Onium-salt-type monomer, monomeric photo-acid generator, polymer, chemically-amplified resist compostion, and patterning process
US-2026044079-A1 · Feb 12, 2026 · US
containing singly-bound oxygen atoms bound to the carbon skeleton
containing singly-bound oxygen atoms 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 | C07C309/75 |
| Official title | containing singly-bound oxygen atoms bound to the carbon skeleton |
| Display label | containing singly-bound oxygen atoms bound to the carbon skeleton |
| Total patents | 37 |
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 | 4 |
| 2019 | 4 |
| 2020 | 6 |
| 2021 | 2 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 9 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Onium salt monomer, polymer, chemically amplified negative resist composition, and resist pattern forming process
US-2026010074-A1 · Jan 8, 2026 · US
Onium salt monomer, polymer, chemically amplified resist composition, and pattern forming method
US-2025390019-A1 · Dec 25, 2025 · US
Onium salt monomer, polymer, chemically amplified resist composition, and pattern forming process
US-2025314964-A1 · Oct 9, 2025 · US
Onium salt monomer, polymer, chemically amplified resist composition, and pattern forming process
US-2025298314-A1 · Sep 25, 2025 · US
Perovskite layer, fabrication method and use the same
US-12408548-B2 · Sep 2, 2025 · US
Onium salt monomer, polymer, chemically amplified resist composition, and pattern forming process
US-2025244665-A1 · Jul 31, 2025 · US
Onium salt monomer, polymer, chemically amplified resist composition, and pattern forming process
US-2025244668-A1 · Jul 31, 2025 · US
Perovskite layer, fabrication method and use the same
US-2025143173-A1 · May 1, 2025 · US
Onium salt type monomer, polymer, chemically amplified resist composition, and pattern forming process
US-2025123566-A1 · Apr 17, 2025 · US
Polymer, monomer, resist composition comprising the same and method of forming pattern using the same
US-2025021003-A1 · Jan 16, 2025 · US
Cannabigerol derivatives and use thereof as cannabinoid receptor modulators
US-12084407-B2 · Sep 10, 2024 · US
Non-chromatographic purification of macrocyclic peptides by a resin catch and release
US-12018097-B2 · Jun 25, 2024 · US
Non-chromatographic purification of macrocyclic peptides by a resin catch and release
US-2024051996-A1 · Feb 15, 2024 · US
Arylamides and methods of use thereof
US-2023159439-A1 · May 25, 2023 · US
Cannabigerol derivatives and use thereof as cannabinoid receptor modulators
US-2023150927-A1 · May 18, 2023 · US
Photo-decomposable compound, photoresist composition including the same, and method of manufacturing integrated circuit device
US-2023131429-A1 · Apr 27, 2023 · US
Recording material and compound
US-11529819-B2 · Dec 20, 2022 · US
Non-chromatographic purification of macrocyclic peptides by a resin catch and release
US-11479581-B2 · Oct 25, 2022 · US
HPTS series derivatives and synthesis method therefor
US-11472768-B2 · Oct 18, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C309/75?
- CPC C07C309/75 is the Cooperative Patent Classification code for “containing singly-bound oxygen atoms bound to the carbon skeleton.”
- How many patents are filed under CPC C07C309/75 (containing singly-bound oxygen atoms bound to the carbon skeleton)?
- Our database includes 37 publications tagged with this CPC code.
- Is patent activity under CPC C07C309/75 growing?
- Publication counts under this code: 3 in 2024 vs 9 in 2025 (latest complete years).