Process and plant for preparing purified benzene composition from crude hydrocarbon stream containing benzene
US-12384736-B2 · Aug 12, 2025 · US
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with acids or sulfur oxides
with acids or sulfur oxides · 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 | C07C7/17 |
| Official title | with acids or sulfur oxides |
| Display label | with acids or sulfur oxides |
| 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 |
|---|---|
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 4 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 6 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Oxygenate separation using a metal salt
US-12146109-B2 · Nov 19, 2024 · US
Process and plant for producing alpha olefins
US-11993551-B2 · May 28, 2024 · US
Process and plant for producing alpha olefins
US-2024025822-A1 · Jan 25, 2024 · US
Process and plant for preparing purified benzene composition from crude hydrocarbon stream containing benzene
US-2023303467-A1 · Sep 28, 2023 · US
Oxygenate Separation Using a Metal Salt
US-2022389330-A1 · Dec 8, 2022 · US
Method for the purification of alkanes
US-11479522-B2 · Oct 25, 2022 · US
Oxygenate separation using a metal salt
US-11447704-B2 · Sep 20, 2022 · US
Process and plant for producing alpha olefins
US-11377404-B2 · Jul 5, 2022 · US
Process and plant for producing alpha olefins
US-2022162140-A1 · May 26, 2022 · US
Method for the purification of alkanes
US-2022153662-A1 · May 19, 2022 · US
Methods of removing carbonyl-containing organic compounds
US-10947175-B2 · Mar 16, 2021 · US
Methods of removing carbonyl-containing organic compounds
US-2020172460-A1 · Jun 4, 2020 · US
Oxygenate separation using a metal salt
US-2020115637-A1 · Apr 16, 2020 · US
Butadiene sequestration via sulfur dioxide charged zeolite beds
US-10105646-B2 · Oct 23, 2018 · US
Butadiene sequestration via sulfur dioxide charged zeolite beds
US-2018093221-A1 · Apr 5, 2018 · US
Butadiene sequestration via sulfur dioxide charged zeolite beds
US-9895656-B2 · Feb 20, 2018 · US
Method for emulsion removal in amine removal unit
US-2018022670-A1 · Jan 25, 2018 · US
Butadiene sequestration via sulfur dioxide charged zeolite beds
US-9566548-B2 · Feb 14, 2017 · US
Butadiene sequestration via sulfur dioxide charged zeolite beds
US-2016376250-A1 · Dec 29, 2016 · US