Substrate treating liquid
US-2020411307-A1 · Dec 31, 2020 · US
with the carbon atom of at least one of the oxyimino groups being part of a ring other than a six-membered aromatic ring
with the carbon atom of at least one of the oxyimino groups being part of a ring other than a six-membered aromatic ring · 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 | C07C251/44 |
| Official title | with the carbon atom of at least one of the oxyimino groups being part of a ring other than a six-membered aromatic ring |
| Display label | with the carbon atom of at least one of the oxyimino groups being part of a ring other than a six-membered aromatic ring |
| Total patents | 83 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 17 |
| 2017 | 16 |
| 2018 | 5 |
| 2019 | 7 |
| 2020 | 4 |
| 2021 | 3 |
| 2022 | 5 |
| 2023 | 3 |
| 2024 | 4 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Substituted bicyclic compounds
US-2020281952-A1 · Sep 10, 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
Enamide process
US-10435351-B2 · Oct 8, 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
Substituted bicyclic compounds
US-2019076450-A1 · Mar 14, 2019 · US
Solvent-free green ammoximation process based on film distribution
US-2019040003-A1 · Feb 7, 2019 · US
Substituted bicyclic compounds
US-10166249-B2 · Jan 1, 2019 · US
Power supply device, photochemical reaction device and method in which same is used, and lactam production method
US-2018179148-A1 · Jun 28, 2018 · US
Catalyst, and method for producing oxidation product
US-10005718-B2 · Jun 26, 2018 · US
Method of producing cycloalkanone oxime
US-9932296-B2 · Apr 3, 2018 · US
Alkynes and methods of reacting alkynes with 1,3-dipole-functional compounds
US-9932297-B2 · Apr 3, 2018 · US
4-membered ring carboxamides used as nematicides
US-9867371-B2 · Jan 16, 2018 · US
Alkynes and methods of reacting alkynes with 1,3-dipole-functional compounds
US-2017320815-A1 · Nov 9, 2017 · US
Substituted bicyclic compounds
US-2017304332-A1 · Oct 26, 2017 · US
Photoirradiation device, photoreaction method using the same, and method for producing lactam
US-2017305851-A1 · Oct 26, 2017 · US
Substituted bicyclic compounds
US-9770459-B2 · Sep 26, 2017 · US
Pesticidal compositions and processes related thereto
US-2017267629-A1 · Sep 21, 2017 · US
Three-phase ac/dc converter, photochemical reaction device and method using same, and method for producing lactam
US-2017238381-A1 · Aug 17, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C251/44?
- CPC C07C251/44 is the Cooperative Patent Classification code for “with the carbon atom of at least one of the oxyimino groups being part of a ring other than a six-membered aromatic ring.”
- How many patents are filed under CPC C07C251/44 (with the carbon atom of at least one of the oxyimino groups being part of a ring other than a six-membered aromatic ring)?
- Our database includes 83 publications tagged with this CPC code.
- Is patent activity under CPC C07C251/44 growing?
- Publication counts under this code: 4 in 2024 vs 5 in 2025 (latest complete years).