Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5068483 | Catalysts based on zeolites modified by alkali metal elements in the metallic form, their preparation, and their application to alkylation of alkylaromatic derivatives | Viviane Q. de Quivillic | 1991-11-26 |
| 4778946 | Process for separating ethylbenzene from feedstream containing metaxylene using a zeolite adsorbent | Roger Hulme | 1988-10-18 |
| 4751346 | Process for separating ethylbenzene from xylenes by selective adsorption on a gallium beta zeolite (ATD-35) | Lawrence G. Daniel | 1988-06-14 |
| 4613725 | Process for separating ethylbenzene from xylenes by selective adsorption on a rubidium substituted X zeolite | — | 1986-09-23 |
| 4593149 | Process for separating ethylbenzene from xylenes by selective adsorption on a cesium substituted X zeolite | — | 1986-06-03 |
| 4593150 | Process for enhancing the separation of paraxylene from a feedstream containing other xylenes and ethylbenzene using a zeolite adsorbent | — | 1986-06-03 |
| 4584424 | Process for separating ethylbenzene from xylenes by selective adsorption on a Beta zeolite | — | 1986-04-22 |
| 4554398 | Process for the separation of C.sub.9 aromatic isomers | Daniel D. Rosenfeld | 1985-11-19 |
| 4482776 | Separation of ortho aromatic isomers by selective adsorption with an aluminophosphate | Daniel D. Rosenfeld | 1984-11-13 |