Inventor · Recklinghausen, DE

Peter Esser

14Patents
4h-index
42Co-inventors
60Inventor score

Filing activity: Dec 16, 1994 → Oct 23, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US6639108B2 Ammoximation of ketones and work-up by pervaporation/vapor permeation Chemistry; Metallurgy 26 Expired
US6620970B2 Work-up of the ammoximation products of ketones by liquid-liquid extraction in a ternary solvent system Chemistry; Metallurgy 23 Expired
US6444855B1 Process for preparing cyclic alcohols and ketones Chemistry; Metallurgy 5 Expired
US6864388B2 Process for preparing salts of methallylsulfonic acid Chemistry; Metallurgy 4 Expired
US5874398A Ethylvanillin isobutyrate Chemistry; Metallurgy 3 Expired
US6903241B2 Metathesis catalysts Chemistry; Metallurgy 2 Expired
US5620569A Process for the photooxidation of terpene olefins Chemistry; Metallurgy 1 Expired
US7163908B2 Metathesis catalysts Chemistry; Metallurgy 1 Expired
US6916966B2 Process for preparing cycloalkadienes Chemistry; Metallurgy 0 Expired
US10343966B2 Process for the production of 17-oxabicyclo[14.1.0]heptadec-8-ene Chemistry; Metallurgy 0 Active
US10442751B2 Method for preparing substituted alkyl cycloalkanones Emerging Cross-Sectional Technologies 0 Active
US7145050B2 Modified supported metathesis catalysts Chemistry; Metallurgy 0 Expired
US6323349A Method of producing expoxides in the gaseous phase Chemistry; Metallurgy 0 Expired
US7183420B2 Method for the preparation of 11(12)-pentadecen-15-olides Chemistry; Metallurgy 0 Expired

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