Iodonium salt, chemically amplified positive resist composition and resist pattern forming process
US-2026056469-A1 · Feb 26, 2026 · US
Heterocyclic compounds containing rings having halogen atoms as ring hetero atoms
Heterocyclic compounds containing rings having halogen atoms as ring hetero atoms · 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 | C07D347/00 |
| Official title | Heterocyclic compounds containing rings having halogen atoms as ring hetero atoms |
| Display label | Heterocyclic compounds containing rings having halogen atoms as ring hetero atoms |
| Total patents | 40 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 5 |
| 2019 | 6 |
| 2020 | 5 |
| 2021 | 4 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 4 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for functionalization of an aromatic amino acid or a nucleobase
US-12291550-B2 · May 6, 2025 · US
Method for producing triarylorganoborates
US-12043636-B2 · Jul 23, 2024 · US
Photoacid generators, photoresist compositions, and pattern formation methods
US-2024027905-A1 · Jan 25, 2024 · US
Photoactive compounds, photoresist compositions including the same, and pattern formation methods
US-2024027904-A1 · Jan 25, 2024 · US
Method for producing triarylorganoborates
US-2024002409-A1 · Jan 4, 2024 · US
Condensed cyclic compound and organic light-emitting device including the same
US-11818951-B2 · Nov 14, 2023 · US
Method for producing triarylorganoborates
US-11760765-B2 · Sep 19, 2023 · US
Trifluoromethoxylation of arenes via intramolecular trifluoromethoxy group migration
US-11724982-B2 · Aug 15, 2023 · US
Environmentally-friendly hydroazidation of olefins
US-11708320-B2 · Jul 25, 2023 · US
A method for functionalization of an aromatic amino acid or a nucleobase
US-2022177514-A1 · Jun 9, 2022 · US
Process for the manufacturing of triaryl-organo borates
US-11242360-B2 · Feb 8, 2022 · US
Method for producing triarylorganoborates
US-2022002321-A1 · Jan 6, 2022 · US
Environmentally-friendly hydroazidation of olefins
US-2021284601-A1 · Sep 16, 2021 · US
Method for producing triarylorganoborates
US-11098066-B2 · Aug 24, 2021 · US
Process for the production of triaryl organoborates
US-11078218-B2 · Aug 3, 2021 · US
Onium salt compound, chemically amplified resist composition and patterning process
US-2021188770-A1 · Jun 24, 2021 · US
Trifluoromethoxylation of arenes via intramolecular trifluoromethoxy group migration
US-2020262784-A1 · Aug 20, 2020 · US
Condensed cyclic compound and organic light-emitting device including the same
US-2020259103-A1 · Aug 13, 2020 · US
Trifluoromethoylation of arenes via intramolecular trifluoromethoxy group migration
US-10676424-B2 · Jun 9, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07D347/00?
- CPC C07D347/00 is the Cooperative Patent Classification code for “Heterocyclic compounds containing rings having halogen atoms as ring hetero atoms.”
- How many patents are filed under CPC C07D347/00 (Heterocyclic compounds containing rings having halogen atoms as ring hetero atoms)?
- Our database includes 40 publications tagged with this CPC code.
- Is patent activity under CPC C07D347/00 growing?
- Publication counts under this code: 4 in 2024 vs 1 in 2025 (latest complete years).