loadpatents
name:-0.067517042160034
name:-0.033509969711304
name:-0.0017449855804443
Chewter; Leslie Andrew Patent Filings

Chewter; Leslie Andrew

Patent Applications and Registrations

Patent applications and USPTO patent grants for Chewter; Leslie Andrew.The latest application filed is for "process for the preparation of glycols".

Company Profile
1.49.86
  • Chewter; Leslie Andrew - Amsterdam NL
  • CHEWTER; Leslie Andrew - US
  • Chewter; Leslie Andrew - Amsterdan NL
  • Chewter; Leslie Andrew - HW Amsterdam NL
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
Process for the preparation of glycols
Grant 10,294,181 - Chewter , et al.
2019-05-21
Process For The Preparation Of Glycols
App 20180362425 - VAN DER HEIDE; Evert ;   et al.
2018-12-20
Process For The Preparation Of Glycols
App 20180362424 - CHEWTER; Leslie Andrew ;   et al.
2018-12-20
Process For Converting Oxygenates To Olefins
App 20160264490 - SANBORN; Richard Addison ;   et al.
2016-09-15
Process For Converting Oxygenates To Olefins
App 20160257625 - MARSMAN; Jeroen Gerard ;   et al.
2016-09-08
Process For Converting Oxygenates To Olefins
App 20160257626 - SANBORN; Richard Addison ;   et al.
2016-09-08
A Process For Converting Oxygenates To Olefins
App 20160251277 - SANBORN; Richard Addison ;   et al.
2016-09-01
Catalyst return apparatus and process for reacting a feedstock
Grant 9,340,469 - Chewter , et al. May 17, 2
2016-05-17
Integrated process for the preparation of an aromatic product
Grant 9,221,726 - Chewter , et al. December 29, 2
2015-12-29
Process For Preparing Ethylene And/or Propylene
App 20150336857 - CHEWTER; Leslie Andrew ;   et al.
2015-11-26
Process and reactor system for the preparation of an olefinic product
Grant 9,120,069 - Chewter , et al. September 1, 2
2015-09-01
Process for the preparation of an olefinic product, oxygenate conversion catalyst particles, and process for the manufacutre thereof
Grant 9,120,078 - Chewter , et al. September 1, 2
2015-09-01
Process for the preparation of olefins
Grant 9,115,039 - Chewter , et al. August 25, 2
2015-08-25
Process For Preparing Ethylene And/or Propylene
App 20150190773 - Chewter; Leslie Andrew ;   et al.
2015-07-09
Process for converting an alkyl tert-alkyl ether into an alkanol and an iso-alkane
Grant 9,067,860 - Chewter , et al. June 30, 2
2015-06-30
Process For The Preparation Of An Olefin Product
App 20150148574 - Chewter; Leslie Andrew ;   et al.
2015-05-28
Process For Removing Contaminants In A Compressor
App 20150114434 - MARSMAN; Jeroen Gerard ;   et al.
2015-04-30
Process for Converting Oxygenates to Olefins
App 20150119617 - vijayakumari; Sivakumar SADasivan ;   et al.
2015-04-30
Method For Converting Oxygenates To Olefins
App 20150119616 - SANBORN; Richard Addison ;   et al.
2015-04-30
Process for preparing lower olefins from an oxygenate
Grant 8,946,496 - Chewter , et al. February 3, 2
2015-02-03
Process for the regeneration of a catalyst
Grant 8,946,106 - Quevedo Enriquez , et al. February 3, 2
2015-02-03
Process for the regeneration of a catalyst
Grant 8,916,490 - Chewter , et al. December 23, 2
2014-12-23
Catalyst Return Apparatus And Process For Reacting A Feedstock
App 20140343338 - CHEWTER; Leslie Andrew ;   et al.
