Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5076908 | Method and apparatus for an on-stream particle replacement system for countercurrent contact of a gas and liquid feed stream with a packed bed | Bruce E. Stangeland, David S. Smith, James T. McCall, Georgieanna L. Scheuerman, Robert W. Bachtel | 1991-12-31 |
| 4988433 | Demetalation of hydrocarbonaceous feedstocks using monobasic carboxylic acids and salts thereof | John G. Reynolds | 1991-01-29 |
| 4615796 | Method for contacting solids-containing feeds in a layered bed reactor | — | 1986-10-07 |