Inventor · League City, TX, US

Emily Duff

17Patents
1h-index
18Co-inventors
43Inventor score

Filing activity: Nov 30, 2007 → Dec 16, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US8536384B2 Recovering ethanol sidedraw by separating crude product from hydrogenation process Chemistry; Metallurgy 1 Active
US8927786B2 Ethanol manufacturing process over catalyst having improved radial crush strength Performing Operations; Transporting 1 Active
US9486781B2 Ethanol manufacturing process over catalyst having improved radial crush strength Performing Operations; Transporting 1 Active
US9000233B2 Process to recover alcohol with secondary reactors for hydrolysis of acetal Chemistry; Metallurgy 1 Active
US8946348B2 Method for dissolving polyvinyl alcohol particles into aqueous media using high shear Chemistry; Metallurgy 0 Active
US8927787B2 Process for controlling a reboiler during alcohol recovery and reduced ester formation Chemistry; Metallurgy 0 Active
US8927788B2 Process to recover alcohol with reduced water from overhead of acid column Chemistry; Metallurgy 0 Active
US8907139B2 Process for acetal removal in the purification of a crude ethanol product Chemistry; Metallurgy 0 Active
US8907141B2 Process to recover alcohol with secondary reactors for esterification of acid Chemistry; Metallurgy 0 Active
US8933278B2 Process for producing ethanol and reducing acetic acid concentration Emerging Cross-Sectional Technologies 0 Active
US8853470B2 Esterifying an ethanol and acetic acid mixture to produce an ester feed for hydrogenolysis Performing Operations; Transporting 0 Active
US9126125B2 Reduced energy alcohol separation process having water removal Chemistry; Metallurgy 0 Active
US9073816B2 Reducing ethyl acetate concentration in recycle streams for ethanol production processes Emerging Cross-Sectional Technologies 0 Active
US9029614B2 Phasing reactor product from hydrogenating acetic acid into ethyl acetate feed to produce ethanol Chemistry; Metallurgy 0 Active
US9024085B2 Process to reduce ethanol recycled to hydrogenation reactor Chemistry; Metallurgy 0 Active
US8853469B2 Combined column for separating products of different hydrogenation reactors Chemistry; Metallurgy 0 Active
US9156754B2 Process to recover alcohol with reduced water from overhead of acid column Chemistry; Metallurgy 0 Active

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