2014-11-20
Process for preparing lower olefins from an oxygenate
Grant 8,889,941 - Chewter , et al. November 18, 2
2014-11-18
Process for the preparation of an olefin
Grant 8,884,090 - Van Westrenen , et al. November 11, 2
2014-11-11
Process for producing olefins
Grant 8,884,089 - Chewter , et al. November 11, 2
2014-11-11
Process for the preparation of an olefinic product
Grant 8,822,749 - Van Westrenen , et al. September 2, 2
2014-09-02
Process for preparing an epoxide from an oxygenate
Grant 8,822,709 - Chewter , et al. September 2, 2
2014-09-02
Process for preparing an epoxide from an oxygenate
Grant 8,822,710 - Chewter , et al. September 2, 2
2014-09-02
Catalyst Return Apparatus And Process For Reacting A Feedstock
App 20140234178 - CHEWTER; Leslie Andrew ;   et al.
2014-08-21
Process for preparing ethylene and propylene
Grant 8,779,226 - Chewter , et al. July 15, 2
2014-07-15
Integrated Process For The Preparation Of Olefins
App 20140187833 - CHEWTER; Leslie Andrew ;   et al.
2014-07-03
Method for start-up of an oxygenate-to-olefin process
Grant 8,754,280 - Chewter , et al. June 17, 2
2014-06-17
Catalyst return apparatus, and process for reacting a feedstock
Grant 8,747,767 - Chewter , et al. June 10, 2
2014-06-10
Process for preparing ethylene and/or propylene and an iso-olefin-depleted olefinic product
Grant 8,742,188 - Chewter , et al. June 3, 2
2014-06-03
Process For Preparing Ethylene And/or Propylene
App 20140148631 - CHEWTER; Leslie Andrew ;   et al.
2014-05-29
Process for preparing ethylene and propylene
Grant 8,704,027 - Chewter , et al. April 22, 2
2014-04-22
Riser reactor system and a process for the preparation of an olefinic product
Grant 8,696,999 - Chewter , et al. April 15, 2
2014-04-15
Process for the preparation of an olefin
Grant 8,598,398 - Chewter , et al. December 3, 2
2013-12-03
Process for producing ethylene oxide
Grant 8,569,525 - Chewter , et al. October 29, 2
2013-10-29
Process For Preparing Ethylene And/or Propylene And An Iso-olefin-depleted Olefinic Product
App 20130245292 - CHEWTER; Leslie Andrew ;   et al.
2013-09-19
Process For Preparing Ethylene And Propylene
App 20130245221 - CHEWTER; Leslie Andrew ;   et al.
2013-09-19
Method For Start-up Of An Oxygenate-to-olefin Process
App 20130245294 - CHEWTER; Leslie Andrew ;   et al.
2013-09-19
Process For Preparing Ethylene And Propylene
App 20130237715 - CHEWTER; Leslie Andrew ;   et al.
2013-09-12
Process For Preparing Ethylene And Propylene
App 20130237713 - CHEWTER; Leslie Andrew ;   et al.
2013-09-12
Process For The Preparation Of Olefins
App 20130225896 - CHEWTER; Leslie Andrew ;   et al.
2013-08-29
Process For The Regeneration Of A Catalyst
App 20130225394 - QUEVEDO ENRIQUEZ; Jose Atilio ;   et al.
2013-08-29
Process For The Preparation Of Olefins
App 20130225893 - CHEWTER; Leslie Andrew ;   et al.
2013-08-29
Process For The Regeneration Of A Catalyst
App 20130225393 - CHEWTER; Leslie Andrew ;   et al.
2013-08-29
Process For The Preparation Of Olefins
App 20130225894 - CHEWTER; Leslie Andrew ;   et al.
2013-08-29
Process For Producing Aromatic Hydrocarbons And Ethylene
App 20130217934 - Chewter; Leslie Andrew ;   et al.
2013-08-22
Process for producing olefins
Grant 8,507,742 - Chewter , et al. August 13, 2
2013-08-13
Process For Preparing Lower Olefins From An Oxygenate
App 20130172644 - CHEWTER; Leslie Andrew ;   et al.
