Inventor · Nanterre, FR

Maurice Born

37Patents
8h-index
34Co-inventors
75Inventor score

Filing activity: Feb 28, 1975 → Nov 6, 1997

Most-cited inventions

PatentTitleAreaCited byStatus
US4983558A Process for presulfurizing a hydrocarbon treatment catalyst Performing Operations; Transporting 55 Expired
US4352729A Process for hydrotreating heavy hydrocarbons in the presence of a molybdenum containing catalyst Chemistry; Metallurgy 40 Expired
US4645610A Method for the preparation of olefin polysulfides, the products obtained and their utilization as lubricant additives Chemistry; Metallurgy 33 Expired
US3990963A Process for regenerating used lubricating oils Performing Operations; Transporting 21 Expired
US4795576A Polysulfided olefin compositions, their preparation and use as additives for lubricants Chemistry; Metallurgy 20 Expired
US4347062A Complexes of high iron content soluble in organic media and usable as combustion additives in liquid fuels Chemistry; Metallurgy 15 Expired
US5306436A New phosphosulfides compounds and use thereof as oil lubricants Chemistry; Metallurgy 10 Expired
US4766228A Metal dihydrocarbyl-dithiophosphyl-dithiophosphates their manufacture and use as additives for lubricants Chemistry; Metallurgy 9 Expired
US5132031A Copper dihydrocarbyl dithiophosphyl dithiophosphates, their preparation and their use as additives for lubricants Mechanical Engineering; Lighting; Heating 7 Expired
US5080812A Thiophosphoretted compounds, their preparation and their use as additives for lubricants Chemistry; Metallurgy 7 Expired
US5415794A New sulfured compounds, their preparation and their use as additives for lubricating oils Chemistry; Metallurgy 6 Expired
US5536424A Sulfonated bismuth compounds Emerging Cross-Sectional Technologies 6 Expired
US5346636A Colloidal products containing boron and phosphorus, their preparation and their uses as lubricating additives Chemistry; Metallurgy 5 Expired
US5468399A Colloidal products containing sulfur and/or phosphorus and/or boron, their preparation and their utilization as additives for lubricants Chemistry; Metallurgy 5 Expired
US4839069A Olefin polysulfide compositions their manufacture and use as additives for lubricants Chemistry; Metallurgy 5 Expired
US5133889A Polysulfurized olefin compositions, their preparation and use as additives in lubricants Chemistry; Metallurgy 4 Expired
US5284592A (Poly) sulfurized carboxylic compounds, their preparation and their use as petroleum additives for lubricating oils Chemistry; Metallurgy 4 Expired
US4882446A Metal dihydrocarbyl-dithiophosphyl-dithiophosphates their manufacture and use as additives for lubricants Chemistry; Metallurgy 4 Expired
US5324440A Surbased colloidal product containing organic sulfur and their use as detergent additives having an antiwear and extreme-pressure effect in lubricating oils Chemistry; Metallurgy 3 Expired
US5366649A Copolymers usable as multifunctional additives for lubricants and lubricating compositions containing said copolymers Chemistry; Metallurgy 3 Expired
US5324858A New sulfured compounds Chemistry; Metallurgy 3 Expired
US5286395A Olefin polysulfide compositions of high sulfur content and very low chlorine content, their manufacture and use as additives for lubricants Chemistry; Metallurgy 3 Expired
US6054418A Process for sulfurizing unsaturated fatty substances by elementary sulfur in the presence of amino compounds Emerging Cross-Sectional Technologies 2 Expired
US4737298A Process for manufacturing soluble organic calcium complexes, the resultant complexes and their use, particularly as additives for improving the combustion of gas oils and fuel oils Chemistry; Metallurgy 2 Expired
US5756432A Colloidal calcium hydroxide, its preparation and uses Emerging Cross-Sectional Technologies 2 Expired

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