Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698749 | Catalysts for the hydrogenation of aqueous maleic acid to 1,4-butanediol | John G. Frye, Jr., Thomas G. Attig, John R. Budge | 1997-12-16 |
| 5473086 | Process for the hydrogenation of maleic acid to 1,4-butanediol | John R. Budge, Thomas G. Attig | 1995-12-05 |
| 4864057 | Dehydrogenation of carboxylic acids with mixed metal phosphorus oxide catalysts | James L. Callahan, Harley F. Hardman | 1989-09-05 |
| 4810807 | Hydrogenation of maleic anhydride to tetrahydrofuran | John R. Budge | 1989-03-07 |
| 4749810 | Strong acid hydrocarboxylation of propylene to isobutyric acid using metal phthalocyanines as co-catalysts | Frederick A. Pesa, Thomas Haase | 1988-06-07 |
| 4677238 | Preparation of indenes | Linda L. Pfingsten | 1987-06-30 |
| 4613711 | Indenes by catalytic dehydrocyclization | Wilfrid G. Shaw, Linda L. Pfingsten | 1986-09-23 |
| 4568783 | Indenes by catalytic dehydrogenation of indanes | Diane G. Farrington | 1986-02-04 |
| 4473707 | Oxidative dehydrogenation of carboxylic acids with mixed metal phosphorus oxide coated catalysts | Harry H. Teng | 1984-09-25 |
| 4427792 | Iron-phosphorus mixed oxide catalysts and process for their preparation | Noel J. Bremer, James L. Callahan | 1984-01-24 |
| 4408071 | Process for the production of carboxylic acids | Harley F. Hardman, Louis F. Wagner | 1983-10-04 |
| 4381411 | Production of methacrolein from isobutyraldehyde utilizing promoted iron phosphorus oxide catalysts | Louis F. Wagner | 1983-04-26 |
| 4364856 | Mixed metal phosphorus oxide coated catalysts for the oxidative dehydrogenation of carboxylic acids | Harry H. Teng | 1982-12-21 |
| 4358610 | Process for the production of methacrylic acid from isobutyraldehyde | Louis F. Wagner, Christos Paparizos | 1982-11-09 |