Inventor · Krefeld, DE

Eduard Barthell

11Patents
8h-index
8Co-inventors
61Inventor score

Filing activity: Jan 2, 1975 → Jun 4, 1985

Most-cited inventions

PatentTitleAreaCited byStatus
US4179367A Thickening urinary and intestinal tract excrement Emerging Cross-Sectional Technologies 48 Expired
US4093542A Flocculating agent comprising water-in-oil emulsion of H-active polymer carrying formaldehyde and amine radicals Textiles; Paper 22 Expired
US4113685A Flocculating agent comprising water-in-oil emulsion of stabilizer plus NH-active polymer carrying formaldehyde and amine radicals Emerging Cross-Sectional Technologies 18 Expired
US4528350A Polymers of .alpha.,.beta.-unsaturated N-substituted carboxylic acid amides Chemistry; Metallurgy 13 Expired
US4179370A Flocculating agent comprising water-in-oil emulsion of stabilizer plus NH-active polymer carrying formaldehyde and amine radicals Emerging Cross-Sectional Technologies 12 Expired
US4237067A Process for the manufacture of .alpha.,.beta.-unsaturated N-substituted carboxylic acid amides Chemistry; Metallurgy 10 Expired
US4408073A Process for preparation of .alpha., .beta.-unsaturated N-substituted-carboxylic acid amides Chemistry; Metallurgy 8 Expired
US4663491A Copolymers of n-alkyl acrylates and maleic anhydride and their use as crystallization inhibitors for paraffin-bearing crude oils Chemistry; Metallurgy 8 Expired
US4208184A Dried pulverulent products Chemistry; Metallurgy 1 Expired
US4312998A Method for making N-substituted acrylamides Chemistry; Metallurgy 0 Expired
US4281186A Acrylyl and methacrylyl ureas containing quaternary groups, process for their preparation and their use in the preparation of polymers Textiles; Paper 0 Expired

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