Issued Patents All Time
Showing 51–64 of 64 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6730625 | Hydroalkylation of aromatic hydrocarbons | Clarence D. Chang, Jane C. Cheng, Terry E. Helton, Michael A. Steckel | 2004-05-04 |
| 6312657 | Production of nitrous oxide | Clarence D. Chang, James C. Vartuli | 2001-11-06 |
| 6162757 | Acid catalyst composition | Clarence D. Chang, Scott Han, James C. Vartuli | 2000-12-19 |
| 6037513 | Hydroalkylation of aromatic hydrocarbons | Clarence D. Chang, Jane C. Cheng, Terry E. Helton, Michael A. Steckel | 2000-03-14 |
| 6002059 | Process for upgrading natural gas | Stuart D. Hellring | 1999-12-14 |
| 5902767 | Catalyst having an acidic solid oxide component and a group IB metal or metal oxide component | Charles T. Kresge, Clarence D. Chang, Jose G. Santiesteban, David S. Shihabi, James C. Vartuli | 1999-05-11 |
| 5830346 | FCC regenerator in partial CO burn with downstream air addition | Mohsen N. Harandi, Paul H. Schipper, David S. Shihabi | 1998-11-03 |
| 5552128 | Selective catalytic reduction of nitrogen oxides | Clarence D. Chang, Jose G. Santiesteban, David S. Shihabi, James C. Vartuli | 1996-09-03 |
| 5463168 | Process for the removal of hydrogen cyanide from FCC hydrocarbon product gas streams | Costandi A. Audeh, David S. Shihabi, Richard F. Socha | 1995-10-31 |
| 5451387 | Selective catalytic reduction of nitrogen oxides using an iron impregnated zeolite catalyst | Maria D. Farnos, John P. McWilliams, Sanjay B. Sharma, David S. Shihabi, James C. Vartuli | 1995-09-19 |
| 5401478 | Selective catalytic reduction of nitrogen oxides | Clarence D. Chang, Jose G. Santiesteban, David S. Shihabi | 1995-03-28 |
| 5382352 | Conversion of NO.sub.x in FCC bubbling bed regenerator | Allen R. Hansen, David L. Johnson, Paul H. Schipper, Mohsen N. Harandi | 1995-01-17 |
| 5268089 | FCC of nitrogen containing hydrocarbons and catalyst regeneration | Amos A. Avidan, Mark Mathias, Raghu Menon, Joseph F. Sodomin, III, Gerald J. Teitman | 1993-12-07 |
| 5173278 | Denitrification of flue gas from catalytic cracking | David O. Marler, Ajit V. Sapre, David S. Shihabi, Richard F. Socha | 1992-12-22 |