Inventor · Seabrook, TX, US

David Lee

57Patents
1h-index
28Co-inventors
56Inventor score

Filing activity: Apr 26, 2011 → Jun 7, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US8809597B2 Separation of vapor crude alcohol product Chemistry; Metallurgy 2 Active
US8710279B2 Hydrogenolysis of ethyl acetate in alcohol separation processes Chemistry; Metallurgy 1 Active
US8927783B2 Recovering ethanol with sidestreams to regulate C3+ alcohols concentrations Chemistry; Metallurgy 1 Active
US8536384B2 Recovering ethanol sidedraw by separating crude product from hydrogenation process Chemistry; Metallurgy 1 Active
US8927784B2 Process to recover alcohol from an ethyl acetate residue stream Chemistry; Metallurgy 1 Active
US8884080B2 Reduced energy alcohol separation process Chemistry; Metallurgy 1 Active
US9000235B2 Extractive distillation of crude alcohol product Chemistry; Metallurgy 1 Active
US8686200B2 Process to recover alcohol from an acidic residue stream Emerging Cross-Sectional Technologies 1 Active
US11731929B2 Methods and systems of monitoring flammability of various streams during vinyl acetate production Performing Operations; Transporting 1 Active
US8877987B2 Process for producing anhydrous ethanol using extractive distillation column Chemistry; Metallurgy 1 Active
US9000233B2 Process to recover alcohol with secondary reactors for hydrolysis of acetal Chemistry; Metallurgy 1 Active
US8829250B2 Finishing reactor for purifying ethanol Chemistry; Metallurgy 1 Active
US8558034B2 Reducing acetals during ethanol separation process using high pressure distillation column Chemistry; Metallurgy 0 Active
US8748674B2 Separation process having an alcohol sidestream Chemistry; Metallurgy 0 Active
US8686199B2 Process for reducing the concentration of acetic acid in a crude alcohol product Emerging Cross-Sectional Technologies 0 Active
US9126125B2 Reduced energy alcohol separation process having water removal Chemistry; Metallurgy 0 Active
US8802902B2 Pressure driven distillation for ethanol production and recovery from hydrogenation process Chemistry; Metallurgy 0 Active
US8461399B2 Separation process having an alcohol sidestream Chemistry; Metallurgy 0 Active
US9024084B2 Reduced energy alcohol separation process having controlled pressure Chemistry; Metallurgy 0 Active
US8748675B2 Extractive distillation of crude alcohol product Chemistry; Metallurgy 0 Active
US8846987B2 Ethanol separation process having stripping section for reducing acetals Chemistry; Metallurgy 0 Active
US8927787B2 Process for controlling a reboiler during alcohol recovery and reduced ester formation Chemistry; Metallurgy 0 Active
US9024082B2 Using a dilute acid stream as an extractive agent Chemistry; Metallurgy 0 Active
US8853470B2 Esterifying an ethanol and acetic acid mixture to produce an ester feed for hydrogenolysis Performing Operations; Transporting 0 Active
US8853469B2 Combined column for separating products of different hydrogenation reactors Chemistry; Metallurgy 0 Active

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