Inventor · Saint-Genis-Laval, FR

Bertrand Collier

57Patents
9h-index
28Co-inventors
78Inventor score

Filing activity: Aug 24, 1988 → Dec 15, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US9650551B2 Composition including 2,3,3,3-tetrafluoropropene Chemistry; Metallurgy 32 Active
US10029963B2 Composition comprising HF and 1,3,3,3-tetrafluoropropene Chemistry; Metallurgy 18 Active
US9255045B2 E-1-chloro-3,3,3-trifluoropropene production process from 1,1,3,3-tetrachloropropene Chemistry; Metallurgy 15 Active
US10252913B2 Composition comprising HF and 2,3,3,3-tetrafluoropropene Chemistry; Metallurgy 14 Active
US9834499B2 E-1-chloro-3,3,3-trifluoropropene production process from 1,1,3,3-tetrachloropropene Chemistry; Metallurgy 13 Active
US10077221B2 Composition comprising HF and E-3,3,3-trifluoro-1-chloropropene Chemistry; Metallurgy 13 Active
US10532965B2 E-1-chloro-3,3,3-trifluoropropene production process from 1,1,3,3-tetrachloropropene Chemistry; Metallurgy 13 Active
US10343963B2 Composition comprising HF and E-3,3,3-trifluoro-1-chloropropene Chemistry; Metallurgy 12 Active
US10427998B2 Compositions based on 1,1,3,3-tetrachloropropene Chemistry; Metallurgy 11 Active
US10266465B2 Composition comprising HF and 1,3,3,3-tetrafluoropropene Chemistry; Metallurgy 8 Active
US10604690B2 Composition including 2,3,3,3-tetrafluoropropene Chemistry; Metallurgy 7 Active
US5252309A Azine synthesis in the absence of CO.sub.2 Emerging Cross-Sectional Technologies 7 Expired
US8389779B2 Process for the preparation of fluorinated compounds Chemistry; Metallurgy 5 Active
US9889416B2 Composition comprising HF, 3,3,3-trifluoro-2-chloropropene, and E-3,3,3-trifluoro-1-chloropropene Chemistry; Metallurgy 3 Active
US5951830A Process for purification of hydrochlorofluoroethanes Emerging Cross-Sectional Technologies 2 Expired
US9334208B2 Process for the preparation of 2,3,3,3 tetrafluoropropene Chemistry; Metallurgy 2 Active
US5393508A Vaporization of solutions of hydrazine hydrate Emerging Cross-Sectional Technologies 2 Expired
US4978435A Free chlorine removal process Chemistry; Metallurgy 1 Expired
US10596536B2 Composition comprising HF and 3,3,3-trifluoro-2-chloropropene Chemistry; Metallurgy 1 Active
US10207971B2 Compositions comprising 1,1,1,2,3 pentachloropropane Chemistry; Metallurgy 1 Active
US11286223B2 Method to purify a crude stream containing hydrochlorofluoroolefin Chemistry; Metallurgy 1 Active
US11028029B2 Process for the production of 2,3,3,3-tetrafluoropropene Chemistry; Metallurgy 0 Active
US9346723B2 Method for producing 2,3,3,3-tetrafluoropropene Chemistry; Metallurgy 0 Active
US11225445B2 Process for the production of trans-1-chloro-3,3,3-trifluoropropene Chemistry; Metallurgy 0 Active
US10730813B2 Method for producing and purifying 2,3,3,3-tetrafluoropropene Chemistry; Metallurgy 0 Active

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