Leslie Andrew Chewter

Person

Amsterdam, NL

People

Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of glycols
- Patent number 10,294,181
- Issue date May 21, 2019
- Shell Oil Company
- Leslie Andrew Chewter
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Catalyst return apparatus and process for reacting a feedstock
- Patent number 9,340,469
- Issue date May 17, 2016
- Shell Oil Company
- Leslie Andrew Chewter
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Integrated process for the preparation of an aromatic product
- Patent number 9,221,726
- Issue date Dec 29, 2015
- Shell Oil Company
- Leslie Andrew Chewter
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process and reactor system for the preparation of an olefinic product
- Patent number 9,120,069
- Issue date Sep 1, 2015
- Shell Oil Company
- Leslie Andrew Chewter
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of an olefinic product, oxygenate conve...
- Patent number 9,120,078
- Issue date Sep 1, 2015
- Shell Oil Company
- Leslie Andrew Chewter
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of olefins
- Patent number 9,115,039
- Issue date Aug 25, 2015
- Shell Oil Company
- Leslie Andrew Chewter
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for converting an alkyl tert-alkyl ether into an alkanol an...
- Patent number 9,067,860
- Issue date Jun 30, 2015
- Shell Oil Company
- Leslie Andrew Chewter
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing lower olefins from an oxygenate
- Patent number 8,946,496
- Issue date Feb 3, 2015
- Shell Oil Company
- Leslie Andrew Chewter
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the regeneration of a catalyst
- Patent number 8,946,106
- Issue date Feb 3, 2015
- Shell Oil Company
- Jose Atilio Quevedo Enriquez
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the regeneration of a catalyst
- Patent number 8,916,490
- Issue date Dec 23, 2014
- Shell Oil Company
- Leslie Andrew Chewter
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing lower olefins from an oxygenate
- Patent number 8,889,941
- Issue date Nov 18, 2014
- Shell Oil Company
- Leslie Andrew Chewter
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of an olefin
- Patent number 8,884,090
- Issue date Nov 11, 2014
- Shell Oil Company
- Jeroen Van Westrenen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing olefins
- Patent number 8,884,089
- Issue date Nov 11, 2014
- Shell Oil Company
- Leslie Andrew Chewter
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing an epoxide from an oxygenate
- Patent number 8,822,709
- Issue date Sep 2, 2014
- Shell Oil Company
- Leslie Andrew Chewter
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing an epoxide from an oxygenate
- Patent number 8,822,710
- Issue date Sep 2, 2014
- Shell Oil Company
- Leslie Andrew Chewter
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of an olefinic product
- Patent number 8,822,749
- Issue date Sep 2, 2014
- Shell Oil Company
- Jeroen Van Westrenen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing ethylene and propylene
- Patent number 8,779,226
- Issue date Jul 15, 2014
- Shell Oil Company
- Leslie Andrew Chewter
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for start-up of an oxygenate-to-olefin process
- Patent number 8,754,280
- Issue date Jun 17, 2014
- Shell Oil Company
- Leslie Andrew Chewter
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Catalyst return apparatus, and process for reacting a feedstock
- Patent number 8,747,767
- Issue date Jun 10, 2014
- Shell Oil Company
- Leslie Andrew Chewter
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for preparing ethylene and/or propylene and an iso-olefin-d...
- Patent number 8,742,188
- Issue date Jun 3, 2014
- Shell Oil Company
- Leslie Andrew Chewter
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing ethylene and propylene
- Patent number 8,704,027
- Issue date Apr 22, 2014
- Shell Oil Company
- Leslie Andrew Chewter
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Riser reactor system and a process for the preparation of an olefin...
- Patent number 8,696,999
- Issue date Apr 15, 2014
- Shell Oil Company
- Leslie Andrew Chewter
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of an olefin
- Patent number 8,598,398
- Issue date Dec 3, 2013
- Shell Oil Company
- Leslie Andrew Chewter
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing ethylene oxide
- Patent number 8,569,525
- Issue date Oct 29, 2013
- Shell Oil Company
- Leslie Andrew Chewter
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing olefins
- Patent number 8,507,742
- Issue date Aug 13, 2013
- Shell Oil Company
- Leslie Andrew Chewter
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of an olefinic product
- Patent number 8,269,056
- Issue date Sep 18, 2012
- Shell Oil Company
- Jeroen Van Westrenen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the alkylation of a cycloalkene
- Patent number 8,168,842
- Issue date May 1, 2012
- Shell Oil Company
- Leslie Andrew Chewter
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process to prepare methanol and/or dimethylether
- Patent number 8,083,815
- Issue date Dec 27, 2011
- Shell Oil Company
- Robert Van Den Berg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of C5 and/or C6 olefin
- Patent number 8,049,054
- Issue date Nov 1, 2011
- Shell Oil Company
- Leslie Andrew Chewter
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of propylene and industrial plant thereof
- Patent number 7,932,427
- Issue date Apr 26, 2011
- Shell Oil Company
- Leslie Andrew Chewter
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
PROCESS FOR THE PREPARATION OF GLYCOLS
- Publication number 20180362424
- Publication date Dec 20, 2018
- Shell Oil Company
- Leslie Andrew CHEWTER
