Hydrocracking process and system including separation of heavy poly nuclear aromatics from recycle by sulfonation
US-11279886-B2 · Mar 22, 2022 · US
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using acids derived from sulfur or acid sludge thereof
using acids derived from sulfur or acid sludge thereof · 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 | C10G17/06 |
| Official title | using acids derived from sulfur or acid sludge thereof |
| Display label | using acids derived from sulfur or acid sludge thereof |
| Total patents | 11 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 2 |
| 2018 | 2 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hydrocracking process and system including separation of heavy poly nuclear aromatics from recycle by sulfonation
US-2021130703-A1 · May 6, 2021 · US
Removing contaminants from crude oil
US-10883054-B2 · Jan 5, 2021 · US
Demetallization of hydrocarbons
US-10752842-B2 · Aug 25, 2020 · US
Demetallization of hydrocarbons
US-2018148652-A1 · May 31, 2018 · US
Removing Contaminants From Crude Oil
US-2018079969-A1 · Mar 22, 2018 · US
Removing unstable sulfur compounds from crude oil
US-9499749-B2 · Nov 22, 2016 · US
Contaminant removal from hydrocarbon streams with ionic liquids
US-2016168482-A1 · Jun 16, 2016 · US
Contaminant removal from hydrocarbon streams with lactamium based ionic liquids
US-2015322353-A1 · Nov 12, 2015 · US
Removing Unstable Sulfur Compounds From Crude Oil
US-2015267126-A1 · Sep 24, 2015 · US
Removing unstable sulfur compounds from crude oil
US-9062260-B2 · Jun 23, 2015 · US