2013-07-04
Process For Preparing Lower Olefins From An Oxygenate
App 20130172645 - CHEWTER; Leslie Andrew ;   et al.
2013-07-04
Process For Preparing Lower Olefins
App 20130172627 - CHEWTER; Leslie Andrew ;   et al.
2013-07-04
Process For The Preparation Of An Aromatic Product
App 20130165725 - CHEWTER; Leslie Andrew ;   et al.
2013-06-27
Integrated Process For The Preparation Of An Aromatic Product
App 20130165716 - CHEWTER; Leslie Andrew ;   et al.
2013-06-27
Process For The Rejuvenation Of A Spent Molecular Sieve Catalyst
App 20130137913 - CHEWTER; Leslie Andrew ;   et al.
2013-05-30
Process For Preparing An Epoxide From An Oxygenate
App 20130096329 - CHEWTER; Leslie Andrew ;   et al.
2013-04-18
Process For Converting An Alkyl Tert-alkyl Ether Into An Alkanol And An Iso-alkane
App 20130096352 - CHEWTER; Leslie Andrew ;   et al.
2013-04-18
Process For Preparing An Epoxide From An Oxygenate
App 20130096328 - CHEWTER; Leslie Andrew ;   et al.
2013-04-18
Process For Preparing Ethylene And/or Propylene
App 20130066032 - CHEWTER; Leslie Andrew ;   et al.
2013-03-14
Process for the preparation of an olefinic product
Grant 8,269,056 - Van Westrenen , et al. September 18, 2
2012-09-18
Process For The Manufacture Of A Formulated Oxygenate Conversion Catalyst, Formulated Oxygenate Conversion Catalyst And Process For The Preparation Of An Olefinic Product
App 20120184791 - Chewter; Leslie Andrew ;   et al.
2012-07-19
Procress For The Preparation Of An Olefinic Product, Process For The Manufacture Of An Oxygenate Conversion Catalyst And An Oxygenate Conversion Catalyst
App 20120142990 - Chewter; Leslie Andrew ;   et al.
2012-06-07
Process And Reactor System For The Preparation Of An Olefinic Product
App 20120108876 - Chewter; Leslie Andrew ;   et al.
2012-05-03
Process for the alkylation of a cycloalkene
Grant 8,168,842 - Chewter , et al. May 1, 2
2012-05-01
Oxygenate Conversion Catalyst, Process For The Preparation Of An Olefinic Product, And Process For The Preparation Of An Oxygenate Conversion Catalyst
App 20120101322 - Chewter; Leslie Andrew ;   et al.
2012-04-26
Process For The Manufacture Of A Formulated Oxygenate Conversion Catalyst, Formulated Oxygenate Conversion Catalyst And Process For The Preparation Of An Olefinic Product
App 20120083640 - Chewter; Leslie Andrew ;   et al.
2012-04-05
Process to prepare methanol and/or dimethylether
Grant 8,083,815 - Van Den Berg , et al. December 27, 2
2011-12-27
Process For The Preparation Of An Olefinic Product And An Oxygenate Conversion Catalyst
App 20110313224 - Chewter; Leslie Andrew ;   et al.
2011-12-22
Process For The Preparation Of An Olefinic Product, Oxygenate Conversion Catalyst Particles, And Process For The Manufacutre Thereof
App 20110313225 - Chewter; Leslie Andrew ;   et al.
2011-12-22
Riser Reactor System And A Process For The Preparation Of An Olefinic Product
App 20110306814 - Chewter; Leslie Andrew ;   et al.
2011-12-15
Catalyst Return Apparatus, And Process For Reacting A Feedstock
App 20110295049 - Chewter; Leslie Andrew ;   et al.
2011-12-01
Process For The Preparation Of An Olefinic Product
App 20110288357 - Chewter; Leslie Andrew ;   et al.
2011-11-24
Process for the preparation of C.sub.5 and/or C.sub.6 olefin
Grant 8,049,054 - Chewter , et al. November 1, 2
2011-11-01
Process For The Preparation Of An Olefin
App 20110160509 - Van Westrenen; Jeroen ;   et al.