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR THE PREPARATION OF GLYCOLS
- Publication number 20180362425
- Publication date Dec 20, 2018
- Shell Oil Company
- Evert VAN DER HEIDE
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR CONVERTING OXYGENATES TO OLEFINS
- Publication number 20160264490
- Publication date Sep 15, 2016
- Shell Oil Company
- Richard Addison SANBORN
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR CONVERTING OXYGENATES TO OLEFINS
- Publication number 20160257625
- Publication date Sep 8, 2016
- Shell Oil Company
- Jeroen Gerard MARSMAN
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR CONVERTING OXYGENATES TO OLEFINS
- Publication number 20160257626
- Publication date Sep 8, 2016
- Shell Oil Company
- Richard Addison SANBORN
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
A PROCESS FOR CONVERTING OXYGENATES TO OLEFINS
- Publication number 20160251277
- Publication date Sep 1, 2016
- Shell Oil Company
- Richard Addison SANBORN
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR PREPARING ETHYLENE AND/OR PROPYLENE
- Publication number 20150336857
- Publication date Nov 26, 2015
- Shell Oil Company
- Leslie Andrew CHEWTER
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR PREPARING ETHYLENE AND/OR PROPYLENE
- Publication number 20150190773
- Publication date Jul 9, 2015
- Leslie Andrew Chewter
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR THE PREPARATION OF AN OLEFIN PRODUCT
- Publication number 20150148574
- Publication date May 28, 2015
- Leslie Andrew Chewter
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR CONVERTING OXYGENATES TO OLEFINS
- Publication number 20150119616
- Publication date Apr 30, 2015
- Shell Oil Company
- Richard Addison SANBORN
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR REMOVING CONTAMINANTS IN A COMPRESSOR
- Publication number 20150114434
- Publication date Apr 30, 2015
- Shell Oil Company
- Jeroen Gerard MARSMAN
- B08 - CLEANING
Information Patent Application
Process for Converting Oxygenates to Olefins
- Publication number 20150119617
- Publication date Apr 30, 2015
- Shell Oil Company
- Sivakumar SADasivan vijayakumari
- C07 - ORGANIC CHEMISTRY
Information Patent Application
CATALYST RETURN APPARATUS AND PROCESS FOR REACTING A FEEDSTOCK
- Publication number 20140343338
- Publication date Nov 20, 2014
- Shell Oil Company
- Leslie Andrew CHEWTER
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
CATALYST RETURN APPARATUS AND PROCESS FOR REACTING A FEEDSTOCK
- Publication number 20140234178
- Publication date Aug 21, 2014
- Shell Oil Company
- Leslie Andrew CHEWTER
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
INTEGRATED PROCESS FOR THE PREPARATION OF OLEFINS
- Publication number 20140187833
- Publication date Jul 3, 2014
- Shell Oil Company
- Leslie Andrew CHEWTER
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
PROCESS FOR PREPARING ETHYLENE AND/OR PROPYLENE
- Publication number 20140148631
- Publication date May 29, 2014
- Leslie Andrew CHEWTER
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR PREPARING ETHYLENE AND PROPYLENE
- Publication number 20130245221
- Publication date Sep 19, 2013
- Shell Oil Company
- Leslie Andrew CHEWTER
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR PREPARING ETHYLENE AND/OR PROPYLENE AND AN ISO-OLEFIN-D...
- Publication number 20130245292
- Publication date Sep 19, 2013
- Shell Oil Company
- Leslie Andrew CHEWTER
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR START-UP OF AN OXYGENATE-TO-OLEFIN PROCESS
- Publication number 20130245294
- Publication date Sep 19, 2013
- Shell Oil Company
- Leslie Andrew CHEWTER
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR PREPARING ETHYLENE AND PROPYLENE
- Publication number 20130237713
- Publication date Sep 12, 2013
- Shell Oil Company
- Leslie Andrew CHEWTER
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR PREPARING ETHYLENE AND PROPYLENE
- Publication number 20130237715
- Publication date Sep 12, 2013
- Shell Oil Company
- Leslie Andrew CHEWTER
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR THE PREPARATION OF OLEFINS
- Publication number 20130225893
- Publication date Aug 29, 2013
- Shell Oil Company
- Leslie Andrew CHEWTER
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR THE PREPARATION OF OLEFINS
- Publication number 20130225894
- Publication date Aug 29, 2013
- Shell Oil Company
- Leslie Andrew CHEWTER
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR THE PREPARATION OF OLEFINS
- Publication number 20130225896
- Publication date Aug 29, 2013
- Shell Oil Company
- Leslie Andrew CHEWTER
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR THE REGENERATION OF A CATALYST
- Publication number 20130225393
- Publication date Aug 29, 2013
- Shell Oil Company
- Leslie Andrew CHEWTER
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR THE REGENERATION OF A CATALYST
- Publication number 20130225394
- Publication date Aug 29, 2013
- Shell Oil Company
- Jose Atilio QUEVEDO ENRIQUEZ
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR PRODUCING AROMATIC HYDROCARBONS AND ETHYLENE
- Publication number 20130217934
- Publication date Aug 22, 2013
- Leslie Andrew Chewter
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR PREPARING LOWER OLEFINS FROM AN OXYGENATE
- Publication number 20130172644
- Publication date Jul 4, 2013
- Shell Oil Company
- Leslie Andrew CHEWTER
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR PREPARING LOWER OLEFINS
- Publication number 20130172627
- Publication date Jul 4, 2013
- Shell Oil Company
- Leslie Andrew CHEWTER
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
PROCESS FOR PREPARING LOWER OLEFINS FROM AN OXYGENATE
- Publication number 20130172645
- Publication date Jul 4, 2013
- Shell Oil Company
- Leslie Andrew CHEWTER
- C07 - ORGANIC CHEMISTRY

