Salt, acid generator, resin, resist composition and method for producing resist pattern
US-12572072-B2 · Mar 10, 2026 · US
of an unsaturated carbon skeleton
of an unsaturated 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 | C07C309/67 |
| Official title | of an unsaturated carbon skeleton |
| Display label | of an unsaturated carbon skeleton |
| Total patents | 36 |
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 | 5 |
| 2017 | 4 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 5 |
| 2024 | 2 |
| 2025 | 2 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fluorene compound having sulfonic acid ester structure and allyl group and method for producing same
US-2026035344-A1 · Feb 5, 2026 · US
Electrolyte solution and electrochemical device
US-2025105356-A1 · Mar 27, 2025 · US
Electrolyte for lithium secondary battery and lithium secondary battery including the same
US-12230759-B2 · Feb 18, 2025 · US
Silicon-based energy storage devices with functionalized linear sulfonate ester derivative compound containing electrolyte additives
US-11901508-B2 · Feb 13, 2024 · US
Non-aqueous electrolyte solution for lithium secondary battery and lithium secondary battery including the same
US-11876177-B2 · Jan 16, 2024 · US
Electrolyte for Lithium Secondary Battery and Lithium Secondary Battery Including the Same
US-2023253625-A1 · Aug 10, 2023 · US
Electrolyte for lithium secondary battery and lithium secondary battery including the same
US-11664535-B2 · May 30, 2023 · US
Salt, acid generator, resin, resist composition and method for producing resist pattern
US-2023161256-A1 · May 25, 2023 · US
Compounds for optically active devices
US-2023084690-A1 · Mar 16, 2023 · US
Silicon-based energy storage devices with functionalized linear sulfonate ester derivative compound containing electrolyte additives
US-2023006252-A1 · Jan 5, 2023 · US
Lipids for delivery of charged material, formulations thereof and method for making same
US-2022304929-A1 · Sep 29, 2022 · US
Silicon-based energy storage devices with functionalized linear sulfonate ester derivative compound containing electrolyte additives
US-11431029-B2 · Aug 30, 2022 · US
Electrolyte for Lithium Secondary Battery and Lithium Secondary Battery Including the Same
US-2021313622-A1 · Oct 7, 2021 · US
Improving the mechanical integrity of polysulfonic acids
US-2021269572-A1 · Sep 2, 2021 · US
Phosphono-phosphate and anionic group containing polymers
US-11008411-B2 · May 18, 2021 · US
Silicon-based energy storage devices with functionalized linear sulfonate ester derivative compound containing electrolyte additives
US-2020388879-A1 · Dec 10, 2020 · US
Non-Aqueous Electrolyte Solution for Lithium Secondary Battery and Lithium Secondary Battery Including the Same
US-2020335822-A1 · Oct 22, 2020 · US
Process for preparing 3-chloro-2-vinylphenylsulfonates
US-10618872-B2 · Apr 14, 2020 · US
Polymerizable composition comprising an oxime sulfonate as thermal curing agent
US-2019171099-A1 · Jun 6, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C309/67?
- CPC C07C309/67 is the Cooperative Patent Classification code for “of an unsaturated carbon skeleton.”
- How many patents are filed under CPC C07C309/67 (of an unsaturated carbon skeleton)?
- Our database includes 36 publications tagged with this CPC code.
- Is patent activity under CPC C07C309/67 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).