Issued Patents All Time
Showing 51–75 of 85 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6217747 | Process for selective wax hydrocracking | Clarence D. Chang, Scott Han, Daniel J. Martenak, Dennis E. Walsh | 2001-04-17 |
| 6207850 | Process for co-production of dialkyl carbonate and alkanediol | Zhaozhong Jiang, Rene B. LaPierre, Hye Kyung Cho Timken, William A. Weber | 2001-03-27 |
| 6169215 | Production of phenol | Doron Levin, James C. Vartuli | 2001-01-02 |
| 6169216 | Production of phenol | Doron Levin, James C. Vartuli | 2001-01-02 |
| 6147185 | 1,4-diazabicyclo[2.2.2]octane compounds and their use for the production of polyurethanes | Roy Daniel Bastian, John N. Armor, Mark Leo Listemann, Lisa Ann Mercando | 2000-11-14 |
| 6124232 | Method for preparing an acidic solid oxide | Clarence D. Chang, Charles T. Kresge, James C. Vartuli | 2000-09-26 |
| 6114551 | Olefin epoxidation catalysts | Doron Levin, Clarence D. Chang, Shifang Luo, James C. Vartuli | 2000-09-05 |
| 6084096 | Triethylenediamine and piperazine synthesis using zeolite catalysts modified with a silicon-containing compound | Hong-Xin Li, Lenore Ann Emig, John N. Armor | 2000-07-04 |
| 6080904 | Isomerization process | Clarence D. Chang, David L. Stern | 2000-06-27 |
| 6008399 | Process for preparing organic carbonates | Clarence D. Chang | 1999-12-28 |
| 5993643 | Process for naphtha hydrocracking | Clarence D. Chang, Scott Han, Roger A. Morrison | 1999-11-30 |
| 5902767 | Catalyst having an acidic solid oxide component and a group IB metal or metal oxide component | Charles T. Kresge, Clarence D. Chang, David S. Shihabi, Scott A. Stevenson, James C. Vartuli | 1999-05-11 |
| 5854170 | Method for preparing a modified solid oxide | Clarence D. Chang, Frank T. DiGuiseppi, Scott Han, David L. Stern | 1998-12-29 |
| 5811614 | Catalytic norbornylation of aromatics | Francis V. Acholla | 1998-09-22 |
| 5780382 | Method for preparing a modified solid oxide | Clarence D. Chang, Frank T. DiGuiseppi | 1998-07-14 |
| 5780703 | Process for producing low aromatic diesel fuel with high cetane index | Clarence D. Chang, Stuart D. Hellring, David O. Marler, James C. Vartuli | 1998-07-14 |
| 5756741 | Process for the production of triethylenediamine | John N. Armor, Hong-Xin Li | 1998-05-26 |
| 5741906 | Production of triethylenediamine using surface acidity deactivated zeolite catalysts | Hong-Xin Li, John N. Armor | 1998-04-21 |
| 5731449 | Triethylendiamine synthesis with base-treated zeolites as catalysts | Hong-Xin Li, John N. Armor | 1998-03-24 |
| 5719097 | Catalyst comprising a modified solid oxide | Clarence D. Chang, David L. Stern | 1998-02-17 |
| 5608133 | Catalytic oligomerization | Clarence D. Chang, Tracy J. Huang, James C. Vartuli | 1997-03-04 |
| 5552128 | Selective catalytic reduction of nitrogen oxides | Clarence D. Chang, David S. Shihabi, Scott A. Stevenson, James C. Vartuli | 1996-09-03 |
| 5543036 | Process for hydrotreating | Clarence D. Chang, Scott Han, Daniel J. Martenak, Dennis E. Walsh | 1996-08-06 |
| 5516954 | Process for preparing long chain alkylaromatic compounds | Clarence D. Chang, Scott Han, Margaret M. Wu, Yusheng Xiong | 1996-05-14 |
| 5510309 | Method for preparing a modified solid oxide | Clarence D. Chang, Charles T. Kresge, James C. Vartuli | 1996-04-23 |