Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6417407 | Method of making 2-bromo-4-chloro substituted phenols | Bao-Guo Huang | 2002-07-09 |
| 6025526 | Synthesis of substituted mercapto-benzaldehydes | Viktor D. Sorokin | 2000-02-15 |
| 5773668 | Method of making trichloromethoxybenzene | Michael J. Fifolt, Mary Cocoman, Walter Opalinski, William S. Derwin | 1998-06-30 |
| 5405995 | Difluorophthalic compounds and their preparation | James J. Maul | 1995-04-11 |
| 5380926 | Method of making 3-methoxy-2,4,5-trifluorobenzoic acid | William S. Derwin | 1995-01-10 |
| 5294738 | Process for selective hydrodefluorination | Jeffrey S. Stults, William S. Derwin | 1994-03-15 |
| 5233082 | Method of making 3-hydroxy-2,4,5-trifluorobenzoic acid | William S. Derwin | 1993-08-03 |
| 5144076 | Preparation of 3,5-diamino benzotrifluoride | Ramesh Krishnamurti, Henry Lin, Mahendra K. Dosi | 1992-09-01 |
| 5086188 | Preparation of 3,5-dichlorophthalic acid and 3,5-dichlorophthalic anhydride | Neil J. O'Reilly, Henry Lin | 1992-02-04 |
| H992 | Preparation of fluorobenzenes by the decarboxylation of fluorophthalic | Henry Lin | 1991-11-05 |
| 5059697 | Preparation of halogenated phthalic anhydrides | Neil J. O'Reilly, Henry Lin | 1991-10-22 |
| 5003103 | Preparation of 2-choloro-4,5-difluorobenzoic acid from 4,5-difluorophthalic anhydride of 4,5-difluorophthalic acid | Henry Lin | 1991-03-26 |
| 4994606 | Process for the preparation of 4,5-difluoroanthranilic acid from 4,5-difluorophthalic anhydride or 4,5-difluorophthalic acid | Henry Lin | 1991-02-19 |
| 4954639 | Single pot process for making a fluoroanthranilic acid | Neil J. O'Reilly | 1990-09-04 |
| 4937377 | Preparation of 3,4-difluorobenzoic acid by the decarboxylation of 4,5-difluorophthalic anhydride or 4,5-difluorophthalic acid | Neil J. O'Reilly | 1990-06-26 |