Issued Patents 1989
Showing 1–25 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888103 | Process of stripping in a catalytic cracking operation employing a catalyst mixture which includes a shape selective medium pore silicate zeolite component | Joseph A. Herbst, Paul H. Schipper | 1989-12-19 |
| 4885421 | Multistage reactor system for production of fuels | Mohsen N. Harandi | 1989-12-05 |
| 4879428 | Upgrading lower olefins | Mohsen N. Harandi | 1989-11-07 |
| 4877921 | Single zone oligomerization of olefins in a super-dense phase turbulent fluid bed | Mohsen N. Harandi | 1989-10-31 |
| 4875994 | Process and apparatus for catalytic cracking of residual oils | James H. Haddad, Klaus W. Schatz | 1989-10-24 |
| 4874503 | Multiple riser fluidized catalytic cracking process employing a mixed catalyst | Joseph A. Herbst, Paul H. Schipper | 1989-10-17 |
| 4871446 | Catalytic cracking process employing mixed catalyst system | Joseph A. Herbst, Paul H. Schipper | 1989-10-03 |
| 4867950 | Catalyst regeneration with flue gas | Mohsen N. Harandi | 1989-09-19 |
| 4868144 | Process to reduce NO.sub.x emissions from a fluid catalytic cracking unit | Joseph A. Herbst, Paul H. Schipper | 1989-09-19 |
| 4865718 | Maximizing distillate production in a fluid catalytic cracking operation employing a mixed catalyst system | Joseph A. Herbst, Paul H. Schipper | 1989-09-12 |
| 4863585 | Fluidized catalytic cracking process utilizing a C3-C4 paraffin-rich Co-feed and mixed catalyst system with selective reactivation of the medium pore silicate zeolite component thereofo | Joseph A. Herbst, Paul H. Schipper | 1989-09-05 |
| 4864067 | Process for hydrotreating olefinic distillate | Mohsen N. Harandi | 1989-09-05 |
| 4861741 | Mixed catalyst system and catalytic conversion process employing same | Joseph A. Herbst, Paul H. Schipper | 1989-08-29 |
| 4859308 | Two-stage process for conversion of alkanes to gasoline | Mohsen N. Harandi | 1989-08-22 |
| 4857667 | System for conversion of crude oxygenate to gasoline with feedstock extraction | Mohsen N. Harandi | 1989-08-15 |
| 4855524 | Process for combining the operation of oligomerization reactors containing a zeolite oligomerization catalyst | Mohsen N. Harandi | 1989-08-08 |
| 4854939 | Aromatization and etherification process integration | Mohsen N. Harandi | 1989-08-08 |
| 4853105 | Multiple riser fluidized catalytic cracking process utilizing hydrogen and carbon-hydrogen contributing fragments | Joseph A. Herbst, Paul H. Schipper | 1989-08-01 |
| 4853187 | Apparatus to reduce NO.sub.x emissions from a fluid catalytic cracking unit | Joseph A. Herbst, Paul H. Schipper | 1989-08-01 |
| 4853107 | Method and apparatus for removing small catalyst particles in FCC systems | James H. Haddad | 1989-08-01 |
| 4851602 | Alkanes and alkenes conversion to high octane gasoline | Mohsen N. Harandi | 1989-07-25 |
| 4849186 | Production of middle distillate range hydrocarbons by light olefin upgrading | James H. Beech, Jr., Michael P. Ramage, Samuel A. Tabak | 1989-07-18 |
| 4840928 | Conversion of alkanes to alkylenes in an external catalyst cooler for the regenerator of a FCC unit | Mohsen N. Harandi | 1989-06-20 |
| 4835329 | Process for producing high octane gasoline | Mohsen N. Harandi | 1989-05-30 |
| 4834949 | Multistage system for converting olefins to heavier hydrocarbons | Bernard S. Wright | 1989-05-30 |