Issued Patents All Time
Showing 26–50 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5453411 | Mild hydrocracking of heavy hydrocarbon feedstocks employing silica-alumina catalysts | Charles N. Campbell, II, Bobby R. Martin, Randall H. Petty | 1995-09-26 |
| 5449839 | One step synthesis of ethyl t-butyl ether from t-butanol using .beta.-zeolite and multimetal-modified .beta.-zeolite catalysts | John F. Knifton | 1995-09-12 |
| 5449838 | Isopropyl t-butyl ether (IPTBE) generation from crude acetone | John F. Knifton, Ernest L. Yeakey | 1995-09-12 |
| 5435908 | Hydroconversion process employing catalyst with specified pore size distribution | Gerald V. Nelson, Govanon Nongbri, Roy E. Pratt, David E. Sherwood, Jr. | 1995-07-25 |
| 5436215 | Mild hydrocracking of heavy hydrocarbon feedstocks employing lithia promoted catalysts | Charles N. Campbell, II, Joseph A. Durkin, David E. Sherwood, Jr. | 1995-07-25 |
| 5430198 | Diisopropyl ehter/MTBE cogeneration from crude by-product acetone | John F. Knifton | 1995-07-04 |
| 5416054 | Hydroconversion catalyst with specified pore size distribution | Gerald V. Nelson, Govanon Nongbri, Roy E. Pratt, David E. Sherwood, Jr. | 1995-05-16 |
| 5399259 | Hydroconversion process employing catalyst with specified pore size distribution | Gerald V. Nelson, Govanon Nongbri, Roy E. Pratt, David E. Sherwood, Jr. | 1995-03-21 |
| 5397456 | Hydroconversion process employing catalyst with specified pore size distribution | David E. Sherwood, Jr. | 1995-03-14 |
| 5391286 | Process for catalytic dewaxing of hydrocarbon feedstocks | Robert J. Taylor, Jr., Randall H. Petty, Joseph A. Durkin | 1995-02-21 |
| 5387723 | One-step synthesis of methyl t-butyl ether from t-butanol using .beta.-zeolite catalysts modified with lithium plus rare earths | John F. Knifton | 1995-02-07 |
| 5387722 | One-step synthesis of methyl t-butyl ether from t-butanol using pentasil zeolite catalysts | John F. Knifton | 1995-02-07 |
| 5370788 | Wax conversion process | Joseph A. Durkin, Bobby R. Martin | 1994-12-06 |
| 5364981 | On-step synthesis of methyl t-butyl ether from t-butanol using platinum/palladium modified .beta.-zeolite catalysts | John F. Knifton | 1994-11-15 |
| 5352835 | Supported catalysts for amination | Terry L. Renken, Laurence D. Neff | 1994-10-04 |
| 5342507 | Mild hydrocracking process employing catalysts containing dealuminated y-zeolites | Charles N. Campbell, II, Bobby R. Martin, David E. Sherwood, Jr. | 1994-08-30 |
| 5340466 | Hydrodesulfurization of cracked naphtha with hydrotalcite-containing catalyst | David E. Sherwood, Jr., Randall H. Petty | 1994-08-23 |
| 5332490 | Catalytic process for dewaxing hydrocarbon feedstocks | Robert J. Taylor, Jr., Randall H. Petty, Joseph A. Durkin | 1994-07-26 |
| 5322616 | Mild hydrocracking of heavy hydrocarbon feedstocks employing lithia promoted catalysts | Charles N. Campbell, II, Joseph A. Durkin, David E. Sherwood, Jr. | 1994-06-21 |
| 5320743 | Mild hydrocracking of heavy hydrocarbon feedstocks employing silica-alumina catalysts | Charles N. Campbell II, Bobby R. Martin, Randall H. Petty | 1994-06-14 |
| 5308472 | Mild hydrocracking process using catalysts containing dealuminated y-zeolites | Charles N. Campbell, II, Bobby R. Martin, David E. Sherwood, Jr. | 1994-05-03 |
| 5276215 | Alkylphenol synthesis using zeolites as catalysts, particularly dealuminized y-zeolites | John F. Knifton, Yu-Hwa E. Sheu | 1994-01-04 |
| 5256828 | Heterogeneous catalyst for alkoxylation of alcohols | Michael Cuscurida, John F. Knifton | 1993-10-26 |
| 5143878 | Zeolite treating process | David E. Sherwood, Jr. | 1992-09-01 |
| 5126299 | Catalyst for the control of SO.sub.x emission | Edward H. Holst | 1992-06-30 |