Li; Yuanqiang

Patent Applications and Registrations

Patent applications and USPTO patent grants for Li; Yuanqiang.The latest application filed is for "halogenated s-(perfluoroalkyl)dibenzothiophenium salt and its production methods".

Company Profile

0.23.20

Li; Yuanqiang - Taizhou CN
Li; Yuanqiang - Taizhou City CN
Li; Yuanqiang - Zhejiang CN
Li; Yuanqiang - Plainsboro NJ
Li; YuanQiang - Shanghai CN
Li; YuanQiang - Brantford CA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Halogenated S-(perfluoroalkyl)dibenzothiophenium salt and its production methods Grant 10,155,739 - Umemoto , et al. Dec	2018-12-18
Asymmetrical hydrogenation reaction of ketonic acid compound Grant 10,112,884 - Yan , et al. October 30, 2	2018-10-30
Ibrutinib intermediate compounds, preparation methods and uses thereof Grant 10,023,542 - Hua , et al. July 17, 2	2018-07-17
Preparation method for pyrrolidine-2-carboxylic acid derivatives Grant 9,902,693 - Zhang , et al. February 27, 2	2018-02-27
Process for the preparation of a fluorolacton derivative Grant 9,845,299 - Chen , et al. December 19, 2	2017-12-19
Halogenated S-(perfluoroalkyl)dibenzothiophenium salt and its production methods App 20170349567 - UMEMOTO; Teruo ; et al.	2017-12-07
Asymmetrical hydrogenation reaction of ketonic acid compound App 20170260119 - YAN; Pucha ; et al.	2017-09-14
Process For The Preparation Of A Fluorolaction Derivative App 20170183317 - Chen; Rongmin ; et al.	2017-06-29
Ibrutinib Intermediate Compounds, Preparation Methods And Uses Thereof App 20170137386 - HUA; Yunyu ; et al.	2017-05-18
Process for the preparation of a fluorolacton derivative Grant 9,624,183 - Chen , et al. April 18, 2	2017-04-18
Crizotinib preparation method Grant 9,604,966 - Li , et al. March 28, 2	2017-03-28
Silodosin intermediate and preparation method therefor Grant 9,394,251 - Zhang , et al. July 19, 2	2016-07-19
Preparation method for pyrrolidine-2-carboxylic acid derivatives App 20160145208 - ZHANG; Bin ; et al.	2016-05-26
Oxycarbonitride phosphors and light emitting devices using the same Grant 9,217,105 - Li , et al. December 22, 2	2015-12-22
Process For The Preparation Of A Fluorolacton Derivative App 20150315165 - Chen; Rongmin ; et al.	2015-11-05
Crizotinib Preparation Method App 20150307476 - LI; Yuanqiang ; et al.	2015-10-29
Silodosin Intermediate and Preparation Method Therefor App 20150148548 - Zhang; Bin ; et al.	2015-05-28
Carbidonitride phosphors and LED lighting devices using the same Grant 9,017,574 - Li , et al. April 28, 2	2015-04-28
Oxycarbonitride Phosphors And Light Emitting Devices Using The Same App 20140265820 - Li; Yuanqiang ; et al.	2014-09-18
Carbonitride and carbidonitride phosphors and lighting devices using the same Grant 8,801,969 - Thomas , et al. August 12, 2	2014-08-12
Oxycarbonitride phosphors and light emitting devices using the same Grant 8,771,547 - Li , et al. July 8, 2	2014-07-08
Oxycarbonitride Phosphors And Light Emitting Devices Using The Same App 20140159567 - Li; Yuanqiang ; et al.	2014-06-12
Oxycarbonitride phosphors and light emitting devices using the same Grant 8,551,361 - Li , et al. October 8, 2	2013-10-08
Silicon carbidonitride based phosphors and lighting devices using the same Grant 8,535,566 - Li , et al. September 17, 2	2013-09-17
Carbonitride based phosphors and light emitting devices using the same Grant 8,512,599 - Li , et al. August 20, 2	2013-08-20
Carbidonitride phosphors and LED lighting devices using the same App 20130207536 - Li; Yuanqiang ; et al.	2013-08-15
Carbonitride And Carbidonitride Phosphors And Lighting Devices Using The Same App 20120212122 - Thomas; Alan ; et al.	2012-08-23
Silicon Carbidonitride Based Phosphors And Lighting Devices Using The Same App 20120062105 - Li; Yuanqiang ; et al.	2012-03-15
Carbonitride Based Phosphors And Light Emitting Devices Using The Same App 20110279016 - Li; Yuanqiang ; et al.	2011-11-17
Oxycarbonitride Phosphors and Light Emitting Devices Using the Same App 20110279017 - Li; Yuanqiang ; et al.	2011-11-17
Efficient process for the preparation of cabergoline and its intermediates Grant 7,939,665 - Wang , et al. May 10, 2	2011-05-10
New and efficient process for the preperation of cabergoline and its intermediates App 20080275240 - Wang; Zhi-Xian ; et al.	2008-11-06
Process for the production of cilostazol App 20070105898 - Li; YuanQiang ; et al.	2007-05-10
Process for the preparation of Flecainide, its pharmaceutically acceptable salts and important intermediates thereof Grant 7,196,197 - Wang , et al. March 27, 2	2007-03-27
Novel process for the preparation of flecainide, its pharmaceutically acceptable salts and important intermediates thereof App 20050059825 - Wang, Zhi-Xian ; et al.	2005-03-17

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