Inventor · Freinsheim, DE

Guido Voit

42Patents
14h-index
62Co-inventors
80Inventor score

Filing activity: Jun 1, 1994 → Feb 12, 2004

Most-cited inventions

PatentTitleAreaCited byStatus
US5821380A 2-cyanoacrylic esters Chemistry; Metallurgy 59 Expired
US5958825A Catalysts for the amination of alkylene oxides, alcohols, aldehydes and ketones Performing Operations; Transporting 50 Expired
US6147208A Process for simultaneously preparing caprolactam and hexamethylene diamine Emerging Cross-Sectional Technologies 36 Expired
US6462220B1 Method for simultaneous preparation of 6-aminocapronitrile and hexamethylene diamine Chemistry; Metallurgy 30 Expired
US6057442A Preparation of amines Emerging Cross-Sectional Technologies 28 Expired
US5916838A Catalysts for the amination of alkylene oxides, alcohols, aldehydes and ketones Performing Operations; Transporting 26 Expired
US6265602A Method for hydrogenating aliphatic alpha-, omega-dinitriles Chemistry; Metallurgy 22 Expired
US6187971A Method for producing polyalcohols Emerging Cross-Sectional Technologies 20 Expired
US5696048A Cobalt catalysts Chemistry; Metallurgy 17 Expired
US5693793A Preparation of caprolactam from 6-aminocapronitrile Chemistry; Metallurgy 17 Expired
US6297394A Iron-based catalyst for hydrogenating alpha-, omega-dinitriles Chemistry; Metallurgy 16 Expired
US6031044A Polyurthanes with covalently bonded photoinitiator units Emerging Cross-Sectional Technologies 15 Expired
US6147247A Process for simultaneously preparing 6-aminocapronitrile and hexamethylene diamine Chemistry; Metallurgy 15 Expired
US5536691A Cobalt catalysts and a process required for their preparation Chemistry; Metallurgy 14 Expired
US6774246B2 Method for producing phthalic anhydride Chemistry; Metallurgy 12 Expired
US5756845A Preparation of 3-aminomethyl-3,5,5-trimethylcyclohexylamine Chemistry; Metallurgy 9 Expired
US6852669B2 Hydrogenation catalyst Chemistry; Metallurgy 8 Expired
US6139693A Method for obtaining hexamethylene diamine from mixtures containing hexamethylene diamine Emerging Cross-Sectional Technologies 8 Expired
US6022999A Preparation of 3-aminomethyl-3,5,5-trimethylcyclohexylamine having a cis/trans isomer ratio of at least 70:30 Chemistry; Metallurgy 6 Expired
US5789621A Preparation of amines and aminonitriles Chemistry; Metallurgy 6 Expired
US6222059A Process for the manufacture of aliphatic alpha, omega amino nitriles Chemistry; Metallurgy 6 Expired
US5874607A Coproduction of 6-aminocapronitrile and hexamethylenediamine Emerging Cross-Sectional Technologies 5 Expired
US7091153B2 Hydrogenation catalyst Chemistry; Metallurgy 5 Expired
US6359178B1 Method for producing hexamethylene diamine Chemistry; Metallurgy 5 Expired
US6110856A Catalysts suitable for preparing aliphatic alpha-, omega-aminonitriles by partial hydrogenation of aliphatic dinitriles Chemistry; Metallurgy 4 Expired

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