Inventor · Rueil-Malmaison, FR

Elisabeth Merlen

24Patents
12h-index
16Co-inventors
70Inventor score

Filing activity: Apr 8, 1998 → May 2, 2003

Most-cited inventions

PatentTitleAreaCited byStatus
US6337063B1 Process for preparing a zeolite with structure type EUO using structuring agent precursors and its use as an AC8 isomerisation catalyst Emerging Cross-Sectional Technologies 52 Expired
US6342200B1 Process for preparing a zeolite with structure type EUO Emerging Cross-Sectional Technologies 48 Expired
US6514479B1 EUO zeolite comprising crystals and aggregates of crystals with specific granulometrys and its use as a catalyst in the isomerisation of C8 aromatic compounds Chemistry; Metallurgy 27 Expired
US6150292A Catalyst for isomerizing aromatic C8 cuts Emerging Cross-Sectional Technologies 22 Expired
US6613709B1 Catalyst comprising at least one zeolite with structure type NES and rhenium, and its use for transalkylation of alkylaromatic hydrocarbons Emerging Cross-Sectional Technologies 22 Expired
US6057486A Catalyst containing a zeolite EUO and the use of the catalyst in a process for isomerizing aromatic compounds containing 8 carbon atoms per molecule Chemistry; Metallurgy 21 Expired
US6465705B1 Process for isomerizing aromatic C8 cuts in the presence of a catalyst based on mordenite containing at least one group VIII metal and at least one group III metal Emerging Cross-Sectional Technologies 17 Expired
US6376734B1 Process for the production of at least one isomer of xylenes that comprise an adsorption stage and an isomerization stage with an euo-structural-type catalyst Chemistry; Metallurgy 16 Expired
US6448459B1 Process for the production of paraxylene that comprises an adsorption stage, a liquid phase isomerization stage and a gas phase isomerization stage with an euo-type zeolite Chemistry; Metallurgy 15 Expired
US6313363A Process for isomerizing aromatic compounds containing eight carbon atoms Emerging Cross-Sectional Technologies 14 Expired
US6486372B1 Catalyst based on dealuminated mordenite containing at least one metal from groups VI, VII or VIII, and its use for dismutation and/or transalkylation of aromatic hydrocarbons Emerging Cross-Sectional Technologies 13 Expired
US6288295A Catalyst for use in organic compound transformation reactions Performing Operations; Transporting 12 Expired
US6864400B2 Catalyst comprising at least one zeolite with structure type NES and rhenium, and its use for transalkylation of alkylaromatic hydrocarbons Emerging Cross-Sectional Technologies 10 Expired
US6528695B1 Process for the production of an isomer of xylenes in three stages: separation, isomerization in the presence of a catalyst based on an EUO zeolite and transalkylation Emerging Cross-Sectional Technologies 8 Expired
US6512154B1 Production of a xylene isomer in three stages: separation, isomerization with a catalyst with an EUO zeolite base and transalkylation with recycling of C10-aromatic compounds Chemistry; Metallurgy 8 Expired
US5929296A Catalyst based on dealuminated mordenite and its use for dismutation and/or transalkylation of aromatic hydrocarbons Emerging Cross-Sectional Technologies 8 Expired
US6616910B2 Process for preparation of an EUO-structural-type zeolite, the zeolite that is obtained and its use as catalyst for isomerization of C8-aromatic compounds Chemistry; Metallurgy 7 Expired
US6147269A Isomerization with an EUO-type catalyst of aromatic compounds with eight carbon atoms followed by a dehydrogenation stage Emerging Cross-Sectional Technologies 4 Expired
US6350929B2 Process for isomerizing and dehydrogenating using a catalyst activated by sulfurization and passivation with ammonia or precursor thereof Emerging Cross-Sectional Technologies 4 Expired
US6635791B1 Process for pretreating a catalyst based on an EUO zeolite under severe conditions Chemistry; Metallurgy 3 Expired
US6337427B1 Process for isomerizing aromatic cuts containing eight carbon atoms using a catalyst containing a zeolite with an EUO type structure Chemistry; Metallurgy 3 Expired
US6429345B1 Process for production phenylalkanes using a catalyst based on a zeolite with structure type EUO Emerging Cross-Sectional Technologies 3 Expired
US6723301B2 EUO-structural-type zeolite with a low si/Al ratio and its use as catalyst for isomerization of C8-aromatic fractions Emerging Cross-Sectional Technologies 1 Expired
US6333289A Process for activating catalysts for isomerizing aromatic compounds containing eight carbon atoms Chemistry; Metallurgy 0 Expired

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