Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5112983 | Process for producing 1,2,4-triazol-5-one using organic sulfonic acids and polymers thereof as a catalyst | Delmer A. Fidler | 1992-05-12 |
| 4999434 | Process for low chloride 1,2,4-triazol-5-one | Delmer A. Fidler | 1991-03-12 |
| 4927940 | Process for low chloride 1,2,4-triazol-5-one | Delmer A. Fidler | 1990-05-22 |
| 4774266 | N-substituted 5-phenyltetrazoles as high temperature blowing agents | Kiran B. Chandalia, Eugene F. Rothgery, Mary G. Harscher | 1988-09-27 |
| 4585871 | Process for oxidizing halopyridines to halopyridine-N-oxides | — | 1986-04-29 |
| 4582935 | Process for producing meta-aminobenzotrifluoride | — | 1986-04-15 |
| 4521603 | Continuous process for the production of polybromopyridine compounds | — | 1985-06-04 |
| 4487969 | Production of m-fluoroacetophenone | — | 1984-12-11 |
| 4310671 | Process for producing 2,6-dichloro-3-nitropyridine | — | 1982-01-12 |
| 4291165 | Process for making 2-bromopyridine | — | 1981-09-22 |