Radiation-sensitive composition, method for forming pattern and onium salt compound
US-2026063994-A1 · Mar 5, 2026 · US
at least one of the nitrogen atoms being part of any of the groups [IMAGE cpc-sch-C07C-0976.gif], X being a hetero atom, Y being any atom
at least one of the nitrogen atoms being part of any of the groups [IMAGE cpc-sch-C07C-0976.gif], X being a hetero atom, Y being any atom · 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 | C07C309/51 |
| Official title | at least one of the nitrogen atoms being part of any of the groups [IMAGE cpc-sch-C07C-0976.gif], X being a hetero atom, Y being any atom |
| Display label | at least one of the nitrogen atoms being part of any of the groups [IMAGE cpc-sch-C07C-0976.gif], X being a hetero atom, Y being any atom |
| Total patents | 35 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 4 |
| 2017 | 4 |
| 2018 | 6 |
| 2019 | 5 |
| 2020 | 5 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Onium salt monomer, polymer, chemically amplified resist composition, and pattern forming process
US-2025298314-A1 · Sep 25, 2025 · US
Disulfonate stilbenes for use in the treatment of proliferative diseases
US-2025177344-A1 · Jun 5, 2025 · US
Disulfonate stilbenes for use in the treatment of proliferative diseases
US-12233041-B2 · Feb 25, 2025 · US
Naphthalenesulfonyl compounds, and preparation methods and applications
US-2024286996-A1 · Aug 29, 2024 · US
Small molecule inhibitors of coronavirus attachment and entry, methods and uses thereof
US-2023381159-A1 · Nov 30, 2023 · US
Disulfonate stilbenes for use in the treatment of proliferative diseases
US-2022016068-A1 · Jan 20, 2022 · US
Water-soluble diacetylene, photolithography composition comprising water-soluble diacetylene monomer and conductive polymer, and fine pattern preparation method using same
US-11131925-B2 · Sep 28, 2021 · US
Hydrazinyl and aminooxy compounds and their methods of use
US-10793518-B2 · Oct 6, 2020 · US
Inhibiting hydrocarbon hydrate agglomeration
US-2020148937-A1 · May 14, 2020 · US
Resist composition and patterning process
US-10613436-B2 · Apr 7, 2020 · US
Resist composition and patterning process
US-10613437-B2 · Apr 7, 2020 · US
Inhibitors of TNF superfamily costimulatory interactions and methods for uses of the same
US-10562848-B2 · Feb 18, 2020 · US
Carbon dioxide chemical sensor having amino acid-based compound and carbon dioxide detection method using the same
US-10422779-B2 · Sep 24, 2019 · US
Water-soluble diacetylene, photolithography composition comprising water-soluble diacetylene monomer and conductive polymer, and fine pattern preparation method using same
US-2019144379-A1 · May 16, 2019 · US
Hydrazinyl and aminooxy compounds and their methods of use
US-10246410-B2 · Apr 2, 2019 · US
Methods and compositions for treatment of cancer and autoimmune disease
US-10207988-B2 · Feb 19, 2019 · US
Arylsulfonic acid compound, use thereof, and method for producing arylsulfonic acid compound
US-10177315-B2 · Jan 8, 2019 · US
Inhibitors of tnf superfamily costimulatory interactions and methods for uses of the same
US-2018370909-A1 · Dec 27, 2018 · US
Resist composition and patterning process
US-2018275512-A1 · Sep 27, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C309/51?
- CPC C07C309/51 is the Cooperative Patent Classification code for “at least one of the nitrogen atoms being part of any of the groups [IMAGE cpc-sch-C07C-0976.gif], X being a hetero atom, Y being any atom.”
- How many patents are filed under CPC C07C309/51 (at least one of the nitrogen atoms being part of any of the groups [IMAGE cpc-sch-C07C-0976.gif], X being a hetero atom, Y being any atom)?
- Our database includes 35 publications tagged with this CPC code.
- Is patent activity under CPC C07C309/51 growing?
- Publication counts under this code: 1 in 2024 vs 3 in 2025 (latest complete years).