Issued Patents All Time
Showing 51–65 of 65 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5198585 | Method for the preparation of arylketoamines | Ahmed M. Tafesh, Charles B. Hilton | 1993-03-30 |
| 5120855 | Formation of hydroxyaromatic ketoacetal from a hydroxyaromatic methylketone and production of 5-(4'-hydroxyphenyl)hydantoin and Dp-hydroxyphenylglycine from 4-hydroxyacetophenone | Graham N. Mott, John R. Durrwachter | 1992-06-09 |
| 4999457 | Process for the synthesis of 3-chloro-4-hydroxyacetanilide | — | 1991-03-12 |
| 4994613 | Process for preparing 4-hydroxyacetophenone oxime with mother liquor recycle | — | 1991-02-19 |
| 4980496 | Method for producing C.sub.1 to C.sub.5 alkyl nitrides | — | 1990-12-25 |
| 4973752 | Novel process to prevent formation of chlorinated by-products in APAP production | — | 1990-11-27 |
| 4954652 | Production of acetaminophen | John R. Fritch, Theodore Horlenko | 1990-09-04 |
| 4933496 | Process for producing an aqueous 4-hydroxyacetophenone (4-hap) which is stable at room temperature | — | 1990-06-12 |
| 4910338 | Production of .alpha.-chloro-.alpha.-oximino-4-hydroxyacetophenone | — | 1990-03-20 |
| 4855499 | Novel process to prevent formation of chlorinated by-products in APAP production | — | 1989-08-08 |
| 4529550 | Hydrolysis of anhydride in the production of C.sub.5 -C.sub.9 saturated aliphatic monocarboxylic acids | James S. Alder | 1985-07-16 |
| 4500464 | Copper and manganese recovery from C.sub.5 -C.sub.9 saturated aliphatic _monocarboxylic acids _ | — | 1985-02-19 |
| 4487720 | Separation and production of organic saturated monocarboxylic acids | — | 1984-12-11 |
| 4485046 | Production of cupric and manganous alkanoates | — | 1984-11-27 |
| 4485047 | Copper and manganese oxidation catalysts recovery from aqueous solutions | Edward M. de la Garza | 1984-11-27 |