Vaughn; Stephen N.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Vaughn; Stephen N..The latest application filed is for "synthesis of chabazite-containing molecular sieves and their use in the conversion of oxygenates to olefins".

Company Profile

0.76.65

Vaughn; Stephen N. - Kingwood TX

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Patent Activity

Patent	Date
Methods for determining efficacy of metal oxide co-catalysts for oxygenates-to-olefins reactions Grant 8,415,519 - Vaughn , et al. April 9, 2	2013-04-09
Synthesis of chabazite-containing molecular sieves and their use in the conversion of oxygenates to olefins Grant 8,399,578 - Mertens , et al. March 19, 2	2013-03-19
Synthesis of Chabazite-Containing Molecular Sieves and Their Use in the Conversion of Oxygenates to Olefins App 20120316312 - Mertens; Machteld M. ; et al.	2012-12-13
Synthesis of chabazite-containing molecular sieves and their use in the conversion of oxygenates to olefins Grant 8,293,854 - Mertens , et al. October 23, 2	2012-10-23
Synthesis of chabazite-containing molecular sieves and their use in the conversion of oxygenates to olefins Grant 8,268,277 - Mertens , et al. September 18, 2	2012-09-18
Synthesis of Chabazite-Containing Molecular Sieves and Their Use in the Conversion of Oxygenates to Olefins App 20120202954 - Mertens; Machteld M. ; et al.	2012-08-09
Synthesis of chabazite-containing molecular sieves and their use in the conversion of oxygenates to olefins Grant 8,182,780 - Mertens , et al. May 22, 2	2012-05-22
Method and apparatus for regenerating catalyst during oxygenates to olefins reaction Grant 8,178,741 - Cao , et al. May 15, 2	2012-05-15
System and method for reducing decomposition byproducts in a methanol to olefin reactor system Grant 8,080,700 - Vaughn , et al. December 20, 2	2011-12-20
Oxygenate to olefins process involving supercritcal conditions Grant 7,977,521 - Martens , et al. July 12, 2	2011-07-12
Method of making and process for using molecular sieve catalyst Grant 7,947,621 - Chang , et al. May 24, 2	2011-05-24
Method And Apparatus For Regenerating Catalyst During Oxygenates To Olefins Reaction App 20110021857 - Cao; Chunshe J. ; et al.	2011-01-27
Method for converting an oxygenate feed to a light olefin Grant 7,781,633 - Vaughn , et al. August 24, 2	2010-08-24
Method of formulating a molecular sieve catalyst composition by controlling component addition Grant 7,772,337 - Chang , et al. August 10, 2	2010-08-10
Method of high pressure and high capacity oxygenate conversion with catalyst exposure cycle Grant 7,763,765 - Kuechler , et al. July 27, 2	2010-07-27
System And Method For Reducing Decomposition Byproducts In A Methanol To Olefin Reactor System App 20100152513 - Vaughn; Stephen N. ; et al.	2010-06-17
Methods For Determining Efficacy Of Metal Oxide Co-Catalysts For Oxygenates-To-Olefins Reactions App 20100152514 - Vaughn; Stephen N. ; et al.	2010-06-17
Methods addressing aging in flocculated molecular sieve catalysts for hydrocarbon conversion processes Grant 7,732,537 - Chang , et al. June 8, 2	2010-06-08
Method Of Preparing And Using A Molecular Sieve App 20100087610 - Vaughn; Stephen N. ; et al.	2010-04-08
Stabilizing catalyst activity during catalyst regeneration Grant 7,687,675 - Xu , et al. March 30, 2	2010-03-30
Synthesis Of Chabazite-Containing Molecular Sieves And Their Use In The Conversion Of Oxygenates To Olefins App 20100022729 - MERTENS; MACHTELD M. ; et al.	2010-01-28
Synthesis Of Chabazite-Containing Molecular Sieves And Their Use In The Conversion Of Oxygenates To Olefins App 20100022722 - Mertens; Machteld M. ; et al.	2010-01-28
