Ou; John Di-Yi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ou; John Di-Yi.The latest application filed is for "paraxylene separation process".
Company Profile
2.46.49
- Ou; John Di-Yi - Houston TX
Patent Activity
| Patent | Date |
|---|---|
| Removal of bromine index-reactive compounds Grant 10,988,421 - Ou , et al. April 27, 2 | 2021-04-27 |
| Paraxylene Separation Process App 20170297976 - Ou; John Di-Yi ; et al. | 2017-10-19 |
| Energy efficient processes for xylenes production Grant 9,719,033 - Ou , et al. August 1, 2 | 2017-08-01 |
| Energy Efficient Processes for Xylenes Production App 20170001923 - Ou; John Di-Yi ; et al. | 2017-01-05 |
| Paraxylene production process and apparatus Grant 9,457,292 - Ou October 4, 2 | 2016-10-04 |
| Phenol removal in paraxylene recovery process Grant 9,434,661 - Ou , et al. September 6, 2 | 2016-09-06 |
| Selective hydrogenation of styrene to ethylbenzene Grant 9,353,024 - Chen , et al. May 31, 2 | 2016-05-31 |
| Process for the production of purified xylene isomers Grant 9,309,169 - Ou , et al. April 12, 2 | 2016-04-12 |
| Xylene isomerization process and catalyst therefor Grant 9,266,794 - Ou , et al. February 23, 2 | 2016-02-23 |
| Xylene Isomerization Process and Catalyst Therefor App 20160039727 - Ou; John Di-Yi ; et al. | 2016-02-11 |
| Phenol removal in paraxylene recovery process Grant 9,205,401 - Ou , et al. December 8, 2 | 2015-12-08 |
| Xylene isomerization process and catalyst therefor Grant 9,193,645 - Ou , et al. November 24, 2 | 2015-11-24 |
| Phenol Removal In Paraxylene Recovery Process App 20150314261 - Ou; John Di-Yi ; et al. | 2015-11-05 |
| Phenol Removal in Paraxylene Recovery Process App 20150299070 - Ou; John Di-Yi ; et al. | 2015-10-22 |
| Styrene removal in paraxylene recovery process Grant 9,156,749 - Heeter , et al. October 13, 2 | 2015-10-13 |
| Purge Streams in Paraxylene Production App 20150251973 - Tinger; Robert G. ; et al. | 2015-09-10 |
| Removal of Bromine Index-Reactive Compounds App 20150158794 - Ou; John Di-Yi ; et al. | 2015-06-11 |
| Phenol removal in paraxylene recovery process Grant 9,012,711 - Ou , et al. April 21, 2 | 2015-04-21 |
| Alkylation process Grant 9,006,506 - Zheng , et al. April 14, 2 | 2015-04-14 |
| Process and Apparatus for the Production of Paraxylene App 20150051430 - Ou; John Di-Yi ; et al. | 2015-02-19 |
| Selective Hydrogenation of Styrene to Ethylbenzene App 20140221710 - Chen; Tan-Jen ; et al. | 2014-08-07 |
| Process for the Production of Purified Xylene Isomers App 20140155667 - Ou; John Di-Yi ; et al. | 2014-06-05 |
| Paraxylene production process and apparatus Grant 8,716,541 - Ou May 6, 2 | 2014-05-06 |
| Xylene isomerization process and catalyst therefor Grant 8,697,929 - Ou , et al. April 15, 2 | 2014-04-15 |
| Process for producing para-xylene Grant 8,692,044 - Ou , et al. April 8, 2 | 2014-04-08 |
| Xylene Isomerization Process and Catalyst Therefor App 20140066675 - Ou; John Di-Yi ; et al. | 2014-03-06 |
| Paraxylene Production Process And Apparatus App 20140031600 - Ou; John Di-Yi | 2014-01-30 |
| Paraxylene Production Process And Apparatus App 20140023563 - Ou; John Di-Yi | 2014-01-23 |
| Process for Producing Para-Xylene App 20130345481 - Ou; John Di-Yi ; et al. | 2013-12-26 |
