Regeneration method for liquefied petroleum gas sweetening caustic
US-11142716-B2 · Oct 12, 2021 · US
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in the presence of alkaline solutions
in the presence of alkaline solutions · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C10G27/06 |
| Official title | in the presence of alkaline solutions |
| Display label | in the presence of alkaline solutions |
| Total patents | 21 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 5 |
| 2017 | 1 |
| 2018 | 4 |
| 2019 | 1 |
| 2020 | 4 |
| 2021 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Controlled catalytic oxidation of MEROX process by-products in integrated refinery process
US-10807947-B2 · Oct 20, 2020 · US
A Regeneration Method For Liquefied Petroleum Gas Sweetening Caustic
US-2020291320-A1 · Sep 17, 2020 · US
Process and apparatus for treating mercaptans
US-10731090-B2 · Aug 4, 2020 · US
Controlled catalytic oxidation of merox process by-products in integrated refinery process
US-2020181073-A1 · Jun 11, 2020 · US
Process for oxidizing one or more thiol compounds and subsequent separation in a single vessel
US-10435362-B2 · Oct 8, 2019 · US
Process and apparatus for treating mercaptans
US-2018327674-A1 · Nov 15, 2018 · US
Process for oxidizing one or more thiol compounds and subsequent separation in a single vessel
US-2018170777-A1 · Jun 21, 2018 · US
Process for oxidizing one or more thiol compounds and subsequent separation in a single vessel
US-2018170864-A1 · Jun 21, 2018 · US
Apparatuses and methods for conversion of mercaptans
US-9914886-B2 · Mar 13, 2018 · US
Integrated hydrocarbon desulfurization with oxidation of disulfides and conversion of SO2 to elemental sulfur
US-9580661-B2 · Feb 28, 2017 · US
Methods for treating hydrocarbon streams containing mercaptan compounds
US-9422483-B2 · Aug 23, 2016 · US
Integrated hydrocarbon desulfurization with oxidation of disulfides and conversion of so2 to elemental sulfur
US-2016145502-A1 · May 26, 2016 · US
Process and apparatus for extracting sulfur compounds in a hydrocarbon stream
US-9328294-B2 · May 3, 2016 · US
Processes and apparatus for separating treated gasoline range hydrocarbons from spent alkali solution
US-2016115393-A1 · Apr 28, 2016 · US
Process for deep desulfurization of cracked gasoline with minimum octane loss
US-9260672-B2 · Feb 16, 2016 · US
Apparatuses and methods for conversion of mercaptans
US-2015353842-A1 · Dec 10, 2015 · US
In-situ kerogen conversion and recycling
US-9133398-B2 · Sep 15, 2015 · US
Methods for treating hydrocarbon streams containing mercaptan compounds
US-2015114883-A1 · Apr 30, 2015 · US
In-situ kerogen conversion and product upgrading
US-8997869-B2 · Apr 7, 2015 · US