Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4982032 | Process for converting a wet acetylene-containing stream to aromatics using a zinc-promoted, crystalline, borosilicate molecular sieve catalyst composition | David Demarco | 1991-01-01 |
| 4968655 | Catalysts for conversion of a lower alkane | James L. Jezl, Glenn O. Michaels, Michael J. Spangler | 1990-11-06 |
| 4814539 | Conversion of a lower alkane | James L. Jezl, Glenn O. Michaels, Michael J. Spangler | 1989-03-21 |
| 4638072 | Disubstituted maleic anhydride compounds | Ellis K. Fields, Steven J. Behrend | 1987-01-20 |
| 4596867 | Disubstituted maleic anhydride compounds | Ellis K. Fields, Steven J. Behrend | 1986-06-24 |
| 4585897 | Process for preparation of fuel additives from acetylene | Ellis K. Fields, David A. De Marco | 1986-04-29 |
| 4560761 | Quaternary ammonium compounds containing an anhydride group | Ellis K. Fields | 1985-12-24 |
| 4536560 | Polyimides prepared from cyclic dianhydrides | Ellis K. Fields, Benjamin L. Shneider | 1985-08-20 |
| 4526986 | Halomethyl, methyl maleic anhydride and synthesis of bromomethyl, methyl maleic anhydride | Ellis K. Fields | 1985-07-02 |
| 4490545 | Cyclic dianhydrides prepared from maleic anhydride | Ellis K. Fields, Benjamin L. Shneider | 1984-12-25 |