Methods Addressing Aging In Flocculated Molecular Sieve Catalysts For Hydrocarbon Conversion Processes App 20090192276 - Chang; Yun-Feng ; et al.	2009-07-30
Molecular sieve catalyst composition, its making and use in conversion processes Grant 7,557,256 - Chang , et al. July 7, 2	2009-07-07
Molecular sieve catalyst composition, its making and use in conversion processes Grant 7,541,508 - Vaughn , et al. June 2, 2	2009-06-02
Catalyst and process for the conversion of oxygenates to olefins Grant 7,518,026 - Mertens , et al. April 14, 2	2009-04-14
Molecular sieve catalyst composition, its making and use in conversion processes Grant 7,511,184 - Chang , et al. March 31, 2	2009-03-31
Method Of Formulating A Molecular Sieve Catalyst Composition By Controlling Component Addition App 20090082545 - Chang; Yun-feng ; et al.	2009-03-26
Molecular sieve catalyst composition, its making and use in conversion processes Grant 7,501,375 - Chang , et al. March 10, 2	2009-03-10
Oxygenate To Olefins Process Involving Supercritcal Conditions App 20090018378 - Martens; Luc R. M. ; et al.	2009-01-15
Conversion process Grant 7,453,019 - Janssen , et al. November 18, 2	2008-11-18
Molecular sieve catalyst composition, its making and use in conversion processes App 20080269436 - Vaughn; Stephen N. ; et al.	2008-10-30
Catalyst testing apparatus and process Grant 7,435,598 - Vaughn , et al. October 14, 2	2008-10-14
Molecular sieve compositions, catalyst thereof, their making and use in conversion processes Grant 7,411,106 - Xu , et al. August 12, 2	2008-08-12
Conversion process Grant 7,402,718 - Janssen , et al. July 22, 2	2008-07-22
Attrition resistant molecular sieve catalysts Grant 7,384,887 - Chang , et al. June 10, 2	2008-06-10
Method of making molecular sieve catalyst Grant 7,358,412 - Chang , et al. April 15, 2	2008-04-15
Protecting catalytic activity of a SAPO molecular sieve Grant 7,345,213 - Janssen , et al. March 18, 2	2008-03-18
Method and system for reducing decomposition byproducts in a methanol to olefin reactor system Grant 7,338,645 - Jones , et al. March 4, 2	2008-03-04
Attrition resistant molecular sieve catalyst, method of making and process for using Grant 7,312,369 - Chang , et al. December 25, 2	2007-12-25
Molecular-sieve catalyst composition, its making and use in conversion processes Grant 7,301,065 - Vaughn , et al. November 27, 2	2007-11-27
Molecular sieve catalyst composition, its making and use in conversion processes App 20070260100 - Cheng; Yun-Feng ; et al.	2007-11-08
Method for converting an oxygenate feed to a light olefin App 20070260096 - Vaughn; Stephen N. ; et al.	2007-11-08
Molecular sieve catalyst composition, its making and use in conversion processes App 20070249885 - Chang; Yun-Feng ; et al.	2007-10-25
Conversion Process App 20070244350 - Janssen; Marcel J.G. ; et al.	2007-10-18
Conversion process App 20070235372 - Janssen; Marcel J.G. ; et al.	2007-10-11
Molecular sieve catalyst composition, its making and use in conversion processes App 20070238911 - Chang; Yun-feng ; et al.	2007-10-11
Method of high pressure and high capacity oxygenate conversion with catalyst exposure cycle App 20070232844 - Kuechler; Keith H. ; et al.	2007-10-04
Molecular sieve catalyst composition, its production and use in conversion processes Grant 7,273,827 - Chang , et al. September 25, 2	2007-09-25
Molecular sieve catalyst composition, its making and use in conversion process Grant 7,271,123 - Chang , et al. September 18, 2	2007-09-18
Method of making and process for using molecular sieve catalyst App 20070203385 - Chang; Yun-feng ; et al.	2007-08-30
