Laurolactam preparation method and synthesis apparatus
US-12060326-B2 · Aug 13, 2024 · US
of oximes
of oximes · 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 | C07C249/04 |
| Official title | of oximes |
| Display label | of oximes |
| Total patents | 49 |
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 | 4 |
| 2016 | 7 |
| 2017 | 12 |
| 2018 | 6 |
| 2019 | 5 |
| 2020 | 7 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and mixture to form functionalized cyclic compounds
US-11697634-B2 · Jul 11, 2023 · US
Novel laurolactam preparation method and synthesis apparatus
US-2023073615-A1 · Mar 9, 2023 · US
Laurolactam preparation method and synthesis apparatus
US-11535591-B2 · Dec 27, 2022 · US
Novel laurolactam preparation method and synthesis apparatus
US-2022024868-A1 · Jan 27, 2022 · US
Composition, production method for composition, and production method for unsaturated compound
US-2021276943-A1 · Sep 9, 2021 · US
Method and mixture to form functionalized cyclic compounds
US-2021269391-A1 · Sep 2, 2021 · US
Method and mixture to form functionalized cyclic compounds
US-11053189-B2 · Jul 6, 2021 · US
Directed β-C(sp3)#H iodination and arylation of ketones
US-10875822-B2 · Dec 29, 2020 · US
Method and mixture to form functionalized cyclic compounds
US-2020308101-A1 · Oct 1, 2020 · US
Directed Beta-C(sp3)–H Iodination and Arylation of Ketones
US-2020255363-A1 · Aug 13, 2020 · US
Propellane derivates and synthesis
US-10654812-B2 · May 19, 2020 · US
Synthetic intermediate of 1-(2-deoxy-2-fluoro-4-thio-β-D-arabinofuranosyl)cytosine, synthetic intermediate of thionucleoside, and method for producing the same
US-10570112-B2 · Feb 25, 2020 · US
Metal-organic hybrid structures built with multi-directional polydentate ligands
US-10556886-B2 · Feb 11, 2020 · US
Ammoximation reactor for cyclohexanone oxime production
US-10525429-B2 · Jan 7, 2020 · US
Power supply device, photochemical reaction device and method in which same is used, and lactam production method
US-10448537-B2 · Oct 15, 2019 · US
Photochemical reaction device, photochemical reaction method using same, and lactam production method using said method
US-10414724-B2 · Sep 17, 2019 · US
Solvent-free green ammoximation process based on film distribution
US-10252985-B2 · Apr 9, 2019 · US
Metal-organic hybrid structures built with multi-directional polydentate ligands
US-2019077788-A1 · Mar 14, 2019 · US
Solvent-free green ammoximation process based on film distribution
US-2019040003-A1 · Feb 7, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C249/04?
- CPC C07C249/04 is the Cooperative Patent Classification code for “of oximes.”
- How many patents are filed under CPC C07C249/04 (of oximes)?
- Our database includes 49 publications tagged with this CPC code.
- Is patent activity under CPC C07C249/04 growing?
- Publication counts under this code: 2 in 2023 vs 1 in 2024 (latest complete years).