Inventor · Chaponnay, FR

Isabelle Merdrignac

12Patents
2h-index
7Co-inventors
39Inventor score

Filing activity: Dec 3, 2013 → Aug 24, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US9650580B2 Integrated process for the treatment of oil feeds for the production of fuel oils with a low sulphur and sediment content Chemistry; Metallurgy 79 Active
US11421166B2 Process for the production of fuels of heavy fuel type from a heavy hydrocarbon-containing feedstock using a separation between the hydrotreatment stage and the hydrocracking stage Chemistry; Metallurgy 8 Active
US9982203B2 Process for the conversion of a heavy hydrocarbon feedstock integrating selective cascade deasphalting with recycling of a deasphalted cut Emerging Cross-Sectional Technologies 1 Active
US10160924B2 Process for refining a heavy hydrocarbon-containing feedstock implementing a selective cascade deasphalting Chemistry; Metallurgy 1 Active
US12338402B2 Process for the preparation of olefins, comprising de-asphalting, hydrocracking and steam cracking Chemistry; Metallurgy 0 Active
US12049591B2 Bitumens comprising unconventional bitumen bases Chemistry; Metallurgy 0 Active
US11692142B2 Method for converting feedstocks comprising a hydrotreatment step, a hydrocracking step, a precipitation step and a sediment separation step, in order to produce fuel oils Chemistry; Metallurgy 0 Active
US12098333B2 Process for the preparation of olefins, involving de-asphalting, hydroconversion, hydrocracking and steam cracking Chemistry; Metallurgy 0 Active
US9926499B2 Process for refining a hydrocarbon feedstock of the vacuum residue type using selective deasphalting, a hydrotreatment and a conversion of the vacuum residue for production of gasoline and light olefins Chemistry; Metallurgy 0 Active
US9963643B2 Process for refining a heavy hydrocarbon feed using a selective deasphalting step Chemistry; Metallurgy 0 Active
US11702603B2 Method for converting feedstocks comprising a hydrocracking step, a precipitation step and a sediment separation step, in order to produce fuel oils Chemistry; Metallurgy 0 Active
US11959030B2 Process for the preparation of olefins, comprising hydrotreatment, de-asphalting, hydrocracking and steam cracking Chemistry; Metallurgy 0 Active

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