Inventor
Wayne Errol Evans
Inventor
Richmond, TX, US
Overview
Patents· 31 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Dprimary
C07DHeterocyclic compounds22%
Y02PClimate change mitigation technologies in the production or processing of goods20%
C07CAcyclic or carbocyclic compounds17%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry15%
B01DSeparation8%
C10GCracking hydrocarbon oils7%
C01BNon-metallic elements3%
Y02CCapture, storage, sequestration or disposal of greenhouse gases [ghg]3%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
PatentTitleYear
10,525,409Processes and systems for removing a vinyl iodide impurity from a recycle gas stream in the production of ethylene oxide202010,526,300Processes and systems for removing iodide impurities from a recycle gas stream in the production of ethylene oxide202010,450,287Processes and systems for removing an alkyl iodide impurity from a recycle gas stream in the production of ethylene oxide20199,527,787'Process for the preparation of alkylene carbonate and/or alkylene glycol'20169,174,928'Process for improving the selectivity of an EO catalyst'20158,858,893'Process for the preparation of an alkylene carbonate and an alkylene glycol'20148,859,792'Olefin epoxidation process'20148,742,146'Process for improving the selectivity of an EO catalyst'20148,742,147'Process for improving the selectivity of an EO catalyst'20148,546,592'Olefin epoxidation process'20138,536,393'Integrated process to produce C4+ hydrocarbons with removal of brominated organic impurities'20138,357,812'Process for preparing a rejuvenated epoxidation catalyst'20138,273,912'Process for the preparation of an alkylene carbonate and an alkylene glycol'20128,193,374'Process for the preparation of alkylene carbonate and/or alkylene glycol'20127,348,444'Process for the production of an olefin oxide'20087,102,022'Method for the start-up of an epoxidation process and a process for the epoxidation of an olefin'20066,717,001'Process for operating the epoxidation of ethylene'20046,372,925'Process for operating the epoxidation of ethylene'20025,840,932'Process for ethylene oxide production'19985,703,253'Ethylene oxide catalyst and process'19975,597,773'Ethylene oxide catalyst and process'19975,418,202'Ethylene oxide catalyst and process'19954,982,048'Isomerization process with preliminary normal paraffin and mono-methyl paraffin feed capture step'19914,960,507'Two-step heterocyclic nitrogen extraction from petroleum oils'19904,960,508'Two-step heterocyclic nitrogen extraction from petroleum oils'19904,942,027'Method for preparing ferrierite'19904,855,529'Isomerization process with preliminary normal paraffin and mono-methyl paraffin feed capture step'19894,804,802'Isomerization process with recycle of mono-methyl-branched paraffins and normal paraffins'19894,797,266'Method of preparation of a combined ZSM-5-ferrierite aluminosilicate'19894,795,623'Time effective method for preparing ferrierite'19894,717,784'Total isomerization process with mono-methyl-branched plus normal paraffin recycle stream'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–2020Patents assigned to SHELL OIL CO (31)· patent assignee history
1988–2014Based in Houston, TX, US· patent location history
1990–2020Based in Richmond, TX, US· patent location history
2012–2016Patents assigned to EVANS WAYNE ERROL (10)· patent assignee history
2012–2016Patents assigned to MATUSZ MAREK (8)· patent assignee history
2012–2016Patents assigned to HESS MARTIN LYSLE (5)· patent assignee history
2012–2016Patents assigned to VAN KRUCHTEN EUGENE MARIE GODFRIED ANDRE (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SHELL OIL CO | 31 | 1988–2020 |
| EVANS WAYNE ERROLself | 10 | 2012–2016 |
| MATUSZ MAREK | 8 | 2012–2016 |
| HESS MARTIN LYSLE | 5 | 2012–2016 |
| VAN KRUCHTEN EUGENE MARIE GODFRIED ANDRE | 4 | 2012–2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Richmond, Texas, US | 23 | 1990–2020 |
| Houston, Texas, US | 8 | 1988–2014 |