Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6103653 | Attrition resistant zeolite catalysts for production of methylamines in fluidized bed reactors | Konstantinos Kourtakis, George C. Sonnichsen, David Richard Corbin, Loren D. Brake | 2000-08-15 |
| 6100211 | Attrition resistant zeolite catalysts for production of methylamines in fluidized bed reactors | Konstantinos Kourtakis, George C. Sonnichsen, David Richard Corbin, Loren D. Brake | 2000-08-08 |
| 5569785 | Attrition resistant zeolite catalysts for production of methylamines in fluidized bed reactors | Konstantinos Kourtakis, George C. Sonnichsen, David Richard Corbin, Loren D. Brake | 1996-10-29 |
| 5082810 | Ceramic dielectric composition and method for preparation | Salvatore A. Bruno, Ian Burn | 1992-01-21 |
| 5011804 | Ceramic dielectric compositions and method for improving sinterability | Ian Burn | 1991-04-30 |
| 4849539 | Method of making acrylonitrile | — | 1989-07-18 |
| 4769477 | Method of making maleic anhydride | — | 1988-09-06 |
| 4752596 | Modified 8-ring zeolites as catalysts | David Richard Corbin, George C. Sonnichsen | 1988-06-21 |
| 4683334 | Modified 8-ring zeolites as catalysts for conversion of methanol and ammonia to dimethylamine | David Richard Corbin, George C. Sonnichsen | 1987-07-28 |
| 4677084 | Attrition resistant catalysts, catalyst precursors and catalyst supports and process for preparing same | — | 1987-06-30 |
| 4477492 | Process for preparing superficially porous supports for chromatography and catalysts | Joseph J. Kirkland | 1984-10-16 |
| 4410405 | Silica sol process | — | 1983-10-18 |
| 4316744 | High ratio silicate foundry sand binders | — | 1982-02-23 |
| 4272409 | Aluminosilicate sols and powders | — | 1981-06-09 |
| 4257874 | Petroleum refinery processes using catalyst of aluminosilicate sols and powders | — | 1981-03-24 |
| 4217240 | Stable aluminosilicate aquasols having uniform size particles and their preparation | — | 1980-08-12 |