Inventor · Essen, DE

Eberhard Esselborn

36Patents
11h-index
38Co-inventors
75Inventor score

Filing activity: Nov 2, 1977 → Mar 27, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
US5133898A Manufacturing polyacrylate esters with long-chain hydrocarbon and polyoxyalkylene groups Emerging Cross-Sectional Technologies 46 Expired
US5338485A Polyacrylate esters with long-chain hydrocarbon and polyoxyalkylene groups and their use as surface active substances Emerging Cross-Sectional Technologies 31 Expired
US5086142A Copolymer acting as thickening agent for aqueous preparations having a pH above 5.5, a method for its preparation and its use as a thickening agent Chemistry; Metallurgy 27 Expired
US6423785B1 Maleic anhydride copolymers containing amine oxide groups and their use as dispersants for pigments of fillers Chemistry; Metallurgy 21 Expired
US6861493B2 Branched polyurethanes, formulations comprising them, and their use for thickening aqueous systems Emerging Cross-Sectional Technologies 20 Expired
US5990245A .alpha., .omega.-polymethacrylate glycols, methods for their synthesis and their use for the preparation of polymers, particularly polyurethanes and polyesters Chemistry; Metallurgy 19 Expired
US6689731B2 Phosphoric esters as emulsifiers and dispersants Chemistry; Metallurgy 17 Expired
US4868262A Copolymers with epoxide groups, their synthesis and use for finishing textile fibers or fiber products Textiles; Paper 16 Expired
US6235813A Dispersants for preparing aqueous pigment pastes Chemistry; Metallurgy 15 Expired
US4476252A Process for the synthesis of polymers with laterally linked polyoxyalkylene chains and their use for the production of polyurethanes Chemistry; Metallurgy 14 Expired
US6248839A Mercapto-containing block copolymers having polymethacrylic acid and polyalkylene oxide repeating groups Chemistry; Metallurgy 12 Expired
US6310123A Phosphoric esters and their use as dispersants Emerging Cross-Sectional Technologies 10 Expired
US5057579A Polyacrylate esters with quaternary ammonium groups Chemistry; Metallurgy 10 Expired
US5523373A Polymethacrylate ester/polysiloxane block co-polymers method for theirsynthesis and their use as modifiers and as lacquer and varnish additives Chemistry; Metallurgy 9 Expired
US8202935B2 Dispersing resins comprising polyethers/polyesters Chemistry; Metallurgy 9 Active
US5115040A Polyacrylate esters with quaternary ammonium groups Chemistry; Metallurgy 9 Expired
US6353068B1 Polyacrylates and their use as degassing agents for paints and coatings Chemistry; Metallurgy 8 Expired
US7189772B2 Polyurethane thickeners for aqueous systems Chemistry; Metallurgy 8 Expired
US4618457A Sulfonated polyoxyalkylene ethers of 1,2 or 1,3-diols, their preparation and use Chemistry; Metallurgy 6 Expired
US5145914A Polyacrylate esters with ammonium salt groups Chemistry; Metallurgy 5 Expired
US5057580A Polyacrylate esters with quaternary ammonium groups Chemistry; Metallurgy 5 Expired
US6423130B1 Phosphoric esters and their use as dispersants Emerging Cross-Sectional Technologies 5 Expired
US5296573A Polyacrylate ester with long-chain alkoxylated hydrocarbonoxy groups and their use in cosmetics and personal grooming Chemistry; Metallurgy 5 Expired
US5115039A Polyacrylate esters with quaternary ammonium groups Chemistry; Metallurgy 5 Expired
US8420731B2 Dispersing and emulsifying resins comprising polyether Chemistry; Metallurgy 4 Active

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