Inventor · Ludwigshafen, DE

Mark Duda

22Patents
9h-index
54Co-inventors
70Inventor score

Filing activity: Sep 16, 1998 → Jan 16, 2006

Most-cited inventions

PatentTitleAreaCited byStatus
US7482500B2 Preparation of butadiene Chemistry; Metallurgy 86 Expired
US7488857B2 Method for the production of butadiene and 1-butene Chemistry; Metallurgy 81 Expired
US6720462B2 Method for producing aromatic alcohols, especially phenol Emerging Cross-Sectional Technologies 68 Expired
US6299778A Catalytically active permeable composite material, method for producing said composite material, and use of the same Emerging Cross-Sectional Technologies 54 Expired
US6852893B2 Method for oxidizing hydrocarbons Chemistry; Metallurgy 37 Expired
US6153576A Transition-metal complexes used as activators for peroxy compounds Performing Operations; Transporting 21 Expired
US8088962B2 Method for producing butadiene from n-butane Chemistry; Metallurgy 19 Active
US7060649B2 Method for the production of a catalyst containing vanadium, phosphorus, and oxygen Performing Operations; Transporting 17 Expired
US7417173B2 Method for producing butadiene from n-butane Chemistry; Metallurgy 14 Expired
US6174559A Gluten-derived colloidal dispersions and edible coatings therefrom and method of making Human Necessities 8 Expired
US7597529B2 Method for filling a vertical tube with catalyst particles Performing Operations; Transporting 5 Expired
US6166268A Selective oxidation and the synthesis of hydroxyl-containing aromatic compounds Emerging Cross-Sectional Technologies 4 Expired
US7157403B2 Catalyst-precursor for the production of maleic acid anhydride and method for the production thereof Performing Operations; Transporting 4 Expired
US7799373B2 In situ recoating of catalyst beds Performing Operations; Transporting 4 Active
US7495138B2 Method for producing butadiene from n-butane Chemistry; Metallurgy 4 Expired
US7169732B2 Catalyst-precursor for the production of maleic acid anhydride and method for the production thereof Performing Operations; Transporting 3 Expired
US7488858B2 Method for the production of butadiene Chemistry; Metallurgy 2 Expired
US6989454B2 Method for producing maleic anhydride Chemistry; Metallurgy 2 Expired
US6210557A Electrocatalytic selective oxidation of hydrocarbons Emerging Cross-Sectional Technologies 2 Expired
US7435860B2 Method for the production of butadine from n-butane Chemistry; Metallurgy 2 Expired
US7087767B2 Method for producing maleic anhydride Chemistry; Metallurgy 0 Expired
US7345167B2 Method for the production of maleic anhydride Chemistry; Metallurgy 0 Expired

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