Conversion process Grant 7,247,764 - Janssen , et al. July 24, 2	2007-07-24
Molecular sieve compositions, catalyst thereof, their making and use in conversion processes App 20070161840 - Xu; Teng ; et al.	2007-07-12
Molecular sieve catalyst composition, its making and use in conversion processes Grant 7,241,713 - Chang , et al. July 10, 2	2007-07-10
Conversion process Grant 7,238,846 - Janssen , et al. July 3, 2	2007-07-03
Molecular sieve catalyst compositions, its making and use in conversion processes Grant 7,214,844 - Chang , et al. May 8, 2	2007-05-08
Molecular sieve compositions, catalyst thereof, their making and use in conversion processes Grant 7,208,442 - Xu , et al. April 24, 2	2007-04-24
Molecular sieve catalyst composition, its making and use in conversion processes Grant 7,160,831 - Vaughn , et al. January 9, 2	2007-01-09
Hydrocarbon conversion processes using non-zeolitic molecular sieve catalysts Grant 7,151,199 - Martens , et al. December 19, 2	2006-12-19
Molecular sieve catalyst composition, its making and use in conversion processes Grant 7,122,500 - Chang , et al. October 17, 2	2006-10-17
Method and apparatus for controlling effluent composition in oxygenates to olefins conversion Grant 7,115,791 - Kabin , et al. October 3, 2	2006-10-03
Stabilizing catalyst activity during catalyst regeneration App 20060217582 - Xu; Teng ; et al.	2006-09-28
Attrition resistant molecular sieve catalysts App 20060205587 - Chang; Yun-Feng ; et al.	2006-09-14
Treatment of molecular sieves with silicon containing compounds Grant 7,102,051 - Vaughn , et al. September 5, 2	2006-09-05
Attrition resistant molecular sieve catalysts Grant 7,071,136 - Chang , et al. July 4, 2	2006-07-04
Method and apparatus for reducing decomposition byproducts in a methanol to olefin reactor system App 20060129011 - Clem; Kenneth Ray ; et al.	2006-06-15
Molecular sieve catalyst composition, its production and use in conversion processes App 20060105904 - Chang; Yun-Feng ; et al.	2006-05-18
Method and apparatus for reducing decomposition byproducts in a methanol to olefin reactor system Grant 7,034,196 - Clem , et al. April 25, 2	2006-04-25
Molecular sieve catalyst composition, its production and use in conversion processes Grant 7,026,267 - Chang , et al. April 11, 2	2006-04-11
Catalyst and process for the conversion of oxygenates to olefins App 20060074266 - Mertens; Machteld M. ; et al.	2006-04-06
Heat treating a molecular sieve and catalyst Grant 6,979,756 - Fung , et al. December 27, 2	2005-12-27
Attrition resistant molecular sieve catalyst, method of making and process for using App 20050245780 - Chang, Yun-Feng ; et al.	2005-11-03
Molecular sieve catalyst compositions, its making and use in conversion processes App 20050137080 - Chang, Yun-feng ; et al.	2005-06-23
Catalyst testing apparatus and process App 20050101022 - Vaughn, Stephen N. ; et al.	2005-05-12
Molecular sieve catalyst composition, its making and use in conversion processes App 20050075525 - Chang, Yun-Feng ; et al.	2005-04-07
Molecular sieve catalyst composition, its making and use in conversion processes Grant 6,872,680 - Chang , et al. March 29, 2	2005-03-29
Molecular sieve catalyst composition, its making and use in conversion processes App 20050065021 - Chang, Yun-Feng ; et al.	2005-03-24
Process to control conversion of C4+ and heavier stream to lighter products in oxygenate conversion reactions Grant 6,844,476 - Vaughn , et al. January 18, 2	2005-01-18
Treatment of molecular sieves with silicon containing compounds Grant 6,841,510 - Vaughn , et al. January 11, 2	2005-01-11
