Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5726114 | Method of preparation of ex situ selectivated zeolite catalysts for enhanced shape selective applications and methods to increase the activity thereof | Clarence D. Chang, Sharon B. McCullen, Paul G. Rodewald, David S. Shihabi | 1998-03-10 |
| 5449847 | Selective conversion of benzene to tercyclohexane | Clarence D. Chang, Scott Han, Jose G. Santiesteban | 1995-09-12 |
| 5190736 | Synthesis of crystalline ZSM-35 | Stuart D. Hellring, Clarence D. Chang | 1993-03-02 |
| 5169614 | Synthesis of crystalline silicoaluminophosphate composition | Clarence D. Chang | 1992-12-08 |
| 5147627 | Synthesis of crystalline silicoaluminophosphate composition | Clarence D. Chang | 1992-09-15 |
| 5147525 | Synthesis of crystalline metalloaluminophosphate composition | Clarence D. Chang | 1992-09-15 |
| 5147626 | Synthesis of crystalline aluminophosphate composition | Clarence D. Chang | 1992-09-15 |
| 5141729 | Synthesis of crystalline metalloaluminophosphate composition | Clarence D. Chang | 1992-08-25 |
| 5141728 | Synthesis of crystalline aluminophosphate composition | Clarence D. Chang | 1992-08-25 |
| 5104495 | Crystalline (metallo) aluminophosphate composition MCM-40, its synthesis and usage in hydrocarbon conversion | Clarence D. Chang, John L. Schlenker | 1992-04-14 |
| 5091073 | Crystalline molecular sieve compositions MCM-37 | Clarence D. Chang, Cynthia T-W. Chu, Ralph M. Dessau, John B. Higgins, John D. Schlenker | 1992-02-25 |
| 4788169 | Low acidity alumina-bound zeolites containing tetrahedral boron, gallium, indium and/or thallium | Thomas F. Degman, Jr., Nai Y. Chen | 1988-11-29 |
| 4443327 | Method for reducing catalyst aging in the production of catalytically hydrodewaxed products | David S. Shihabi | 1984-04-17 |