Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9675966 | Catalyst for n-butane oxidation to maleic anhydride | James F. Brazdil, Robert A. Gustaferro | 2017-06-13 |
| 9295977 | Pre calcination additives for mixed metal oxide ammoxidation catalysts | James F. Brazdil, Charles J. Besecker, Michael J. Seely, Mark A. Toft | 2016-03-29 |
| 8835666 | Pre calcination additives for mixed metal oxide ammoxidation catalysts | James F. Brazdil, Charles J. Besecker, Michael J. Seely, Mark A. Toft | 2014-09-16 |
| 8658557 | Catalyst for n-butane oxidation to maleic anhydride | Robert A. Gustaferro | 2014-02-25 |
| 8658817 | Method of making mixed metal oxide catalysts for ammoxidation and/or oxidation of lower alkane hydrocarbons | Charles J. Besecker, Bhagya Chandra Sutradhar, Mark A. Toft, James F. Brazdil, Christos Paparizos +1 more | 2014-02-25 |
| 8492583 | Process for purification of aromatic carboxylic acids | Philip O. Nubel, Jeffrey J. Foster, Ricky L. Wittman | 2013-07-23 |
| 7919428 | Method of making mixed metal oxide catalysts for ammoxidation and/or oxidation of lower alkane hydrocarbons | Bhagya Chandra Sutradhar, Thomas L. Szabo, Mark A. Toft, Christos Paparizos, Lina K. Bodiwala | 2011-04-05 |
| 7629286 | Phosphorus addition process for improvement of catalysts suitable for maleic anhydride production | Gary V. Goeden | 2009-12-08 |
| 6103935 | Process for production of fumaric acid by isomerization of maleic acid | — | 2000-08-15 |
| 5792722 | Catalysts for the production of maleic anhydride by the oxidation of butane | Bernard L. Meyers, Hassan Taheri, Philip A. Wolfe | 1998-08-11 |
| 5506187 | Catalysts for the production of maleic anhydride by the oxidation of butane | Bernard L. Meyers, Hassan Taheri, Philip A. Wolfe | 1996-04-09 |
| 5273645 | Manufacture of lubricating oils | Frederick T. Clark | 1993-12-28 |
| 5134106 | Maleic anhydride catalysts | William S. Eryman | 1992-07-28 |
| 5095125 | Maleic anhydride production | Bernard L. Meyers, William S. Eryman | 1992-03-10 |
| 5093298 | Maleic anhydride catalysts | William S. Eryman | 1992-03-03 |
| 5053211 | Manufacture of AMS-18 crystalline borosilicate molecular sieve | — | 1991-10-01 |
| 5019545 | Process for manufacture of maleic anhydride catalysts | William S. Eryman | 1991-05-28 |
| 4996179 | Maleic anhydride catalysts and process for their manufacture | Bernard L. Meyers, William S. Eryman | 1991-02-26 |
| 4965235 | Maleic anhydride catalysts and process for their manufacture | William S. Eryman | 1990-10-23 |
| 4957894 | Process for manufacture of maleic anhydride catalysts | William S. Eryman | 1990-09-18 |
| 4933312 | Maleic anhydride catalysts and process for their manufacture | Bernard L. Meyers, William S. Eryman | 1990-06-12 |
| 4855270 | Boronaaronate molecular sieve | John J. Schimandle | 1989-08-08 |
| 4725570 | Post-treatment of AMS-1B crystalline borosilicate molecular sieve-based catalyst compositions | David L. Sikkenga | 1988-02-16 |
| 4721607 | Process for the production of boronaaronate molecular sieve using ethylenediamine and quinoline or isoquinoline | John J. Schimandle | 1988-01-26 |
| 4670616 | AMS-1B crystalline borosilicate molecular sieve-based catalyst compositions and process for toluene methylation | Richard E. De Simone | 1987-06-02 |