| Phenol Removal in Paraxylene Recovery Process App 20130324780 - Ou; John Di-Yi ; et al. | 2013-12-05 |
| Styrene Removal in Paraxylene Recovery Process App 20130324779 - Heeter; Glenn A. ; et al. | 2013-12-05 |
| Paraxylene production process and apparatus Grant 8,569,559 - Ou October 29, 2 | 2013-10-29 |
| Alkylation Process App 20130253245 - Zheng; Xiaobo ; et al. | 2013-09-26 |
| Process for producing para-xylene Grant 8,541,639 - Ou , et al. September 24, 2 | 2013-09-24 |
| Alkylation of Benzene and/or Toluene with Methanol App 20130217940 - Zheng; Xiaobo ; et al. | 2013-08-22 |
| Process for Producing Para-Xylene App 20130144101 - Ou; John Di-Yi ; et al. | 2013-06-06 |
| Production of para-xylene by the methylation of benzene and/or toluene Grant 8,344,197 - Lattner , et al. January 1, 2 | 2013-01-01 |
| Process for Producing Para-Xylene App 20120330075 - Ou; John Di-Yi ; et al. | 2012-12-27 |
| Process for producing para-xylene Grant 8,273,934 - Ou , et al. September 25, 2 | 2012-09-25 |
| Process for the Production of Paraxylene App 20120108868 - Pilliod; Dana Lynn ; et al. | 2012-05-03 |
| Process for the Production of Purified Xylene Isomers App 20120108867 - Pilliod; Dana Lynn ; et al. | 2012-05-03 |
| Paraxylene Production Process and Apparatus App 20110319688 - Ou; John Di-Yi | 2011-12-29 |
| Xylene Isomerization Process and Catalyst Therefor App 20110263918 - Ou; John Di-Yi ; et al. | 2011-10-27 |
| Production of Para-Xylene by the Methylation of Benzene and/or Toluene App 20110092755 - Lattner; James R. ; et al. | 2011-04-21 |
| Hydrogen management in petrochemical process units Grant 7,892,323 - Stern , et al. February 22, 2 | 2011-02-22 |
| Production of an upgraded stream from steam cracker tar by ultrafiltration Grant 7,867,379 - Leta , et al. January 11, 2 | 2011-01-11 |
| Process for Producing Para-Xylene App 20100152508 - Ou; John Di-Yi ; et al. | 2010-06-17 |
| Catalytic conversion of oxygenates to olefins Grant 7,700,816 - Xu , et al. April 20, 2 | 2010-04-20 |
| Process for producing para-xylene Grant 7,683,233 - Ou , et al. March 23, 2 | 2010-03-23 |
| Process for producing para-xylene Grant 7,626,065 - Ou , et al. December 1, 2 | 2009-12-01 |
| Management of Hydrogen in Hydorgen-Containing Streams from Hydrogen Sources App 20090071332 - Kaul; Bal K. ; et al. | 2009-03-19 |
| Production of an upgraded stream from steam cracker tar by ultrafiltration App 20090057200 - Leta; Daniel P. ; et al. | 2009-03-05 |
| Hydrogen Management in Petrochemical Process Units App 20090007782 - Stern; David L. ; et al. | 2009-01-08 |
| Process for Producing Para-Xylene App 20080306318 - Ou; John Di-Yi ; et al. | 2008-12-11 |
| Process for producing para-xylene Grant 7,439,412 - Ou , et al. October 21, 2 | 2008-10-21 |
| Process for producing para-xylene App 20080071126 - Ou; John Di-Yi ; et al. | 2008-03-20 |
| Removal of oxygenate from an olefin stream Grant 7,326,821 - Risch , et al. February 5, 2 | 2008-02-05 |
| Process for producing para-xylene App 20070249882 - Ou; John Di-Yi ; et al. | 2007-10-25 |
| Process for producing para-xylene Grant 7,270,792 - Deckman , et al. September 18, 2 | 2007-09-18 |
| Butadiene and isobutylene removal from olefinic streams Grant 7,227,047 - Risch , et al. June 5, 2 | 2007-06-05 |
