Issued Patents All Time
Showing 201–210 of 210 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5180846 | Hydrogenation of enzymatically-produced glycolic acid/aminomethylphosphonic acid mixtures | David L. Anton, Earnest W. Porta | 1993-01-19 |
| 5135860 | Process for preparing glyoxylic acid/aminomethylphosphonic acid mixtures | David L. Anton, Earnest W. Porta | 1992-08-04 |
| 5066809 | Preparation of 3-methylpyridine from 2-methylglutaronitrile | Dev D. Suresh, Richard Loiseau, Maria S. Friedrich, Hsiao-Chiung Szabo | 1991-11-19 |
| 5028713 | Ammoxidation of methyl substituted heteroaromatics to make heteroaromatic nitriles | James D. Burrington, Robert K. Grasselli | 1991-07-02 |
| 4876348 | Process for making 3-cyanopyridine | James D. Burrington, Dev D. Suresh | 1989-10-24 |
| 4861911 | Process for oxidation of benzene to phenol precursor | Hsiao-Chiung Szabo | 1989-08-29 |
| 4783550 | Process for oxidation of benzene to phenol precursor | Hsiao-Chiung Szabo | 1988-11-08 |
| 4721789 | Oxidative cyclization of 2-methylglutaronitrile to 3-cyanopyridine | James D. Burrington, Robert K. Grasselli | 1988-01-26 |
| 4603207 | Conversion of a mixture of 3-methylpyridine and 3-methylpiperidine to 3-cyanopyridine | James D. Burrington, Dev D. Suresh | 1986-07-29 |
| 4571443 | Process for effecting oxidative dehydrodimerization | James D. Burrington, Robert K. Grasselli | 1986-02-18 |