Inventor
Leslie Andrew Chewter
Inventor
Amsterdam, NL
Overview
Patents· 32 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds33%
Y02PClimate change mitigation technologies in the production or processing of goods27%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry14%
C10GCracking hydrocarbon oils12%
C07DHeterocyclic compounds7%
C01BNon-metallic elements3%
C10LFuels not otherwise provided for2%
C10JProduction of producer gas, water-gas, synthesis gas from solid carbonaceous material, or mixtures containing these gases1%
C10KPurifying or modifying the chemical composition of combustible gases containing carbon monoxide1%
PatentTitleYear
10,294,181Process for the preparation of glycols20199,340,469'Catalyst return apparatus and process for reacting a feedstock'20169,221,726'Integrated process for the preparation of an aromatic product'20159,120,069'Process and reactor system for the preparation of an olefinic product'20159,120,078'Process for the preparation of an olefinic product, oxygenate conversion catalyst particles, and process for the manufacutre thereof'20159,115,039'Process for the preparation of olefins'20159,067,860'Process for converting an alkyl tert-alkyl ether into an alkanol and an iso-alkane'20158,946,496'Process for preparing lower olefins from an oxygenate'20158,946,106'Process for the regeneration of a catalyst'20158,916,490'Process for the regeneration of a catalyst'20148,889,941'Process for preparing lower olefins from an oxygenate'20148,884,089'Process for producing olefins'20148,884,090'Process for the preparation of an olefin'20148,822,709'Process for preparing an epoxide from an oxygenate'20148,822,710'Process for preparing an epoxide from an oxygenate'20148,822,749'Process for the preparation of an olefinic product'20148,779,226'Process for preparing ethylene and propylene'20148,754,280'Method for start-up of an oxygenate-to-olefin process'20148,747,767'Catalyst return apparatus, and process for reacting a feedstock'20148,742,188'Process for preparing ethylene and/or propylene and an iso-olefin-depleted olefinic product'20148,704,027'Process for preparing ethylene and propylene'20148,696,999'Riser reactor system and a process for the preparation of an olefinic product'20148,598,398'Process for the preparation of an olefin'20138,569,525'Process for producing ethylene oxide'20138,507,742'Process for producing olefins'20138,269,056'Process for the preparation of an olefinic product'20128,168,842'Process for the alkylation of a cycloalkene'20128,083,815'Process to prepare methanol and/or dimethylether'20118,049,054'Process for the preparation of C5 and/or C6 olefin'20117,932,427'Process for the preparation of propylene and industrial plant thereof'20116,939,995'Process for the preparation of isopropanol'20056,878,851'Process for the hydrogenation of acetone'2005Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2005–2019Patents assigned to SHELL OIL CO (32)· patent assignee history
2005–2019Based in Amsterdam, NL· patent location history
2011–2015Patents assigned to CHEWTER LESLIE ANDREW (20)· patent assignee history
2011–2015Patents assigned to VAN WESTRENEN JEROEN (16)· patent assignee history
2011–2015Patents assigned to WINTER FERRY (6)· patent assignee history
2014Patents assigned to RAMESH RAJARAM (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SHELL OIL CO | 32 | 2005–2019 |
| CHEWTER LESLIE ANDREWself | 20 | 2011–2015 |
| VAN WESTRENEN JEROEN | 16 | 2011–2015 |
| WINTER FERRY | 6 | 2011–2015 |
| RAMESH RAJARAM | 4 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Amsterdam, NL | 32 | 2005–2019 |