Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5444132 | Controlled addition of alkali or alkaline earth salts to a chromium oxide catalyst | Elizabeth A. Benham, Max P. McDaniel | 1995-08-22 |
| 5284811 | Polymerization catalysts and processes | Elizabeth A. Benham, Max P. McDaniel | 1994-02-08 |
| 5073531 | Olefin polymerization catalysts and preparation method | — | 1991-12-17 |
| 4436883 | Polymerization using a support formed by heating silica gel in inert atmosphere | — | 1984-03-13 |
| 4436882 | Polymerization process utilizing a catalyst prepared by aging of a chromium-containing gel at high pH | — | 1984-03-13 |
| 4405501 | Aging of chromium-containing gel at high pH | — | 1983-09-20 |
| 4392990 | Heating silica gel in inert atmosphere before activation | — | 1983-07-12 |
| 4246139 | Silica production | — | 1981-01-20 |