Issued Patents All Time
Showing 51–75 of 249 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5580427 | Separation of butyraldehyde from ethanol by azeotropic distillation | — | 1996-12-03 |
| 5470443 | Separation of isopropanol from 2-butanone by extractive distillation | — | 1995-11-28 |
| 5466345 | Separation of o-xylene from p-xylene and m-xylene by azeotropic distillation | — | 1995-11-14 |
| 5460700 | Separation of 1-hexene from hexane by extractive distillation | — | 1995-10-24 |
| 5458741 | Separation of benzene from close boiling hydrocarbons by extractive distillation | — | 1995-10-17 |
| 5453166 | Separation of ethanol from 2-butanone by extractive distillation | — | 1995-09-26 |
| 5453167 | Separation of xylenes by extractive distillation | — | 1995-09-26 |
| 5447608 | Separation of 2-pentanol, 3-methyl-2-butanol and 1-butanol by azeotropic distillation | — | 1995-09-05 |
| 5445716 | Separation of ethanol from isopropanol by extractive distillation | — | 1995-08-29 |
| 5445715 | Separation of m-xylene from xylenes by azeotropic distillation | — | 1995-08-29 |
| 5443697 | Separation of heptane from 1-heptene by extractive distillation | — | 1995-08-22 |
| 5441608 | Separation of xylenes by extractive distillation | — | 1995-08-15 |
| 5439561 | Separation of 3-methyl-2-butanol from 2-pentanol by azeotropic | — | 1995-08-08 |
| 5437770 | Separation of ethanol from isopropanol by azeotropic distillation | — | 1995-08-01 |
| 5425855 | Separation of ethyl benzene from p-xylene by extractive distillation | — | 1995-06-20 |
| 5425853 | Separation of propylene glycol from ethylene glycol by azeotropic distillation | — | 1995-06-20 |
| 5425854 | Separation of methylene chloride from tetrahydrofuran by extractive distillation | — | 1995-06-20 |
| 5423955 | Separation of propylene glycol from 1,2-butanediol by azeotropic | — | 1995-06-13 |
| 5423954 | Separation of 2-butanone from isopropanol by azeotropic distillation | — | 1995-06-13 |
| 5421965 | Separation of glycerine from bis(hydroxymethyl)tetrahydrofuran by azeotropic distillation | — | 1995-06-06 |
| 5417814 | Separation of 3-methyl-2-butanol from 2-pentanol by extractive distillation | — | 1995-05-23 |
| 5417813 | Separation of 1-butanol from 2-pentanol by azeotropic distillation | — | 1995-05-23 |
| 5417812 | Separation of ethyl benzene from xylenes by azeotropic distillation | — | 1995-05-23 |
| 5415741 | Separation of ethanol from isopropanol by azeotropic distillation | — | 1995-05-16 |
| 5407542 | Separation of 3-methyl-2-butanol from 1-butanol by azeotropic distillation | — | 1995-04-18 |