Inventor · Houston, TX, US

Herbert E. Fried

40Patents
13h-index
11Co-inventors
74Inventor score

Filing activity: Apr 2, 1985 → Dec 30, 1998

Most-cited inventions

PatentTitleAreaCited byStatus
US4618400A Wastepaper deinking process Emerging Cross-Sectional Technologies 38 Expired
US5250727A Preparation of alkoxyalkanoic acids Chemistry; Metallurgy 26 Expired
US5175359A Preparation of alkoxyalkanoic acids Chemistry; Metallurgy 22 Expired
US5175360A Preparation of alkoxyalkanoic acids Chemistry; Metallurgy 21 Expired
US5162579A Preparation of alkoxyalkanoic acids Chemistry; Metallurgy 18 Expired
US5166423A Process for the oxidation of alcohols to acids Chemistry; Metallurgy 18 Expired
US5155279A Process for the oxidation of alcohols to aldehydes Chemistry; Metallurgy 17 Expired
US5136103A Process for the preparation of ketones Chemistry; Metallurgy 16 Expired
US5179218A Process for the oxidation of alcohols to acids Chemistry; Metallurgy 15 Expired
US5155278A Process for the oxidation of alcohols to aldehydes Chemistry; Metallurgy 14 Expired
US5136101A Process for the preparation of ketones Chemistry; Metallurgy 14 Expired
US6235931A Partial oxidation of polyoxyalkylene polyol compositions to polycarboxylic acid compositions Chemistry; Metallurgy 13 Expired
US5136102A Process for the preparation of ketones Chemistry; Metallurgy 13 Expired
US5166422A Process for the oxidation of alcohols to acids Chemistry; Metallurgy 13 Expired
US4822911A Process for the selective separation of vinylidene olefins from mixtures with other olefins Chemistry; Metallurgy 11 Expired
US5256819A Preparation of polyoxyalkylene-alpha,omega-dicarboxylic acids Chemistry; Metallurgy 11 Expired
US5155280A Process for the oxidation of alcohols to aldehydes Chemistry; Metallurgy 10 Expired
US4931205A Tertiary thiol ethoxylate compositions Emerging Cross-Sectional Technologies 9 Expired
US4761488A Reaction of olefins with maleic anhydride Chemistry; Metallurgy 6 Expired
US5166410A Preparation of carboxylic acid esters Chemistry; Metallurgy 5 Expired
US5239116A Preparation of secondary alkoxyalkanoic acids Chemistry; Metallurgy 5 Expired
US4638093A Preparation of secondary thiols Chemistry; Metallurgy 4 Expired
US5391822A Process for the preparation of branched alkoxyalkanoic acids Chemistry; Metallurgy 4 Expired
US5608106A Preparation of alkoxyalkanoic acids Chemistry; Metallurgy 3 Expired
US5387712A Preparation of aromatic alkoxyalkanoic acids Chemistry; Metallurgy 3 Expired

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