Method for converting hydroxyl group of alcohol
US-11407703-B2 · Aug 9, 2022 · 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 | C07C49/203 |
| Official title | with only carbon-to-carbon double bonds as unsaturation |
| Display label | with only carbon-to-carbon double bonds as unsaturation |
| Total patents | 69 |
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 | 12 |
| 2016 | 13 |
| 2017 | 13 |
| 2018 | 7 |
| 2019 | 4 |
| 2020 | 3 |
| 2021 | 6 |
| 2022 | 5 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process of making pseudoionone and hydroxy pseudoionone in aqueous mixtures comprising citral and acetone, comprising adding first and second amounts of hydroxide
US-2022048844-A1 · Feb 17, 2022 · US
(z)-solanone, and preparation process and use thereof
US-11198665-B1 · Dec 14, 2021 · US
(z)-solanone, and preparation process and use thereof
US-2021380517-A1 · Dec 9, 2021 · US
Method for recovery of methacrolein and methanol from methacrolein dimethylacetal
US-11098000-B2 · Aug 24, 2021 · US
6-chromanol derivatives and their synthesis
US-11078178-B2 · Aug 3, 2021 · US
Method for recovery of methacrolein and methanol from methacrolein dimethylacetal
US-2021061746-A1 · Mar 4, 2021 · US
Method for converting hydroxyl group of alcohol
US-2021047254-A1 · Feb 18, 2021 · US
Synthesis of alkyl 2-acetyl-5,9,13-trimethyltetradeca-4,8,12-trienoates and derivatives by a non-continuous production process
US-2020308090-A1 · Oct 1, 2020 · US
6-chromanol derivatives and their synthesis
US-2020190051-A1 · Jun 18, 2020 · US
Methods for producing cyclic and acyclic ketones
US-10618856-B2 · Apr 14, 2020 · US
Renewable ketone waxes with unique carbon chain lengths and polarities
US-10450256-B2 · Oct 22, 2019 · US
Methods for producing cyclic and acyclic ketones
US-2019127292-A1 · May 2, 2019 · US
Renewable ketone waxes with unique carbon chain lengths and polarities
US-2019106371-A1 · Apr 11, 2019 · US
Methods for producing cyclic and acyclic ketones
US-10207961-B2 · Feb 19, 2019 · US
Process for preparing α-damascone
US-10150730-B2 · Dec 11, 2018 · US
Methods for producing fuels, gasoline additives, and lubricants using amine catalysts
US-10138193-B2 · Nov 27, 2018 · US
Method of producing farnesyl acetone
US-10093606-B2 · Oct 9, 2018 · US
Process for preparing alpha-damascone
US-2018244613-A1 · Aug 30, 2018 · US
Perfume systems
US-2018230398-A1 · Aug 16, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C49/203?
- CPC C07C49/203 is the Cooperative Patent Classification code for “with only carbon-to-carbon double bonds as unsaturation.”
- How many patents are filed under CPC C07C49/203 (with only carbon-to-carbon double bonds as unsaturation)?
- Our database includes 69 publications tagged with this CPC code.
- Is patent activity under CPC C07C49/203 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).