Synthesis of deuterated aldehydes
US-12454502-B2 · Oct 28, 2025 · US
to carbon atoms of hydrocarbon radicals substituted by doubly-bound oxygen atoms
to carbon atoms of hydrocarbon radicals substituted by doubly-bound oxygen 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 | C07C271/18 |
| Official title | to carbon atoms of hydrocarbon radicals substituted by doubly-bound oxygen atoms |
| Display label | to carbon atoms of hydrocarbon radicals substituted by doubly-bound oxygen atoms |
| Total patents | 62 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 4 |
| 2017 | 4 |
| 2018 | 1 |
| 2019 | 15 |
| 2020 | 7 |
| 2021 | 12 |
| 2022 | 6 |
| 2023 | 5 |
| 2024 | 3 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
1,2,4-triazin-3(2H)-one compounds for the treatment of hyperproliferative diseases
US-12427153-B2 · Sep 30, 2025 · US
Picolinamides as fungicides
US-2025074879-A1 · Mar 6, 2025 · US
Picolinamides as fungicides
US-12180163-B2 · Dec 31, 2024 · US
Process for the cycloaddition of a (hetero)aryl 1,3-dipole compound with a (hetero)cycloalkyne
US-12084448-B2 · Sep 10, 2024 · US
Molecules having pesticidal utility, and intermediates, compositions, and processes, related thereto
US-11944099-B2 · Apr 2, 2024 · US
Novel cycloalkenone compound or salt thereof
US-2023295068-A1 · Sep 21, 2023 · US
Compound for optical materials, curable composition, cured body, and optical article
US-2023286912-A1 · Sep 14, 2023 · US
Antibacterial hydrophilic compound
US-2023119640-A1 · Apr 20, 2023 · US
SMYD Inhibitors
US-2023101819-A1 · Mar 30, 2023 · US
Picolinamides as fungicides
US-2023049481-A1 · Feb 16, 2023 · US
Decarboxylative cross-coupling and applications thereof
US-11512071-B2 · Nov 29, 2022 · US
Antibacterial hydrophilic compound and use thereof
US-11503828-B2 · Nov 22, 2022 · US
Enantioselective synthesis of α-quaternary Mannich adducts by palladium-catalyzed allylic alkylation
US-11377396-B2 · Jul 5, 2022 · US
Di(hetero)aryl macrocyclic compound for inhibiting protein kinase activity
US-11358973-B2 · Jun 14, 2022 · US
Structure of GII.4 norovirus protease—design of broad-spectrum protease inhibitors
US-11344600-B2 · May 31, 2022 · US
Process for the cycloaddition of a (hetero)aryl 1,3-dipole compound with a (hetero)cycloalkyne
US-2022048920-A1 · Feb 17, 2022 · US
1,2,4-triazin-3(2h)-one compounds for the treatment of hyperproliferative diseases
US-2021353630-A1 · Nov 18, 2021 · US
Process for the cycloaddition of a hetero(aryl) 1,3-dipole compound with a (hetero)cycloalkyne
US-11168085-B2 · Nov 9, 2021 · US
Picolinamides as fungicides
US-11155520-B2 · Oct 26, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C271/18?
- CPC C07C271/18 is the Cooperative Patent Classification code for “to carbon atoms of hydrocarbon radicals substituted by doubly-bound oxygen atoms.”
- How many patents are filed under CPC C07C271/18 (to carbon atoms of hydrocarbon radicals substituted by doubly-bound oxygen atoms)?
- Our database includes 62 publications tagged with this CPC code.
- Is patent activity under CPC C07C271/18 growing?
- Publication counts under this code: 3 in 2024 vs 4 in 2025 (latest complete years).