Issued Patents All Time
Showing 26–50 of 249 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5776321 | Separation of t-amyl alcohol from 1-propanol by azeotropic distillation | — | 1998-07-07 |
| 5772853 | Separation of 1-propanol from t-amyl alcohol by extractive distillation | — | 1998-06-30 |
| 5763695 | Separation of 3-methyl-1-butanol from 1-pentanol by extractive distillation | — | 1998-06-09 |
| 5763694 | Separating 3-methyl-1-butanol from 1-pentanol by azeotropic distillation | — | 1998-06-09 |
| 5762765 | Separation of ethanol, isopropanol and water mixtures by azeotropic distillation | — | 1998-06-09 |
| 5759359 | Separation of 2-butanol from tert.amyl alcohol by azeotropic distillation | — | 1998-06-02 |
| 5738764 | Separation of T-Amyl alcohol from 2-methyl-1- propanol by azeotropic distillation | — | 1998-04-14 |
| 5738763 | Separation of 2-methyl-1-propanol from 2-methyl-1-butanol by extractive distillation | — | 1998-04-14 |
| 5723024 | Separation of 2-methyl-1-propanol from 1-butanol by extractive distillation | — | 1998-03-03 |
| 5723025 | Separation of 2-methyl-1-propanol from 2-butanol by extractive distillation | — | 1998-03-03 |
| 5720857 | Separation of 1,2,4-trimethylbenzene from 1,2,3-trimethylbenzene by azeotropic distillation | — | 1998-02-24 |
| 5718809 | Separation of t-amyl alcohol from 2-methyl-1-propanol by extractive distillation | — | 1998-02-17 |
| 5716499 | Separation of 2-methyl-1-propanol from 1-butanol by azeotropic distillation | — | 1998-02-10 |
| 5709781 | Separation of 1-butanol from 2-pentanol by extractive distillation | — | 1998-01-20 |
| 5705038 | Separation of phellandrene from limonene by extractive distillation | — | 1998-01-06 |
| 5698080 | Separation of phellandrene from limonene by azeotropic distillation | — | 1997-12-16 |
| 5693194 | Separation of butyraldehyde from ethanol by extractive distillation | — | 1997-12-02 |
| 5658436 | Separation of 2-methyl-1-butanol from 3-methyl-1-butanol by extractive distillation | — | 1997-08-19 |
| 5658435 | Separation of 2-methyl -1-propanol from 2-butanol by azeotropic distillation | — | 1997-08-19 |
| 5645695 | Separation of 2-methyl-1-propanol from 2-methyl-1-butanol by azeotropic distillation | — | 1997-07-08 |
| 5633402 | Separation of formic acid from acetic acid by azeotropic distillation | — | 1997-05-27 |
| 5602294 | Separation of o-xylene from p-xylene and m-xylene by extractive distillation | — | 1997-02-11 |
| 5599979 | Separation of formic acid from acetic acid by extractive distillation | — | 1997-02-04 |
| 5597455 | Separation of 3-carene and limonene by extractive distillation | — | 1997-01-28 |
| 5582693 | Separation of 3-carene and limonene by azeotropic distillation | — | 1996-12-10 |