2011-06-30
Process For Producing Olefins
App 20110137095 - CHEWTER; Leslie Andrew ;   et al.
2011-06-09
Process For Producing Ethylene Oxide
App 20110137053 - CHEWTER; Leslie Andrew ;   et al.
2011-06-09
Process And Integrated System For The Preparation Of A Lower Olefin Product
App 20110112344 - Chewter; Leslie Andrew ;   et al.
2011-05-12
Process For The Preparation Of A Lower Olefin Product
App 20110112345 - Chewter; Leslie Andrew ;   et al.
2011-05-12
Process For Producing Olefins
App 20110112314 - Chewter; Leslie Andrew ;   et al.
2011-05-12
Process for the preparation of propylene and industrial plant thereof
Grant 7,932,427 - Chewter , et al. April 26, 2
2011-04-26
Process For The Preparation Of An Olefin
App 20100305377 - Van Westrenen; Jeroen ;   et al.
2010-12-02
Process For The Preparation Of An Olefinic Product
App 20100305375 - Van Westrenen; Jeroen ;   et al.
2010-12-02
Process For The Preparation Of An Olefinic Product
App 20100298619 - Chewter; Leslie Andrew ;   et al.
2010-11-25
Catalyst Particles, Process For The Preparation Of An Olefinic Product, And Process For The Preparation Of An Oxygenate Conversion Catalyst
App 20100268009 - Van Westrenen; Jeroen ;   et al.
2010-10-21
Process For Converting An Oxygenate Into An Olefin-containing Product, And Reactor System
App 20100268007 - Van Westrenen; Jeroen ;   et al.
2010-10-21
Process For The Preparation Of An Olefinic Product
App 20100261943 - Van Westrenen; Jeroen ;   et al.
2010-10-14
Process For The Preparation Of Propylene From A Hydrocarbon Feed
App 20090270669 - Chewter; Leslie Andrew ;   et al.
2009-10-29
Process For The Preparation Of Propylene And Industrial Plant Thereof
App 20090259087 - Chewter; Leslie Andrew ;   et al.
2009-10-15
Process For The Alkylation Of A Cycloalkene
App 20090227824 - Chewter; Leslie Andrew ;   et al.
2009-09-10
Process For The Preparation Of An Olefin
App 20090187058 - Chewter; Leslie Andrew ;   et al.
2009-07-23
Process For The Preparation Of An Olefin
App 20090187059 - Chewter; Leslie Andrew ;   et al.
2009-07-23
Process For The Preparation Of An Olefin
App 20090187056 - Chewter; Leslie Andrew ;   et al.
2009-07-23
Process For The Preparation Of C5 And/or C6 Olefin
App 20090187057 - Chewter; Leslie Andrew ;   et al.
2009-07-23
Process To Prepare Methanol And/or Dimethylether
App 20090126259 - Den Berg; Robert Van ;   et al.
2009-05-21
Integrated Separation and Preparation Process
App 20090118551 - Buijs; Andre ;   et al.
2009-05-07
Process For The Preparation Of An Olefin
App 20090105429 - Chewter; Leslie Andrew ;   et al.
2009-04-23
Process For The Preparation Of Propylene
App 20090105434 - Chewter; Leslie Andrew ;   et al.
2009-04-23
Process for the preparation of isopropanol
Grant 6,939,995 - Chewter , et al. September 6, 2
2005-09-06
Process for the hydrogenation of acetone
Grant 6,878,851 - Chewter , et al. April 12, 2
2005-04-12
Method and apparatus for producing styrene by catalytic dehydration of 1-phenylethanol
App 20040044260 - Chewter, Leslie Andrew ;   et al.
2004-03-04
Process for the preparation of isopropanol
App 20030149314 - Chewter, Leslie Andrew ;   et al.
2003-08-07
Process for the hydrogenation of acetone
App 20030130546 - Chewter, Leslie Andrew ;   et al.
2003-07-10

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