Method for separating 2-alkylanthracenes and use thereof for producing hydrogen peroxide
US-12391633-B2 · Aug 19, 2025 · US
with acids
with acids · 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 | C07C2/70 |
| Official title | with acids |
| Display label | with acids |
| Total patents | 33 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 9 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Processes for the preparation of alkylbenzenes
US-12240792-B2 · Mar 4, 2025 · US
Processes for the preparation of alkylbenzenes
US-2023322646-A1 · Oct 12, 2023 · US
Method for on-line prediction of conjunct polymer concentration in a hydrocarbon conversion process
US-11621059-B2 · Apr 4, 2023 · US
Alkylation process with thermal oxidation system
US-11492306-B2 · Nov 8, 2022 · US
Method for separating 2-alkylanthracenes and use thereof for producing hydrogen peroxide
US-2022177392-A1 · Jun 9, 2022 · US
Alkylation process with thermal oxidation system
US-2022098129-A1 · Mar 31, 2022 · US
Method for on-line prediction of conjunct polymer concentration in a hydrocarbon conversion process
US-2022036976-A1 · Feb 3, 2022 · US
Liquid acid catalyzed alkylation process
US-11104622-B2 · Aug 31, 2021 · US
Paraffin utilization of linear alkyl benzene production
US-10894753-B1 · Jan 19, 2021 · US
Alkylation processes using liquid Lewis acid catalysts
US-10889534-B2 · Jan 12, 2021 · US
Treatment of aromatic alkylation catalysts
US-10821425-B2 · Nov 3, 2020 · US
Liquid acid catalyzed alkylation process
US-2020239382-A1 · Jul 30, 2020 · US
Preparation of metal-in-hollow-zeolite-based catalyst for selective benzene alkylation
US-2020197914-A1 · Jun 25, 2020 · US
Removal of aromatic impurities from an alkene stream using an acid catalyst, such as an acidic ionic liquid
US-10519080-B2 · Dec 31, 2019 · US
Treatment of Aromatic Alkylation Catalysts
US-2019314794-A1 · Oct 17, 2019 · US
Alkylation processes using liquid lewis acid catalysts
US-2018127335-A1 · May 10, 2018 · US
Method for producing xylene
US-9862654-B2 · Jan 9, 2018 · US
Ethylbenzene Production with Ethylene from Oxidative Coupling of Methane
US-2017190638-A1 · Jul 6, 2017 · US
Removal of aromatic impurities from an alkene stream using an acid catalyst, such as an acidic ionic liquid
US-2016355451-A1 · Dec 8, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C2/70?
- CPC C07C2/70 is the Cooperative Patent Classification code for “with acids.”
- How many patents are filed under CPC C07C2/70 (with acids)?
- Our database includes 33 publications tagged with this CPC code.
- Is patent activity under CPC C07C2/70 growing?
- Publication counts under this code: 2 in 2023 vs 2 in 2025 (latest complete years).