Leslie Andrew Chewter

Person

Patents Grantslast 30 patents

Process for the preparation of glycols

Catalyst return apparatus and process for reacting a feedstock

Integrated process for the preparation of an aromatic product

Process and reactor system for the preparation of an olefinic product

Process for the preparation of an olefinic product, oxygenate conve...

Process for the preparation of olefins

Process for converting an alkyl tert-alkyl ether into an alkanol an...

Process for preparing lower olefins from an oxygenate

Process for the regeneration of a catalyst

Process for the regeneration of a catalyst

Process for preparing lower olefins from an oxygenate

Process for the preparation of an olefin

Process for producing olefins

Process for preparing an epoxide from an oxygenate

Process for preparing an epoxide from an oxygenate

Process for the preparation of an olefinic product

Process for preparing ethylene and propylene

Method for start-up of an oxygenate-to-olefin process

Catalyst return apparatus, and process for reacting a feedstock

Process for preparing ethylene and/or propylene and an iso-olefin-d...

Process for preparing ethylene and propylene

Riser reactor system and a process for the preparation of an olefin...

Process for the preparation of an olefin

Process for producing ethylene oxide

Process for producing olefins

Process for the preparation of an olefinic product

Process for the alkylation of a cycloalkene

Process to prepare methanol and/or dimethylether

Process for the preparation of C5 and/or C6 olefin

Process for the preparation of propylene and industrial plant thereof

Patents Applicationslast 30 patents

PROCESS FOR THE PREPARATION OF GLYCOLS

PROCESS FOR THE PREPARATION OF GLYCOLS

PROCESS FOR CONVERTING OXYGENATES TO OLEFINS

PROCESS FOR CONVERTING OXYGENATES TO OLEFINS

PROCESS FOR CONVERTING OXYGENATES TO OLEFINS

A PROCESS FOR CONVERTING OXYGENATES TO OLEFINS

PROCESS FOR PREPARING ETHYLENE AND/OR PROPYLENE

PROCESS FOR PREPARING ETHYLENE AND/OR PROPYLENE

PROCESS FOR THE PREPARATION OF AN OLEFIN PRODUCT

METHOD FOR CONVERTING OXYGENATES TO OLEFINS

PROCESS FOR REMOVING CONTAMINANTS IN A COMPRESSOR

Process for Converting Oxygenates to Olefins

CATALYST RETURN APPARATUS AND PROCESS FOR REACTING A FEEDSTOCK

CATALYST RETURN APPARATUS AND PROCESS FOR REACTING A FEEDSTOCK

INTEGRATED PROCESS FOR THE PREPARATION OF OLEFINS

PROCESS FOR PREPARING ETHYLENE AND/OR PROPYLENE

PROCESS FOR PREPARING ETHYLENE AND PROPYLENE

PROCESS FOR PREPARING ETHYLENE AND/OR PROPYLENE AND AN ISO-OLEFIN-D...

METHOD FOR START-UP OF AN OXYGENATE-TO-OLEFIN PROCESS

PROCESS FOR PREPARING ETHYLENE AND PROPYLENE

PROCESS FOR PREPARING ETHYLENE AND PROPYLENE

PROCESS FOR THE PREPARATION OF OLEFINS

PROCESS FOR THE PREPARATION OF OLEFINS

PROCESS FOR THE PREPARATION OF OLEFINS

PROCESS FOR THE REGENERATION OF A CATALYST

PROCESS FOR THE REGENERATION OF A CATALYST

PROCESS FOR PRODUCING AROMATIC HYDROCARBONS AND ETHYLENE

PROCESS FOR PREPARING LOWER OLEFINS FROM AN OXYGENATE

PROCESS FOR PREPARING LOWER OLEFINS

PROCESS FOR PREPARING LOWER OLEFINS FROM AN OXYGENATE