Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4734502 | Process for the preparation of 2,2,6,6-tetramethyl-4-oxopiperidine | John F. Stephen | 1988-03-29 |
| 4645839 | Sulphur dehydrogenation process to yield 5-methyl-2-pyridone | John F. Stephen | 1987-02-24 |
| 4487978 | High yield process for preparing 4,4'-biphenol and tert-alkylated-alkylbenzenes | John F. Stephen | 1984-12-11 |
| 4487977 | High yield process for preparing 3,3',5,5'-tetraalkyl-4,4'-biphenol | John F. Stephen | 1984-12-11 |
| 4482755 | High yield process for preparing 4,4'-biphenol and para-alkylbenzenes | John F. Stephen | 1984-11-13 |
| 4435586 | Etherification process for hexitols and anhydrohexitols | John F. Stephen | 1984-03-06 |
| 4369316 | 3,1 Benzoxazine 2,4-dione | John F. Stephen | 1983-01-18 |
| 4326072 | Ruthenium catalyzed hydrogenation of D-glucuronic acid | Makram H. Meshreki | 1982-04-20 |
| 4314078 | Process for preparing 5-(2-chloro-4-trifluoromethylphenoxy)-2-nitro-N-alkanesulphonyl benzamides from a benzoic acid derivative and intermediates | John F. Stephen | 1982-02-02 |
| 4313000 | Process for preparing 5-(2-chloro-4-trifluoromethylphenoxy)-2-nitro-N-alkanesulphonyl benzamides from a toluene derivative and intermediates | John F. Stephen | 1982-01-26 |
| 4292451 | High mannitol process (alkaline hydrogenation in presence of alkali metal carbonate) | Albert DeBerardinis | 1981-09-29 |