Inventor · Kingsport, TN, US

Mesfin Ejerssa Janka

70Patents
17h-index
35Co-inventors
80Inventor score

Filing activity: Nov 7, 2007 → Mar 22, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US8796477B2 Oxidation process to produce a crude and/or purified carboxylic acid product Chemistry; Metallurgy 44 Active
US8772513B2 Oxidation process to produce a crude dry carboxylic acid product Chemistry; Metallurgy 41 Active
US8791278B2 Oxidation process to produce a crude and/or purified carboxylic acid product Chemistry; Metallurgy 41 Active
US8846960B2 Oxidation process to produce a crude and/or purified carboxylic acid product Chemistry; Metallurgy 40 Active
US8748479B2 Process for purifying crude furan 2,5-dicarboxylic acid using hydrogenation Chemistry; Metallurgy 40 Active
US8969404B2 Purifying crude furan 2,5-dicarboxylic acid by hydrogenation Chemistry; Metallurgy 39 Active
US8791277B2 Oxidation process to produce a crude and/or purified carboxylic acid product Chemistry; Metallurgy 38 Active
US8916719B2 Process for producing dry purified furan-2,5-dicarboxylic acid with oxidation off-gas treatment Mechanical Engineering; Lighting; Heating 36 Active
US8809556B2 Oxidation process to produce a purified carboxylic acid product via solvent displacement and post oxidation Chemistry; Metallurgy 35 Active
US9206149B2 Oxidation process to produce a crude dry carboxylic acid product Chemistry; Metallurgy 33 Active
US9156805B2 Oxidative purification method for producing purified dry furan-2,5-dicarboxylic acid Chemistry; Metallurgy 32 Active
US8658810B2 Method for producing purified dialkyl-furan-2,5-dicarboxylate vapor Chemistry; Metallurgy 31 Active
US9029580B2 Oxidation process to produce a purified carboxylic acid product via solvent displacement and post oxidation Chemistry; Metallurgy 28 Active
US8916720B2 Process for producing dry purified furan-2,5-dicarboxylic acid with oxidation off-gas treatment Mechanical Engineering; Lighting; Heating 21 Active
US9573120B2 Furan-2,5-dicarboxylic acid purge process Emerging Cross-Sectional Technologies 18 Active
US8859788B2 Esterification of furan-2,5-dicarboxylic acid to a dialkyl-furan-2,5-dicarboxylate vapor with rectification Chemistry; Metallurgy 17 Active
US9504994B2 Furan-2,5-dicarboxylic acid purge process Emerging Cross-Sectional Technologies 17 Active
US9604202B2 Furan-2,5-dicarboxylic acid purge process Emerging Cross-Sectional Technologies 16 Active
US10344011B1 Furan-2,5-dicarboxylic acid purge process Chemistry; Metallurgy 16 Active
US10421736B2 Production of purified dialkyl-furan-2,5-dicarboxylate (DAFD) in a retrofitted DMT plant Chemistry; Metallurgy 15 Active
US10010812B2 Furan-2,5-dicarboxylic acid purge process Emerging Cross-Sectional Technologies 15 Active
US9943834B2 Furan-2,5-dicarboxylic acid purge process Emerging Cross-Sectional Technologies 14 Active
US9944615B2 Purifying crude furan 2,5-dicarboxylic acid by hydrogenation and a purge zone Performing Operations; Transporting 14 Active
US10526301B1 Production of purified dialkyl-furan-2,5-dicarboxylate (DAFD) in a retrofitted DMT plant Chemistry; Metallurgy 13 Active
US9156806B2 Process for purifying crude furan 2,5-dicarboxylic acid using hydrogenation Chemistry; Metallurgy 11 Active

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