Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679872 | Process for the purification of an ether comprising two distillation steps | — | 1997-10-21 |
| 5609734 | Combined distillation and permeation process for the separation of oxygenated compounds from hydrocarbons and use thereof in etherification | Lionel Asselineau | 1997-03-11 |
| 5607557 | Ethyl tertio-butyl ether purification process combining a membrane method and distillation | — | 1997-03-04 |