Process for preparing unsaturated aldehydes
US-2025171390-A1 · May 29, 2025 · US
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having unsaturation outside the aromatic rings
having unsaturation outside the aromatic rings · 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 | C07C47/232 |
| Official title | having unsaturation outside the aromatic rings |
| Display label | having unsaturation outside the aromatic rings |
| Total patents | 22 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 2 |
| 2024 | 5 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for preparing gamma,delta-unsaturated aldehydes derivatives
US-2025154090-A1 · May 15, 2025 · US
Aldehyde compound and method for producing same, and fragrance composition
US-12116338-B2 · Oct 15, 2024 · US
Hydrogenation of dienals or dienones with rhodium complexes under carbon monoxide free atmosphere
US-2024208891-A1 · Jun 27, 2024 · US
Aryl/alkenyl-pentenal derivatives as aroma chemicals
US-2024199519-A1 · Jun 20, 2024 · US
2-(2-(3-methylbut-2-en-1yl)phenyl) propanal and mixtures thereof as aroma ingredient
US-2024199520-A1 · Jun 20, 2024 · US
Aldehyde compound and method for producing same, and fragrance composition
US-2024158331-A1 · May 16, 2024 · US
Compounds reducing malodour perception and the use thereof
US-2022378675-A1 · Dec 1, 2022 · US
Compounds reducing malodour perception and the use thereof
US-11382848-B2 · Jul 12, 2022 · US
Method for preparing α,β-unsaturated aldehyde
US-10981853-B2 · Apr 20, 2021 · US
METHOD FOR PREPARING a,ß-UNSATURATED ALDEHYDE
US-2020347003-A1 · Nov 5, 2020 · US
Process of forming 2-(4-isobutyl-2-methylphenyl) propanal
US-10760033-B2 · Sep 1, 2020 · US
Pro-fragrance compounds
US-10752862-B2 · Aug 25, 2020 · US
Compounds reducing malodour perception and the use thereof
US-2019374451-A1 · Dec 12, 2019 · US
Method of producing organic compound
US-10351512-B2 · Jul 16, 2019 · US
Method for preparing optically active carbonyl compound
US-10065901-B2 · Sep 4, 2018 · US
A method for preparing optically active carbonyl compound
US-2018105477-A1 · Apr 19, 2018 · US
Pro-fragrance compounds
US-9718753-B2 · Aug 1, 2017 · US
Organic compounds
US-9708570-B2 · Jul 18, 2017 · US
Stereo controlled synthesis of (E,Z)-dienals via tandem Rh(I) catalyzed propargyl claisen rearrangement
US-9573871-B2 · Feb 21, 2017 · US