Inventor · Dombasle-sur-Meurthe, FR

Leon Ninane

17Patents
6h-index
13Co-inventors
63Inventor score

Filing activity: Apr 17, 1973 → Aug 10, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US3967039A Coated alkali metal chlorite particles Emerging Cross-Sectional Technologies 18 Expired
US5290322A Process for the crystallization of sodium bicarbonate Chemistry; Metallurgy 11 Expired
US5396863A Installation and process for the crystallization of an inorganic substance and process and installation for the crystallization of sodium carbonate monohydrate Emerging Cross-Sectional Technologies 8 Expired
US5478447A Method for producing an aqueous industrial sodium chloride solution Chemistry; Metallurgy 7 Expired
US5135734A Process for removing a residue containing sodium sulphate Performing Operations; Transporting 6 Expired
US6267789A Method for enriching raw salt Chemistry; Metallurgy 6 Expired
US5993772A Method for coproducing calcium carbonate and sodium hydroxide Chemistry; Metallurgy 6 Expired
US4797981A Process for the production of salt Chemistry; Metallurgy 5 Expired
US6478828B1 Process for the crystallization of an inorganic substance Chemistry; Metallurgy 5 Expired
US6692720B1 Method for producing sodium chloride crystals Chemistry; Metallurgy 5 Expired
US5474581A Method for producing an aqueous sodium chloride solution and use thereof Chemistry; Metallurgy 4 Expired
US5154909A Salt having a translucent and glassy appearance Chemistry; Metallurgy 3 Expired
US4605771A Process and installation for the production of an organic solution of a water-insoluble organic base Chemistry; Metallurgy 2 Expired
US5348716A Process for purifying a gas containing nitric oxide Emerging Cross-Sectional Technologies 1 Expired
US6399038B2 Process for making sodium carbonate Chemistry; Metallurgy 1 Expired
US4677229A Process for the production of a water-insoluble nitrogenous organic base, starting from an aqueous solution of an alkali metal bicarbonate and the hydrochloride of the said base and process for the manufacture of sodium bicarbonate Chemistry; Metallurgy 0 Expired
US11407640B2 Method for etching a phosphate source using acid Chemistry; Metallurgy 0 Active

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