Perfume systems
US-2018258371-A1 · Sep 13, 2018 · US
with only carbon-to-carbon double bonds as unsaturation
with only carbon-to-carbon double bonds as unsaturation · 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 | C07C47/21 |
| Official title | with only carbon-to-carbon double bonds as unsaturation |
| Display label | with only carbon-to-carbon double bonds as unsaturation |
| Total patents | 144 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 21 |
| 2016 | 18 |
| 2017 | 14 |
| 2018 | 13 |
| 2019 | 15 |
| 2020 | 17 |
| 2021 | 12 |
| 2022 | 12 |
| 2023 | 8 |
| 2024 | 7 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for producing an olefin by catalytic conversion of at least one alcohol
US-10071937-B2 · Sep 11, 2018 · US
Method of producing optically-active aldehyde
US-10029969-B2 · Jul 24, 2018 · US
Perfume systems
US-9994793-B2 · Jun 12, 2018 · US
7-methyl-3-methylene-7-octenal acetal compound and methods for producing aldehyde compound and ester compound using the same
US-2018155267-A1 · Jun 7, 2018 · US
Process of production of 7,8-dihydro-C15-aldehyde
US-9957228-B2 · May 1, 2018 · US
A method for preparing optically active carbonyl compound
US-2018105477-A1 · Apr 19, 2018 · US
Method for producing asymmetric conjugated diyne compound and method for producing Z,Z-conjugated diene compound using the same
US-9845304-B2 · Dec 19, 2017 · US
Guerbet alcohols and methods for preparing and using same
US-9840449-B2 · Dec 12, 2017 · US
Process of production of 7,8-dihydro-c15-aldehyde
US-2017313654-A1 · Nov 2, 2017 · US
Method of producing aliphatic aldehyde compound having terminal conjugated diene structure and intermediate therefor
US-2017297987-A1 · Oct 19, 2017 · US
Organoleptic compounds
US-9758467-B2 · Sep 12, 2017 · US
Methods and Materials for Producing 7-Carbon Monomers
US-2017218406-A1 · Aug 3, 2017 · US
Process for the preparation of 3,7-dimethylnonan-1-ol
US-9718749-B2 · Aug 1, 2017 · US
Process for producing 2,6-dimethyl-5-hepten-1-al
US-2017183280-A1 · Jun 29, 2017 · US
Isoprene oligomer, polyisoprene, processes for producing these materials, rubber composition, and pneumatic tire
US-9657313-B2 · May 23, 2017 · US
Bisphosphites having 2,4-dimethylphenyl units and use thereof as ligands in hydroformylation
US-2017129838-A1 · May 11, 2017 · US
Organoleptic compounds
US-9643913-B2 · May 9, 2017 · US
Novel compound, and flavor composition and/or fragrance composition containing same
US-2017088503-A1 · Mar 30, 2017 · US
Stereo controlled synthesis of (E,Z)-dienals via tandem Rh(I) catalyzed propargyl claisen rearrangement
US-9573871-B2 · Feb 21, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C47/21?
- CPC C07C47/21 is the Cooperative Patent Classification code for “with only carbon-to-carbon double bonds as unsaturation.”
- How many patents are filed under CPC C07C47/21 (with only carbon-to-carbon double bonds as unsaturation)?
- Our database includes 144 publications tagged with this CPC code.
- Is patent activity under CPC C07C47/21 growing?
- Publication counts under this code: 7 in 2024 vs 6 in 2025 (latest complete years).