Inventor · Seeheim-Jugenheim, DE

Alexander May

17Patents
3h-index
32Co-inventors
60Inventor score

Filing activity: Jun 29, 1987 → Nov 17, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US7999130B2 Methods for producing alkyl(meth)acrylates Chemistry; Metallurgy 14 Active
US9309180B2 Method for producing acrylic acid Chemistry; Metallurgy 9 Active
US4824656A Method of recovering sulfur from solid catalysts Emerging Cross-Sectional Technologies 4 Expired
US8975440B2 Method for producing a carboxylic acid amide from a carbonyl compound and hydrocyanic acid Chemistry; Metallurgy 2 Active
US7928251B2 Process for preparing tetramethyl glycolide Chemistry; Metallurgy 2 Active
US8569539B2 Process for preparing alpha-hydroxycarboxylic esters Emerging Cross-Sectional Technologies 2 Active
US8207371B2 Process for preparing (meth)acrylic acid Chemistry; Metallurgy 2 Active
US8889899B2 Transesterification methods Chemistry; Metallurgy 1 Expired
US9428437B2 Method for dehydrating alpha-substituted carboxylic acids Emerging Cross-Sectional Technologies 1 Active
US11905239B2 Process for producing methacrylic acid or methacrylic acid esters Performing Operations; Transporting 0 Active
US9234218B2 Process for preparing methacrylic acid or methacrylic esters Chemistry; Metallurgy 0 Active
US11866387B2 Process for producing methacrylic acid or methacrylic acid esters Performing Operations; Transporting 0 Active
US11952336B2 Process for separation of methanol and methyl (meth)acrylate Performing Operations; Transporting 0 Active
US9809530B2 Method for producing alpha-hydroxy carboxylic esters in the gas phase Chemistry; Metallurgy 0 Active
US9289752B2 Catalyst for reacting carboxylic acid nitriles Performing Operations; Transporting 0 Active
US8334406B2 Process for preparing carboxamides by hydrolysis carboxylic acid nitriles in the presence of a catalyst comprising manganese dioxide Chemistry; Metallurgy 0 Active
US10227284B2 Method for preparing alpha-hydroxycarboxylic acid esters in which ammonia is recycled Chemistry; Metallurgy 0 Active

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