Issued Patents All Time
Showing 76–85 of 85 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5491273 | Catalytic conversion of methanol to linear olefins | Clarence D. Chang, James C. Vartuli, David H. Olson | 1996-02-13 |
| 5453556 | Oligomerization process for producing synthetic lubricants | Clarence D. Chang, Scott Han, Margaret M. Wu, Yusheng Xiong | 1995-09-26 |
| 5449847 | Selective conversion of benzene to tercyclohexane | Clarence D. Chang, Scott Han, John D. Lutner | 1995-09-12 |
| 5401478 | Selective catalytic reduction of nitrogen oxides | Clarence D. Chang, David S. Shihabi, Scott A. Stevenson | 1995-03-28 |
| 5382731 | Combined paraffin isomerization/ring opening process | Clarence D. Chang, Roy Daniel Bastian, Scott Han | 1995-01-17 |
| 5345026 | Ring opening process | Clarence D. Chang, David L. Stern | 1994-09-06 |
| 5304695 | Double bond isomerization of olefin-containing feeds with minimal oligomerization using permanently surface acidity deactivated zeolite catalysts | Werner O. Haag | 1994-04-19 |
| 5250484 | Surface modified porous acidic crystalline catalyst | Jeffrey S. Beck, Roland H. Heck | 1993-10-05 |
| 5237120 | Double bond isomerization of olefin-containing feeds with minimal oligomertization using surface acidity deactivated zeolite catalysts | Werner O. Haag, Roland H. Heck, David S. Shihabi | 1993-08-17 |
| 5177281 | Double bond isomerization of 1-olefin containing feeds using ZSM-22, ZSM-23 or ZSM-35 | Werner O. Haag | 1993-01-05 |