Inventor
DUFF EMILY
US16 patents
⚠️ This page may combine multiple inventors who share the name “DUFF EMILY”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CELANESE INT CORP
6 patentsUS9486781B2Nov 8, 2016
Ethanol manufacturing process over catalyst having improved radial crush strength
CELANESE INT CORP2 citations62
US8907139B2Dec 9, 2014
Process for acetal removal in the purification of a crude ethanol product
CELANESE INT CORP0 citations52
US9156754B2Oct 13, 2015
Process to recover alcohol with reduced water from overhead of acid column
CELANESE INT CORP0 citations51
US8853470B2Oct 7, 2014
Esterifying an ethanol and acetic acid mixture to produce an ester feed for hydrogenolysis
CELANESE INT CORP0 citations51
US9029614B2May 12, 2015
Phasing reactor product from hydrogenating acetic acid into ethyl acetate feed to produce ethanol
CELANESE INT CORP0 citations49
US8853469B2Oct 7, 2014
Combined column for separating products of different hydrogenation reactors
CELANESE INT CORP0 citations41
LEE DAVID
5 patentsUS9000233B2Apr 7, 2015
Process to recover alcohol with secondary reactors for hydrolysis of acetal
LEE DAVID2 citations61
US9024085B2May 5, 2015
Process to reduce ethanol recycled to hydrogenation reactor
LEE DAVID0 citations51
US8933278B2Jan 13, 2015
Process for producing ethanol and reducing acetic acid concentration
LEE DAVID0 citations51
US8927788B2Jan 6, 2015
Process to recover alcohol with reduced water from overhead of acid column
LEE DAVID1 citations51
US8907141B2Dec 9, 2014
Process to recover alcohol with secondary reactors for esterification of acid
LEE DAVID0 citations40