Inventor · Brignais, FR

Rene Bertocchio

20Patents
6h-index
21Co-inventors
69Inventor score

Filing activity: Aug 6, 1974 → Oct 23, 2002

Most-cited inventions

PatentTitleAreaCited byStatus
US4069158A Fire extinguishing compositions Emerging Cross-Sectional Technologies 65 Expired
US4383929A Fluorinated sulphobetaines and compositions containing the same Emerging Cross-Sectional Technologies 25 Expired
US4983769A Perfluoroalkylamine oxides and use of these products in fire extinguishing compositions Emerging Cross-Sectional Technologies 23 Expired
US5917098A Preparation of 1,1,1,3,3-pentachlorobutane and 1,1,1,3,3-pentafluorobutane Chemistry; Metallurgy 15 Expired
US5268516A Synthesis of perfluoroalkyl iodides Chemistry; Metallurgy 10 Expired
US4855025A Polyfluoro compounds and method for preparing them Chemistry; Metallurgy 7 Expired
US3941705A Fire extinguishing compositions containing fluorinated surfactants Emerging Cross-Sectional Technologies 6 Expired
US5650545A Synthesis of perfluoroalkyl iodides Emerging Cross-Sectional Technologies 5 Expired
US4647391A Chlorofluorinated fluids for absorption machines Chemistry; Metallurgy 4 Expired
US4612133A Stable mixtures of chlorofluorocarbons and solvents and their use as heat transfer fluids Chemistry; Metallurgy 4 Expired
US6039845A Process for the purification of pentafluoroethane by extractive distillation Emerging Cross-Sectional Technologies 4 Expired
US4000168A Carboxylated polyfluoroamines Chemistry; Metallurgy 4 Expired
US5951830A Process for purification of hydrochlorofluoroethanes Emerging Cross-Sectional Technologies 2 Expired
US4990277A Compositions based on chlorofluorinated ether and solvent and their application in absorption apparatus Chemistry; Metallurgy 2 Expired
US5892137A Purification of pentafluroethane Chemistry; Metallurgy 2 Expired
US5386068A Stabilization of 1,1-dichloro-1-fluoroethane Chemistry; Metallurgy 2 Expired
US5608129A Process for the purification of difluoromethane Chemistry; Metallurgy 1 Expired
US7273512B2 Process for drying difluoromethane Performing Operations; Transporting 0 Expired
US5922175A Purification of chlorotetraflouroethane by extractive distillation Chemistry; Metallurgy 0 Expired
US6866787B1 Process for drying difluoromethane Performing Operations; Transporting 0 Expired

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