Issued Patents All Time
Showing 26–50 of 190 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5741952 | Catalytic decomposition of peroxides to purify a methyl tertiary butyl ether recycle stream | John R. Sanderson | 1998-04-21 |
| 5716896 | One-step synthesis of methyl t-butyl ether from t-butanol using .beta.-zeolite catalysts modified with lithium plus rare earths | Pei-Shing E. Dai | 1998-02-10 |
| 5637778 | Isopropyl alcohol and diispropyl ether production from crude by-product acetone in one step | Robert J. Taylor, Jr., Pei-Shing E. Dai, Bobby R. Martin | 1997-06-10 |
| 5583266 | Integrated process for the production of isopropyl alcohol and diisopropyl ethers | Robert J. Taylor, Jr., Pei-Shing E. Dai | 1996-12-10 |
| 5550300 | Gradient catalyst system for the integrated production of isopropyl alcohol and diisopropyl ethers | Robert J. Taylor, Jr., Pei-Shing E. Dai | 1996-08-27 |
| 5527970 | Synthesis of ethyl t-butyl ether from t-butanol in one step using acid catalysts | Rei-Yu J. Hwan, Brian L. Benac | 1996-06-18 |
| 5488179 | Ditertiary butyl peroxide preparation from tertiary butyl hydroperoxide | Edward T. Marquis, Pei-Shing E. Dai | 1996-01-30 |
| 5488178 | Ditertiary butyl peroxide preparation from tertiary butyl hydroperoxide | Edward T. Marquis, Pei-Shing E. Dai | 1996-01-30 |
| 5476972 | Isopropyl alcohol and ether production from crude by-product acetone | Pei-Shing E. Dai, Robert J. Taylor, Jr., Bobby R. Martin | 1995-12-19 |
| 5466778 | Process for polymerization of tetrahydrofuran using acidic zeolite catalysts | Timothy L. Lambert | 1995-11-14 |
| 5457243 | Neutralization of crude MTBE effluent streams using solid bases | Mark A. Mueller, Michael W. Peters | 1995-10-10 |
| 5449838 | Isopropyl t-butyl ether (IPTBE) generation from crude acetone | Ernest L. Yeakey, Pei-Shing E. Dai | 1995-09-12 |
| 5449839 | One step synthesis of ethyl t-butyl ether from t-butanol using .beta.-zeolite and multimetal-modified .beta.-zeolite catalysts | Pei-Shing E. Dai | 1995-09-12 |
| 5430198 | Diisopropyl ehter/MTBE cogeneration from crude by-product acetone | Pei-Shing E. Dai | 1995-07-04 |
| 5414163 | Use of titania or zirconia in the preparation of tertiary butyl alcohol from tertiary butyl hydroperoxide | John R. Sanderson, Edward T. Marquis | 1995-05-09 |
| 5414162 | Use of pentagonally supported palladium catalyst in the preparation of tertiary butyl alcohol from tertiary butyl hydroperoxide | John R. Sanderson | 1995-05-09 |
| 5414141 | Use of supported palladium catalysts in the preparation of tertiary butyl alcohol from tertiary butyl hydroperoxide | John R. Sanderson, Roger G. Duranleau | 1995-05-09 |
| 5387723 | One-step synthesis of methyl t-butyl ether from t-butanol using .beta.-zeolite catalysts modified with lithium plus rare earths | Pei-Shing E. Dai | 1995-02-07 |
| 5387722 | One-step synthesis of methyl t-butyl ether from t-butanol using pentasil zeolite catalysts | Pei-Shing E. Dai | 1995-02-07 |
| 5364981 | On-step synthesis of methyl t-butyl ether from t-butanol using platinum/palladium modified .beta.-zeolite catalysts | Pei-Shing E. Dai | 1994-11-15 |
| 5362913 | Saturated, aminated, alkoxylated polybutadienes | Michael Cuscurida | 1994-11-08 |
| 5359130 | Use of supported palladium/platinum catalysts in the preparation of tertiary butyl alcohol from tertiary butyl hydroperoxide | John R. Sanderson, Roger G. Duranleau | 1994-10-25 |
| 5354917 | Use of supported rhodium catalysts in the preparation of tertiary butyl alcohol from tertiary butyl hydroperoxide | John R. Sanderson, Roger G. Duranleau | 1994-10-11 |
| 5352847 | One-step synthesis of methyl t-butyl ether from t-butanol using pillared, phosphated montmorillonite clay catalysts | — | 1994-10-04 |
| 5349110 | Synthesis of low molecular weight glycol ethers from oxiranes plus olefins | — | 1994-09-20 |