Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6303812 | Isolation of products from selective dehalogenation of haloaromatics | Michael C. Savidakis, Ronald F. Spohn, Daniel R. Thielen, William S. Derwin, David C. Johnson | 2001-10-16 |
| 6284934 | Reducing meta content of isomeric mixtures of halo substituted alkylbenzenes | William S. Derwin, Viesturs Lesins, Arthur H. Morth, Frank P. Bermel, David Y. Tang +2 more | 2001-09-04 |
| 6225514 | Ring halogenation of aromatic compounds | Charles Cook, Michael C. Hausladen, Michael C. Savidakis | 2001-05-01 |
| 6201152 | Method of making 3,5-dichloro-p-toluoyl chloride | Sanjay Mandal, William S. Derwin | 2001-03-13 |
| 6124512 | Ring halogenation of aromatic compounds | Charles Cook, Michael C. Hausladen, Michael C. Savidakis | 2000-09-26 |
| 6118028 | Method of making trifluoromethoxybenzenes | Kevin R. Benson, John J. Hickey, William S. Derwin, Sanjay Mandal | 2000-09-12 |
| 6117278 | Method of making .alpha.-chloroxylenes | Sanjay Mandal, Kevin R. Benson, John J. Hickey, James Franc, George Piotrowski +1 more | 2000-09-12 |
| 6118018 | Chlorination and bromination of aromatic compounds at atmospheric pressure | Michael C. Savidakis, Daniel R. Thielen, Ronald F. Spohn, David C. Johnson, William S. Derwin | 2000-09-12 |
| 5773668 | Method of making trichloromethoxybenzene | Lawrence B. Fertel, Mary Cocoman, Walter Opalinski, William S. Derwin | 1998-06-30 |
| 4808760 | Telomers prepared from chlorotrifluoroethylene and 1,2-dibromo-2-chlorotrifluoroethane | Bobby F. Dannels, David Y. Tang | 1989-02-28 |
| 4766243 | Electrophilic fluorination of aromatic compounds | — | 1988-08-23 |
| 4596664 | Non-flammable hydraulic fluids | John Forcucci | 1986-06-24 |
| 4577044 | Preparation of chlorotrifluoroethylene telomers with fluoroxytrifluoromethane | Donald H. Campbell, Mohan S. Saran | 1986-03-18 |
| 4533762 | Preparation of chlorotrifluoroethylene telomers with bisfluoroxydifluoromethane | Donald H. Campbell, Mohan S. Saran | 1985-08-06 |
| 4528109 | Non-flammable hydraulic fluids | John Forcucci | 1985-07-09 |
| 4521616 | Method for the preparation of fluoroanthranilic acids | Arthur M. Foster | 1985-06-04 |
| 4499024 | Continuous process for preparing bisfluoroxydifluoromethane | — | 1985-02-12 |
| 4391991 | Process for the preparation of para-fluoroaniline | Rudolph F. Mundhenke | 1983-07-05 |
| 4374267 | Fluorophthalamic acids and method of preparation | Arthur M. Foster | 1983-02-15 |
| 4374266 | Ammonium salts of fluorophthalamic acids and method of preparation | Arthur M. Foster | 1983-02-15 |
| 4361521 | Difluorophthaloyl fluoride | — | 1982-11-30 |
| 4343951 | Method for the preparation of fluoroaniline | Arthur M. Foster | 1982-08-10 |
| 4268457 | Process for the preparation of paraphenoxybenzoylchloride | James G. Colson, Victor F. G. Cooke, F. Howard Day | 1981-05-19 |