| 7102051 |
Treatment of molecular sieves with silicon containing compounds |
Stephen N. Vaughn, John Di-Yi Ou, Jar-Lin Kao |
2006-09-05 |
$229,454,000 |
| 6841510 |
Treatment of molecular sieves with silicon containing compounds |
Stephen N. Vaughn, John Di-Yi Ou, Jar-Lin Kao |
2005-01-11 |
$1,113,031,000 |
| 6717023 |
Method for converting oxygenates to olefins |
James R. Lattner, Stephen N. Vaughn, Keith H. Kuechler, David C. Skouby |
2004-04-06 |
$130,655,000 |
| 6552240 |
Method for converting oxygenates to olefins |
James R. Lattner, Stephen N. Vaughn, Keith H. Kuechler, David C. Skouby |
2003-04-22 |
$391,740,000 |
| 6482999 |
Method for improving light olefin selectivity in an oxygenate conversion reaction |
Shun C. Fung, James R. Lattner, Stephen N. Vaughn, Richard B. Hall, Ron G. Searle +1 more |
2002-11-19 |
$289,626,000 |
| 6455747 |
Method for converting oxygenates to olefins |
James R. Lattner, Stephen N. Vaughn, Keith H. Kuechler, David C. Skouby |
2002-09-24 |
$115,168,000 |
| 6448460 |
Maintaining acid catalyst sites in SAPO molecular sieves |
Marcel Janssen, Machteld M. Mertens, Cornelius W. M. Van Oorschot, Stephen N. Vaughn, David Lumgair |
2002-09-10 |
$160,079,000 |
| 6225254 |
Maintaining acid catalyst sites in sapo molecular sieves |
Marcel Janssen, Machteld M. Mertens, Cornelius W. M. Van Oorschot, Stephen N. Vaughn, David Lumgair |
2001-05-01 |
$315,948,000 |
| 6187983 |
Converting oxygenates to olefins in the presence of electromagnetic energy |
— |
2001-02-13 |
$400,833,000 |
| 6137022 |
Process for increasing the selectivity of a reaction to convert oxygenates to olefins |
Keith H. Kuechler, William L. Kuechler, Sr. |
2000-10-24 |
$492,465,000 |
| 6057261 |
One step conversion of methanol to hydrogen and carbon dioxide |
— |
2000-05-02 |
$2,464,115,000 |
| 6051746 |
Oxygenate conversions using modified small pore molecular sieve catalysts |
Stephen N. Vaughn, Robert Scott Smith |
2000-04-18 |
$457,503,000 |
| 6046373 |
Catalytic conversion of oxygenates to olefins |
— |
2000-04-04 |
$1,162,601,000 |
| 6040264 |
Use of alkaline earth metal containing small pore non-zeolitic molecular sieve catalysts in oxygenate conversion |
Stephen N. Vaughn |
2000-03-21 |
$640,637,000 |
| 6023005 |
Process for converting oxygenates to olefins using molecular sieve catalysts comprising desirable carbonaceous deposits |
James R. Lattner, Stephen N. Vaughn, Keith H. Kuechler, David C. Skouby |
2000-02-08 |
$443,480,000 |
| 6005155 |
Modification of molecular sieve catalyst for reduced methane production during conversion of oxygenates to olefins |
— |
1999-12-21 |
$323,252,000 |
| 6004898 |
Alkaline earth metal containing small pore non-zeolitic molecular sieve catalysts |
— |
1999-12-21 |
$323,252,000 |
| 5952538 |
Use of short contact time in oxygenate conversion |
Stephen N. Vaughn, David Lumgair |
1999-09-14 |
$169,719,000 |
| 5932512 |
Fluorination of synthesized molecular sieve catalysts for increased selectivity to ethylene during conversion of oxygenates to olefins |
— |
1999-08-03 |
$526,336,000 |
| 5925586 |
Phosphorus modified small pore molecular sieve catalysts, and their use in the production of light olefins |
— |
1999-07-20 |
$368,361,000 |
| 5925800 |
Conversion of oxygenates to hydrocarbons with monolith supported non-zeolitic molecular sieve catalysts |
Wenyih F. Lai |
1999-07-20 |
$368,361,000 |
| 5904880 |
One step conversion of methanol to hydrogen and carbon dioxide |
— |
1999-05-18 |
$279,315,000 |
| 5420239 |
Method for inhibiting popcorn polymer formation by heat |
Cynthia C. Ingram, John Jr. J. McManus |
1995-05-30 |
$75,215,000 |
| 5345030 |
Inhibiting popcorn polymer formation with sulfur-containing compounds |
John J. Cikut, Roque V. Martir, Jos Wristers |
1994-09-06 |
$136,282,000 |
| 5196619 |
Inhibiting popcorn polymer formation with sulfur-containing compounds |
John J. Cikut, Roque V. Martir, Jos Wristers |
1993-03-23 |
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