Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6942784 | Structurally enhanced cracking catalysts | David Stockwell, Stephen H. Brown | 2005-09-13 |
| 5177290 | Isoprene process | Robert C. Michaelson | 1993-01-05 |
| 4739111 | Alpha, beta-ethylenically unsaturated acids and derivatives thereof using a multicomponent acidic catalyst composition containing zirconium | — | 1988-04-19 |
| 4560790 | Process for synthesizing .alpha.,.beta.-ethylenically unsaturated products using a multicomponent acidic catalyst composition | — | 1985-12-24 |
| 4444904 | Process for synthesizing a multicomponent acidic catalyst composition containing zirconium by an organic solution method | — | 1984-04-24 |
| 4430252 | Process for synthesizing a multicomponent acidic catalyst composition by an organic solution method | — | 1984-02-07 |
| 4415745 | Process for the preparation of aromatic carbamates and isocyanates | Arthur M. Brownstein | 1983-11-15 |
| 4321402 | Carbamate process | Krishna K. Rao, Ralph J. Spohn, Robert Drogin | 1982-03-23 |
| 4312785 | Process for the conversion of aromatic hydrocarbons | — | 1982-01-26 |
| 4313021 | Process for the conversion of aromatic hydrocarbons | — | 1982-01-26 |
| 4275052 | Process for preparing high surface area aluminas | — | 1981-06-23 |
| 4243827 | Process for the conversion of aromatic hydrocarbons | — | 1981-01-06 |