Inventor · Chesterfield, MO, US

Howard C. Berk

12Patents
5h-index
11Co-inventors
63Inventor score

Filing activity: Jul 16, 1992 → Feb 28, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US5317003A Herbicidal compositions comprising glyphosate salts and alkoxylated quaternary amine surfactants Human Necessities 37 Expired
US5389598A Aqueous concentrate formulations having reduced eye irritancy Human Necessities 33 Expired
US6376708B1 Process and catalyst for dehydrogenating primary alcohols to make carboxylic acid salts Performing Operations; Transporting 28 Expired
US7329778B2 Process and catalyst for dehydrogenating primary alcohols to make carboxylic acid salts Performing Operations; Transporting 16 Expired
US6706662B2 Catalyst for dehydrogenating primary alcohols to make carboxylic acid salts Performing Operations; Transporting 13 Expired
US6555706B2 Process for making iminodiacetic acid compounds from monoethanolamine substrates Chemistry; Metallurgy 3 Expired
US8298985B2 Catalyst for dehydrogenating primary alcohols Performing Operations; Transporting 2 Active
US10913701B2 Processes for purification, recovery, and conversion of chlorophenol salts and preparation and recovery of products prepared therefrom Emerging Cross-Sectional Technologies 2 Active
US7064235B2 Process for making iminodiacetic acid compounds from monoethanolamine substrates Chemistry; Metallurgy 1 Expired
US11629114B2 Processes for purification, recovery, and conversion of chlorophenol salts and preparation and recovery of products prepared therefrom Emerging Cross-Sectional Technologies 1 Active
US8450523B2 Process for preparation of a carboxylic acid salt by dehydrogenation of a primary alcohol Performing Operations; Transporting 0 Active
US12240807B2 Processes for purification, recovery, and conversion of chlorophenol salts and preparation and recovery of products prepared therefrom Emerging Cross-Sectional Technologies 0 Active

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