Radiation-sensitive composition, method for forming pattern and onium salt compound
US-2026063994-A1 · Mar 5, 2026 · US
containing sulfur atoms of sulfo, esterified sulfo or halosulfonyl groups, bound to the carbon skeleton
containing sulfur atoms of sulfo, esterified sulfo or halosulfonyl groups, bound to the carbon skeleton · 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 | C07C323/66 |
| Official title | containing sulfur atoms of sulfo, esterified sulfo or halosulfonyl groups, bound to the carbon skeleton |
| Display label | containing sulfur atoms of sulfo, esterified sulfo or halosulfonyl groups, bound to the carbon skeleton |
| Total patents | 31 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 2 |
| 2017 | 4 |
| 2018 | 2 |
| 2019 | 5 |
| 2020 | 5 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Sulfanyl sulfonic acid compound, viscoelastic modifier, rubber composition, and vulcanized rubber production method
US-12275836-B2 · Apr 15, 2025 · US
Salt compound and quencher, photoresist composition comprising the same
US-2024337930-A1 · Oct 10, 2024 · US
Conjugate and the preparing method and use thereof
US-2024261425-A1 · Aug 8, 2024 · US
Sulfanyl sulfonic acid compound, viscoelastic modifier, rubber composition, and vulcanized rubber production method
US-2023144404-A1 · May 11, 2023 · US
Heterocyclic compound or salt thereof, active material, electrolytic solution and redox flow battery
US-2023045245-A1 · Feb 9, 2023 · US
Fluorinated tensides
US-11535589-B2 · Dec 27, 2022 · US
Resist composition and resist patterning process
US-11131926-B2 · Sep 28, 2021 · US
High solubility thioether quinones
US-11021441-B2 · Jun 1, 2021 · US
Process for preparing unipolar cation-conducting ionomers from difluoro ionic monomers
US-10826118-B2 · Nov 3, 2020 · US
High Solubility Thioether Quinones
US-2020223794-A1 · Jul 16, 2020 · US
Thiol-based deep eutectic solvent
US-2020190553-A1 · Jun 18, 2020 · US
Catechol-derivative compounds and their use
US-2020181076-A1 · Jun 11, 2020 · US
High-solubility thioether quinones
US-10597359-B2 · Mar 24, 2020 · US
Fluorinated tensides
US-2019276397-A1 · Sep 12, 2019 · US
Halogenated compound, polymer comprising same, and polymer electrolyte membrane comprising same
US-10312542-B2 · Jun 4, 2019 · US
High-Solubility Thioether Quinones
US-2019055193-A1 · Feb 21, 2019 · US
Colorimetric determination of aqueous nitrate concentration
US-10203316-B2 · Feb 12, 2019 · US
Resist composition and resist patterning process
US-2019010119-A1 · Jan 10, 2019 · US
Process for Preparing Unipolar Cation-Conducting Ionomers from Difluoro Ionic Monomers
US-2018212274-A1 · Jul 26, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C323/66?
- CPC C07C323/66 is the Cooperative Patent Classification code for “containing sulfur atoms of sulfo, esterified sulfo or halosulfonyl groups, bound to the carbon skeleton.”
- How many patents are filed under CPC C07C323/66 (containing sulfur atoms of sulfo, esterified sulfo or halosulfonyl groups, bound to the carbon skeleton)?
- Our database includes 31 publications tagged with this CPC code.
- Is patent activity under CPC C07C323/66 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).