Cyclododecanone and preparation method therefor
US-12509411-B2 · Dec 30, 2025 · US
in three-membered rings
in three-membered 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 | C07C45/58 |
| Official title | in three-membered rings |
| Display label | in three-membered rings |
| Total patents | 45 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 5 |
| 2021 | 7 |
| 2022 | 5 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Abietanes and methods of making and using the same
US-2025154106-A1 · May 15, 2025 · US
Abietanes and methods of making and using the same
US-12221419-B2 · Feb 11, 2025 · US
Isomer-enriched 3-caranlactams and polyamides based thereon with high optical purity and adjustable crystallinity for high-performance applications
US-12152107-B2 · Nov 26, 2024 · US
Laurolactam preparation method and synthesis apparatus
US-12060326-B2 · Aug 13, 2024 · US
Catalyst system
US-2024051907-A1 · Feb 15, 2024 · US
Systems and methods for regioselective carbonylation of 2,2-disubstituted epoxides for the production of alpha,alpha-disubstituted beta-lactones
US-11851416-B2 · Dec 26, 2023 · US
Novel laurolactam preparation method and synthesis apparatus
US-2023073615-A1 · Mar 9, 2023 · US
Aldehyde adduct of hexafluoropropylene oxide, method of manufacturing trifluoropyruvyl fluoride dimer and method of manufacturing perfluoro(2,4-dimethyl-2-fluoroformyl-1,3-dioxolane)
US-11555024-B2 · Jan 17, 2023 · US
Laurolactam preparation method and synthesis apparatus
US-11535591-B2 · Dec 27, 2022 · US
Process for the production of 2-methyl-4-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2-butenal
US-11370738-B2 · Jun 28, 2022 · US
Method for manufacturing cyclododecanone
US-11358923-B2 · Jun 14, 2022 · US
Method for manufacturing cyclododecanone
US-2022064094-A1 · Mar 3, 2022 · US
Novel laurolactam preparation method and synthesis apparatus
US-2022024868-A1 · Jan 27, 2022 · US
Aldehyde adduct of hexafluoropropylene oxide, method of manufacturing trifluoropyruvyl fluoride dimer and method of manufacturing perfluoro(2,4-dimethyl-2-fluoroformyl-1,3-dioxolane)
US-2021214332-A1 · Jul 15, 2021 · US
Method for the continuous production of ketones from epoxides in a fixed bed
US-11034640-B1 · Jun 15, 2021 · US
Method for the continuous production of ketones from epoxides in a fixed bed
US-2021163392-A1 · Jun 3, 2021 · US
Process for the production of 2-methyl-4-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2-butenal
US-2021130277-A1 · May 6, 2021 · US
Method for reactivation of a homogeneous oxidation catalyst
US-10994270-B2 · May 4, 2021 · US
Method for preparation of alkylated or fluoro, chloro and fluorochloro alkylated compounds by heterogeneous cobalt catalysis
US-10968187-B2 · Apr 6, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C45/58?
- CPC C07C45/58 is the Cooperative Patent Classification code for “in three-membered rings.”
- How many patents are filed under CPC C07C45/58 (in three-membered rings)?
- Our database includes 45 publications tagged with this CPC code.
- Is patent activity under CPC C07C45/58 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).