833476B2 Method for using a carbamoyl fluoride as fluorinating agent Chemistry; Metallurgy 0 Expired

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