Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4748140 | In situ activation process for fluid bed oxidation catalysts | Patricia R. Blum, Mark L. Nicholas, Patricia A. Zock | 1988-05-31 |
| 4647673 | Maleic anhydride process | Noel J. Bremer, Dennis E. Dria, Patricia R. Blum, Mark L. Nicholas | 1987-03-03 |
| 4599430 | Nitrogenation of hydrocarbons, including the production of maleimide | Eunice K. T. Wong | 1986-07-08 |
| 4525471 | Attrition resistant microspheroidal fluid bed catalysts containing the mixed oxides of vanadium and phosphorus | Noel J. Bremer, Dennis E. Dria, Patricia R. Blum, Mark L. Nicholas | 1985-06-25 |
| 4518523 | Method for adding make-up fluid bed oxidation catalysts for fluid bed oxidation catalysts containing the mixed oxides of vanadium and phosphorus | Patricia R. Blum, Mark L. Nicholas | 1985-05-21 |
| 4429137 | Preparation of maleic anhydride | Patricia R. Blum, Noel J. Bremer, Dennis E. Dria | 1984-01-31 |
| 4410752 | Process for the oxydehydrogenation of ethane to ethylene | Patricia R. Blum | 1983-10-18 |
| 4400522 | Preparation of maleic anhydride | Michael F. Lemanski, Gregory G. Spitnale | 1983-08-23 |
| 4361501 | Preparation of vanadium phosphorus catalysts using a mixed phosphorus source | Patricia R. Blum, Noel J. Bremer, Dennis E. Dria | 1982-11-30 |
| RE31088 | Process for the manufacture of unsaturated aldehydes and acids from the corresponding olefins | Robert K. Grasselli, Dev D. Suresh | 1982-11-23 |
| 4360453 | Preparation of vanadium phosphorus catalysts | Michael F. Lemanski, Gregory G. Spitnale | 1982-11-23 |
| 4359407 | Catalyst compositions especially useful for preparation of unsaturated acids | Serge R. Dolhyj, Noel J. Bremer | 1982-11-16 |
| 4351773 | Preparation of maleic anhydride from butane using fluidized vanadium-phosphorous-oxide containing catalysts | Michael F. Lemanski, Gregory G. Spitnale | 1982-09-28 |
| 4350639 | Preparation of maleic anhydride | Noel J. Bremer, Dennis E. Dria | 1982-09-21 |
| 4350611 | Preparation of vanadium phosphorus catalysts using olefinic halogenated organic reaction media | Michael F. Lemanski, Noel J. Bremer | 1982-09-21 |
| 4341717 | Reactor for contacting gases and a particulate solid | James L. Callahan, Harley F. Hardman | 1982-07-27 |
| 4333853 | Mixed vanadium phosphorus oxide catalysts and preparation thereof | Noel J. Bremer, Dennis E. Dria | 1982-06-08 |
| 4293498 | Preparation of maleic anhydride | Michael F. Lemanski, Noel J. Bremer | 1981-10-06 |
| 4292203 | Oxidation catalysts | Eunice K. T. Wong | 1981-09-29 |
| 4250054 | Catalysts for producing unsaturated aliphatic acids | Wilfrid G. Shaw, Serge R. Dolhyj | 1981-02-10 |
| 4240931 | Oxidation catalysts | Eunice K. T. Wong | 1980-12-23 |
| 4223161 | Process for producing unsaturated aliphatic acids | Wilfrid G. Shaw, Serge R. Dolhyj | 1980-09-16 |
| 4219484 | Production of maleic anhydride from four-carbon hydrocarbons using catalysts prepared by water reflux techniques | Serge R. Dolhyj, Noel J. Bremer | 1980-08-26 |
| 4218382 | Production of maleic anhydride from four-carbon hydrocarbons using catalysts prepared by water reflux techniques | Serge R. Dolhyj, Noel J. Bremer | 1980-08-19 |