Lloyd Berg
130Patents
0Active
130Granted
35Portfolio score
Filing activity: Jun 2, 1986 → Jan 16, 1996
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5320715A | Separation of 1-pentanol from cyclopentanol by extractive distillation | Chemistry; Metallurgy | 225 | Expired |
| US5415741A | Separation of ethanol from isopropanol by azeotropic distillation | Chemistry; Metallurgy | 86 | Expired |
| US5437770A | Separation of ethanol from isopropanol by azeotropic distillation | Chemistry; Metallurgy | 86 | Expired |
| US5445716A | Separation of ethanol from isopropanol by extractive distillation | Chemistry; Metallurgy | 85 | Expired |
| US5348625A | Separation of ethanol from isopropanol by extractive distillation | Chemistry; Metallurgy | 84 | Expired |
| US4966658A | Recovery of ethylene glycol from butanediol isomers by azeotropic distillation | Chemistry; Metallurgy | 29 | Expired |
| US5423955A | Separation of propylene glycol from 1,2-butanediol by azeotropic | Chemistry; Metallurgy | 29 | Expired |
| US4935102A | Separation of 2,3-butanediol from propylene glycol by azeotropic distillation | Chemistry; Metallurgy | 25 | Expired |
| US5085739A | Separation of the propyl alcohols from water by azeotropic or extractive distillation | Chemistry; Metallurgy | 19 | Expired |
| US5084142A | Separation of tertiary butyl alcohol from water by azeotropic or extractive distillation | Chemistry; Metallurgy | 16 | Expired |
| US4969977A | Separation of 2-methyl-butanol-1 from pentanol-1 by extractive distillation | Chemistry; Metallurgy | 15 | Expired |
| US5425853A | Separation of propylene glycol from ethylene glycol by azeotropic distillation | Chemistry; Metallurgy | 13 | Expired |
| US4935103A | Separation of n-propanol from t-amyl alcohol by extractive distillation | Chemistry; Metallurgy | 12 | Expired |
| US5160412A | Dehydration of acetic acid by azeotropic distillation | Chemistry; Metallurgy | 11 | Expired |
| US4897161A | Separation of vinyl acetate from ethyl acetate by extractive distillation | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5338410A | Separation of 2-butanol from t-amyl alcohol by azeotropic distillation | Chemistry; Metallurgy | 9 | Expired |
| US5332478A | Separation of 1-propanol from 2-butanol by azeotropic distillation | Chemistry; Metallurgy | 9 | Expired |
| US5417813A | Separation of 1-butanol from 2-pentanol by azeotropic distillation | Chemistry; Metallurgy | 9 | Expired |
| US5246470A | Removal of sulfur from coal and pitch with dolomite | Chemistry; Metallurgy | 9 | Expired |
| US4925533A | Separation of vinyl acetate from ethyl acetate by extractive distillation with acids or acid amides | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5401366A | Separation of 1-butanol from 2-pentanol by extractive distillation | Chemistry; Metallurgy | 8 | Expired |
| US5338411A | Separation of ethanol from isopropanol by azeotropic distillation | Chemistry; Metallurgy | 8 | Expired |
| US4981667A | Removal of sulfur from petroleum coke with lime | Chemistry; Metallurgy | 8 | Expired |
| US5417814A | Separation of 3-methyl-2-butanol from 2-pentanol by extractive distillation | Chemistry; Metallurgy | 7 | Expired |
| US5447608A | Separation of 2-pentanol, 3-methyl-2-butanol and 1-butanol by azeotropic distillation | Chemistry; Metallurgy | 7 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.