| Selective hydrogenation of alkynes and/or diolefins Grant 7,199,273 - Molinier , et al. April 3, 2 | 2007-04-03 |
| Catalytic conversion of oxygenates to olefins App 20070043250 - Xu; Teng ; et al. | 2007-02-22 |
| Catalysts for selective hydrogenation of alkynes and alkadienes Grant 7,153,807 - Molinier , et al. December 26, 2 | 2006-12-26 |
| Combined oxydehydrogenation and cracking catalyst for production of olefins Grant 7,145,051 - Ou , et al. December 5, 2 | 2006-12-05 |
| Combined cracking and selective hydrogen combustion for catalytic cracking Grant 7,122,495 - Ou , et al. October 17, 2 | 2006-10-17 |
| Treatment of molecular sieves with silicon containing compounds Grant 7,102,051 - Vaughn , et al. September 5, 2 | 2006-09-05 |
| Oxygenate conversion in the presence of highly unsaturated compounds Grant 7,087,794 - Risch , et al. August 8, 2 | 2006-08-08 |
| Dual bed process using two different catalysts for selective hydrogenation of acetylene and dienes Grant 7,038,097 - Molinier , et al. May 2, 2 | 2006-05-02 |
| Process for removing oxygenates from an olefinic stream Grant 6,987,208 - Risch , et al. January 17, 2 | 2006-01-17 |
| Process for producing para-xylene App 20050165265 - Deckman, Harry W. ; et al. | 2005-07-28 |
| Selective hydrogenation of alkynes and/or diolefins App 20050113613 - Molinier, Michel ; et al. | 2005-05-26 |
| Process for producing para-xylene Grant 6,878,855 - Deckman , et al. April 12, 2 | 2005-04-12 |
| Butadiene and isobutylene removal from olefinic streams App 20050043575 - Risch, Michael A. ; et al. | 2005-02-24 |
| 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 |
| Dual bed process using two different catalysts for selective hydrogenation of acetylene and dienes App 20040176652 - Molinier, Michel ; et al. | 2004-09-09 |
| Catalysts for selective hydrogenation of alkynes and alkadienes App 20040176651 - Molinier, Michel ; et al. | 2004-09-09 |
| Process for removing oxygenates from an olefinic stream App 20040152938 - Risch, Michael A. ; et al. | 2004-08-05 |
| Combined cracking and selective hydrogen combustion for catalytic cracking App 20040152586 - Ou, John Di-Yi ; et al. | 2004-08-05 |
| Oxygenate conversion in the presence of highly unsaturated compounds App 20040097760 - Risch, Michael A. ; et al. | 2004-05-20 |
| Process for removing oxygenates from an olefinic stream Grant 6,717,025 - Risch , et al. April 6, 2 | 2004-04-06 |
| Combined oxydehydrogenation and cracking catalyst for production of olefins App 20030181325 - Ou, John Di-Yi ; et al. | 2003-09-25 |
| Treatment of molecular sieves with silicon containing compounds App 20030027712 - Vaughn, Stephen N. ; et al. | 2003-02-06 |
| Process for improving purity of para-xylene product Grant 6,489,527 - Ou , et al. December 3, 2 | 2002-12-03 |
| Process for production of paraxylene App 20020082462 - Ferraro, John Michael ; et al. | 2002-06-27 |
| Process for producing para-xylene App 20020065444 - Deckman, Harry W. ; et al. | 2002-05-30 |
| Process for production of paraxylene Grant 6,376,733 - Ferraro , et al. April 23, 2 | 2002-04-23 |
| Supported Lewis acid catalysts derived from superacids useful for hydrocarbon conversion reactions Grant 6,060,633 - Chen , et al. May 9, 2 | 2000-05-09 |
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