Inventor · Val-de-Reuil, FR

Alexandra Chaumonnot

39Patents
8h-index
44Co-inventors
71Inventor score

Filing activity: Jun 24, 2005 → Nov 26, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US8226740B2 Inorganic material that has metal nanoparticles that are trapped in a mesostructured matrix Emerging Cross-Sectional Technologies 70 Active
US8821714B2 Catalyst based on a material with a hierarchical porosity comprising silicon, and a process for hydrocracking/hydroconversion and hydrotreatment of hydrocarbon feeds Performing Operations; Transporting 31 Active
US9340733B2 Process for Hydrodesulphuration of gasoil cuts using a catalyst based on heteropolyanions trapped in a mesostructured silica support Chemistry; Metallurgy 24 Active
US8002970B2 Zeolitic catalyst with a controlled doping element content, and improved process for processing hydrocarbon feeds Chemistry; Metallurgy 20 Active
US7994085B2 Material with a hierarchical porosity comprising silicon Performing Operations; Transporting 19 Active
US9321973B2 Process for the hydrocracking of hydrocarbon cuts using a catalyst based on heteropolyanions trapped in a mesostructured oxide support Emerging Cross-Sectional Technologies 12 Active
US8222470B2 Process for oligomerizing olefins using a catalyst based on silica-alumina Chemistry; Metallurgy 11 Active
US7851320B2 Mesostructured aluminosilicate material Performing Operations; Transporting 8 Active
US7807598B2 Mesostructured material with a high aluminum content Performing Operations; Transporting 7 Active
US7879224B2 Doped alumino-silicate catalyst and improved process for treatment of hydrocarbon feeds Chemistry; Metallurgy 6 Active
US8685366B2 Crystallized material with hierarchical porosity containing silicon Chemistry; Metallurgy 5 Active
US8247539B2 Process for preparing materials by grafting halogenated phosphorus-containing groups onto an inorganic surface Performing Operations; Transporting 5 Active
US7563743B2 Doped catalyst and improved process for treatment of hydrocarbon feedstocks Chemistry; Metallurgy 5 Expired
US8435912B2 Catalyst based on an organic-inorganic hybrid support and its use in hydrorefining and hydroconversion Performing Operations; Transporting 4 Active
US9079774B2 Inorganic material made of spherical particles of specific size and having metallic nanoparticles trapped in a mesostructured matrix Emerging Cross-Sectional Technologies 3 Active
US9656421B2 Process for preparing a spherical material with a hierarchical porosity comprising metallic particles trapped in a mesostructured matrix Emerging Cross-Sectional Technologies 3 Active
US8785707B2 Catalyst based on a crystallized material with hierarchized and organized porosity and its use in oligomerization of light olefins Chemistry; Metallurgy 1 Active
US9758442B2 Method for dehydrating and isomerising alcohols using a non-zeolite aluminosilicate solid Chemistry; Metallurgy 1 Active
US8747652B2 Catalyst based on a crystalline material comprising silicon with a hierarchical and organized porosity, and an improved process for the treatment of hydrocarbon feeds Performing Operations; Transporting 1 Active
US8673253B2 Amorphous silicon-containing material with hierarchical porosity Emerging Cross-Sectional Technologies 1 Active
US11148983B2 Tantalum-based catalyst deposited on silica for the transformation of ethanol into butadiene Chemistry; Metallurgy 0 Active
US10792644B2 Catalyst Ta-Nb for the production of 1,3-butadiene Chemistry; Metallurgy 0 Active
US8623508B2 Crystallized silicon-containing material with hierarchical and organized porosity Emerging Cross-Sectional Technologies 0 Active
US10975000B2 Stabilized production of 1,3-butadiene in the presence of a tantalum oxide doped by an aldolizing element Chemistry; Metallurgy 0 Active
US8236419B2 Amorphous silicon-containing material with hierarchical and organized porosity Emerging Cross-Sectional Technologies 0 Active

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