Treatment of molecular sieves with silicon containing compounds App 20050003957 - Vaughn, Stephen N. ; et al.	2005-01-06
Molecular-sieve catalyst composition, its making and use in conversion processes App 20040266611 - Vaughn, Stephen N. ; et al.	2004-12-30
Attrition resistant molecular sieve catalysts App 20040235649 - Chang, Yun-Feng ; et al.	2004-11-25
Protecting catalytic activity of a SAPO molecular sieve Grant 6,797,852 - Janssen , et al. September 28, 2	2004-09-28
Molecular sieve catalyst composition, its making and use in conversion processes Grant 6,787,501 - Vaughn , et al. September 7, 2	2004-09-07
Method of making molecular sieve catalyst App 20040167012 - Chang, Yun-Feng ; et al.	2004-08-26
Method and system for reducing decomposition byproducts in a methanol to olefin reactor system App 20040152935 - Jones, Jeffrey P. ; et al.	2004-08-05
Catalytic production of olefins at high methanol partial pressures Grant 6,768,034 - Fung , et al. July 27, 2	2004-07-27
Molecular sieve catalyst composition, its production and use in conversion processes App 20040121902 - Chang, Yun-Feng ; et al.	2004-06-24
Method and apparatus for controlling effluent composition in oxygenates to olefins conversion App 20040122273 - Kabin, Jeffrey Alan ; et al.	2004-06-24
Making an olefin product from an oxygenate Grant 6,740,790 - Kuechler , et al. May 25, 2	2004-05-25
Method and system for reducing decomposition byproducts in a methanol to olefin reactor system Grant 6,737,556 - Jones , et al. May 18, 2	2004-05-18
Method And System For Reducing Decomposition Byproducts In A Methanol To Olefin Reactor System App 20040077912 - Jones, Jeffrey P. ; et al.	2004-04-22
Method for converting oxygenates to olefins Grant 6,717,023 - Lattner , et al. April 6, 2	2004-04-06
Method of making molecular sieve catalyst Grant 6,710,008 - Chang , et al. March 23, 2	2004-03-23
Stripping hydrocarbon in an oxygenate conversion process App 20040034178 - Vaughn, Stephen N. ; et al.	2004-02-19
Conversion process App 20040034265 - Janssen, Marcel J.G. ; et al.	2004-02-19
Protecting catalytic activity of a SAPO molecular sieve App 20040015030 - Janssen, Marcel J.G. ; et al.	2004-01-22
Process for making olefins Grant 6,673,978 - January 6, 2	2004-01-06
Method and apparatus for reducing decomposition byproducts in a methanol to olefin reactor system App 20030236441 - Clem, Kenneth Ray ; et al.	2003-12-25
Method for isomerizing a mixed olefin feedstock to 1-olefin App 20030233018 - Brown, Stephen H. ; et al.	2003-12-18
Inhibiting catalyst coke formation in the manufacture of an olefin Grant 6,657,022 - Williams , et al. December 2, 2	2003-12-02
Molecular sieve catalyst composition, its making and use in conversion processes App 20030187312 - Chang, Yun-Feng ; et al.	2003-10-02
Molecular sieve catalyst composition, its making and use in conversion process App 20030181322 - Chang, Yun-Feng ; et al.	2003-09-25
Molecular sieve compositions, catalyst thereof, their making and use in conversion processes App 20030171633 - Xu, Teng ; et al.	2003-09-11
Stripping hydrocarbon in an oxygenate conversion process Grant 6,613,950 - Vaughn , et al. September 2, 2	2003-09-02
Synthesis of molecular sieve catalysts Grant 6,605,749 - Vaughn , et al. August 12, 2	2003-08-12
Method for converting oxygenates to olefins App 20030135078 - Lattner, James R. ; et al.	2003-07-17
Method of making molecular sieve catalyst App 20030135079 - Chang, Yun-Feng ; et al.	2003-07-17
Catalytic production of olefins at high methanol partial pressures App 20030109765 - Fung, Shun C. ; et al.	2003-06-12
