A method for purification of liquefied waste plastics using recycled aqueous stream
US-2026015548-A1 · Jan 15, 2026 · US
Recovery of used refining agents
Recovery of used refining agents · 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 | C10G19/08 |
| Official title | Recovery of used refining agents |
| Display label | Recovery of used refining agents |
| Total patents | 41 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 7 |
| 2019 | 5 |
| 2020 | 5 |
| 2021 | 7 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Systems and process for controlling a sulfur extraction from a hydrocarbon stream
US-11898103-B2 · Feb 13, 2024 · US
Systems and process for controlling a sulfur extraction from a hydrocarbon stream
US-2023138459-A1 · May 4, 2023 · US
Process for reducing the amount of carbon disulphide (CS2) in a hydrocarbon feed
US-11299681-B2 · Apr 12, 2022 · US
Conversion of MEROX process by-products to useful products in an integrated refinery process
US-11261386-B2 · Mar 1, 2022 · US
Conversion of merox process by-products to useful products in an integrated refinery process
US-2021363437-A1 · Nov 25, 2021 · US
Regeneration method for liquefied petroleum gas sweetening caustic
US-11142716-B2 · Oct 12, 2021 · US
Process for reducing the amount of carbon disulphide (cs 2) in a hydrocarbon feed
US-2021284918-A1 · Sep 16, 2021 · US
Process to remove olefins from light hydrocarbon stream by mercaptanization followed by MEROX removal of mercaptans from the separated stream
US-10968400-B2 · Apr 6, 2021 · US
Layer-separation method of spent caustic solution
US-10941351-B2 · Mar 9, 2021 · US
Process to remove olefins from light hydrocarbon stream by mercaptanization followed by merox removal of mercaptans from the separated stream
US-2021032547-A1 · Feb 4, 2021 · US
Integrated mercaptan extraction and/or sweetening processes combined with thermal oxidation and flue gas treatment
US-10888818-B2 · Jan 12, 2021 · US
Process for the regeneration of an alkaline solution utilized in a process for the extraction of sulphur-containing compounds comprising a washing step
US-10808182-B2 · Oct 20, 2020 · US
Process for the regeneration of an alkaline solution used in a process for the extraction of sulphur-containing compounds not comprising a washing step
US-10780398-B2 · Sep 22, 2020 · US
A Regeneration Method For Liquefied Petroleum Gas Sweetening Caustic
US-2020291320-A1 · Sep 17, 2020 · US
Integrated mercaptan extraction and/or sweetening processes combined with thermal oxidation and flue gas treatment
US-2020222851-A1 · Jul 16, 2020 · US
Processes for sweetening a hydrocarbon stream
US-10626333-B2 · Apr 21, 2020 · US
Process for oxidizing one or more thiol compounds and subsequent separation in a single vessel
US-10435362-B2 · Oct 8, 2019 · US
Integrated process for activating hydroprocessing catalysts with in-situ produced sulfides and disulphides
US-10400183-B2 · Sep 3, 2019 · US
Integrated process for activating hydroprocessing catalysts with in-situ produced sulfides and disulphides
US-2019194555-A1 · Jun 27, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C10G19/08?
- CPC C10G19/08 is the Cooperative Patent Classification code for “Recovery of used refining agents.”
- How many patents are filed under CPC C10G19/08 (Recovery of used refining agents)?
- Our database includes 41 publications tagged with this CPC code.
- Is patent activity under CPC C10G19/08 growing?
- Publication counts under this code: 1 in 2023 vs 1 in 2024 (latest complete years).