Issued Patents All Time
Showing 51–74 of 74 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6787501 | Molecular sieve catalyst composition, its making and use in conversion processes | Stephen N. Vaughn, Yun-Feng Chang, Kenneth R. Clem, Machteld M. Mertens, Albert E. Schweizer | 2004-09-07 |
| 6770791 | Production of olefin dimers and oligomers | Georges Marie Karel Mathys, John Stephen Godsmark, Marcel Janssen, Hubertus Joseph Beckers, Eddy Van Driessche +2 more | 2004-08-03 |
| 6656345 | Hydrocarbon conversion to propylene with high silica medium pore zeolite catalysts | Tan-Jen Chen, Mechilium (Marcel) Johannes Gerardus Janssen, Machteld M. Mertens, Philip A. Ruziska, Lynn L. Zhao +1 more | 2003-12-02 |
| 6652737 | Production of naphtha and light olefins | Michele S. Touvelle, Darryl P. Klein, Tan-Jen Chen, Edward S. Ellis | 2003-11-25 |
| 6613950 | Stripping hydrocarbon in an oxygenate conversion process | Stephen N. Vaughn, Shun C. Fung, David C. Skouby | 2003-09-02 |
| 6605749 | Synthesis of molecular sieve catalysts | Stephen N. Vaughn, Keith H. Kuechler, Albert E. Schweizer | 2003-08-12 |
| 6509290 | Catalyst composition including attrition particles and method for making same | Stephen N. Vaughn, Keith H. Kuechler, Albert E. Schweizer | 2003-01-21 |
| 6455748 | Protecting catalytic activity of a SAPO molecular sieve | Marcel Janssen, Cornelius W. M. Van Oorschot, Shun C. Fung, Wilfried J. Mortier, Ronald G. Searle +2 more | 2002-09-24 |
| 6429348 | Method for selectively producing propylene by catalytically cracking an olefinic hydrocarbon feedstock | Tan-Jen Chen, S. Mark Davis, Marcel Janssen, Philip A. Ruziska | 2002-08-06 |
| 6395674 | Heat treating a molecular sieve and catalyst | Shun C. Fung, Marcel Janssen, Stephen N. Vaughn, Machteld M. Mertens, Albert E. Schweizer +4 more | 2002-05-28 |
| 6316683 | Protecting catalytic activity of a SAPO molecular sieve | Marcel Janssen, Cornelius W. M. Van Oorschot, Shun C. Fung, Wilfried J. Mortier, Ronald G. Searle +2 more | 2001-11-13 |
| 6300536 | Catalyst having a zeolitic core and zeolitic layer and the use of the catalyst for olefin oligomerization | Wim Verrelst, Johannes Petrus Verduijn | 2001-10-09 |
| 6143942 | Oligomerization and catalysts therefor | Wim Verrelst | 2000-11-07 |
| 6080303 | Zeolite catalyst activity enhancement by aluminum phosphate and phosphorus | Guang Cao, Jeffrey L. White, Tan-Jen Chen, Matu J. Shah | 2000-06-27 |
| 6033555 | Sequential catalytic and thermal cracking for enhanced ethylene yield | Tan-Jen Chen | 2000-03-07 |
| 6013851 | Catalyst having a core and surface layer and use of same in olefin oligomerization | Wim Verrelst, Johannes Petrus Verduijn | 2000-01-11 |
| 5874661 | Hydrocarbon treatment | Wim Verrelst, Georges Marie Karel Mathys | 1999-02-23 |
| 5866096 | ZSM-22 zeolite | Johannes Petrus Verduijn | 1999-02-02 |
| 5783321 | ZSM-5 zeolite | Johannes Petrus Verduijn, Johan Martens | 1998-07-21 |
| 5783168 | ZSM-22 zeolite | Johannes Petrus Verduijn | 1998-07-21 |
| 5739076 | Catalysts and their use in oxidation of saturated hydrocarbons | Diane Renata Cornelia Huybrechts, Philip Buskens, Georges Marie Karel Mathys | 1998-04-14 |
| 5683673 | Process for the manufacture of a zeolite | Philip Buskens, Georges Marie Karel Mathys | 1997-11-04 |
| 5672800 | Alkene oligomerization | Georges Marie Karel Mathys, Marleen Augusta Baes, Johannes Petrus Verduijn, Diane Renata Cornelia Huybrechts | 1997-09-30 |
| 5406002 | Zeolite catalyst and catalysed reactions | Georges Marie Karel Mathys | 1995-04-11 |