Synthesis Of Molecular Sieve Catalysts App 20030109764 - Vaughn, Stephen N. ; et al.	2003-06-12
Inhibiting catalyst coke formation in the manufacture of an olefin App 20030055183 - Williams, Bryce A. ; et al.	2003-03-20
Heat treating a molecular sieve and catalyst App 20030055304 - Fung, Shun C. ; et al.	2003-03-20
Catalytic production of olefins at high methanol partial pressures Grant 6,531,639 - Fung , et al. March 11, 2	2003-03-11
Preparation of molecular sieve catalysts micro-filtration Grant 6,521,562 - Clem , et al. February 18, 2	2003-02-18
Hydrocarbon conversion processes using non-zeolitic molecular sieve catalysts App 20030032848 - Martens, Luc Roger Marc ; et al.	2003-02-13
Treatment of molecular sieves with silicon containing compounds App 20030027712 - Vaughn, Stephen N. ; et al.	2003-02-06
Molecular sieve catalyst composition, its making and use in conversion processes App 20030018229 - Vaughn, Stephen N. ; et al.	2003-01-23
Molecular sieve catalyst composition, its making and use in conversion processes App 20030018228 - Vaughn, Stephen N. ; et al.	2003-01-23
Catalyst composition including attrition particles and method for making same Grant 6,509,290 - Vaughn , et al. January 21, 2	2003-01-21
Process to control conversion of C4+ and heavier stream to lighter products in oxygenate conversion reactions App 20030009069 - Vaughn, Stephen N. ; et al.	2003-01-09
Heat treating a molecular sieve and catalyst Grant 6,503,863 - Fung , et al. January 7, 2	2003-01-07
Process for making olefins App 20030004384 - Coute, Nicolas P. ; et al.	2003-01-02
Protecting catalytic activity of a SAPO molecular sieve App 20020198427 - Janssen, Marcel J.G. ; et al.	2002-12-26
Method for improving light olefin selectivity in an oxygenate conversion reaction Grant 6,482,999 - Fung , et al. November 19, 2	2002-11-19
Protecting catalytic activity of a SAPO molecular sieve Grant 6,455,748 - Janssen , et al. September 24, 2	2002-09-24
Maintaining acid catalyst sites in SAPO molecular sieves Grant 6,448,460 - Janssen , et al. September 10, 2	2002-09-10
Process to control conversion of C4+ and heavier stream to lighter products in oxygenate conversion reactions Grant 6,444,868 - Vaughn , et al. September 3, 2	2002-09-03
High pressure oxygenate conversion process via diluent co-feed Grant 6,441,261 - Kuechler , et al. August 27, 2	2002-08-27
Making an olefin product from an oxygenate Grant 6,437,208 - Kuechler , et al. August 20, 2	2002-08-20
Heat treating a molecular sieve and catalyst Grant 6,395,674 - Fung , et al. May 28, 2	2002-05-28
Heat treating a molecular sieve and catalyst App 20020055433 - Fung, Shun C. ; et al.	2002-05-09
Synthesis of molecular sieve catalysts App 20020016522 - Vaughn, Stephen N. ; et al.	2002-02-07
Oxygenate Conversion Reactions App 20020013505 - FUNG, SHUN C. ; et al.	2002-01-31
Protecting catalytic activity of a SAPO molecular sieve Grant 6,316,683 - Janssen , et al. November 13, 2	2001-11-13
Protecting catalytic activity of a SAPO molecular sieve App 20010020119 - Janssen, Marcel J.G. ; et al.	2001-09-06
Maintaining acid catalyst sites in SAPO molecular sieves App 20010018398 - Janssen, Marcel J.G. ; et al.	2001-08-30
Efficient method using liquid water to regenerate oxygenate to olefin catalysts while increasing catalyst specificity to light olefins Grant 6,245,703 - Kuechler , et al. June 12, 2	2001-06-12
Maintaining acid catalyst sites in sapo molecular sieves Grant 6,225,254 - Janssen , et al. May 1, 2	2001-05-01
Process for selectively separating hydrogen, or both hydrogen and carbon monoxide from olefinic hydrocarbons Grant 6,069,288 - Ou , et al. May 30, 2	2000-05-30