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
by reaction with carbon monoxide
by reaction with carbon monoxide · 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 | C07C45/49 |
| Official title | by reaction with carbon monoxide |
| Display label | by reaction with carbon monoxide |
| Total patents | 70 |
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 | 13 |
| 2017 | 8 |
| 2018 | 5 |
| 2019 | 3 |
| 2020 | 8 |
| 2021 | 5 |
| 2022 | 5 |
| 2023 | 5 |
| 2024 | 5 |
| 2025 | 3 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Catalysts comprising silicon modified nickel
US-11801495-B2 · Oct 31, 2023 · US
Chromium-catalyzed reactions of carbon monoxide with hydrocarbons in the presence of uv light
US-2023321634-A1 · Oct 12, 2023 · US
Organic Catalyst for Non-Aqueous Aldol Condensation
US-2023303473-A1 · Sep 28, 2023 · US
Synthesis of alkynones via carbonylative Sonogashira coupling reactions catalyzed by Pd(II)-N-Heterocyclic carbene-pyridine complexes
US-11691135-B2 · Jul 4, 2023 · US
METHOD FOR PRODUCING m-DIALKYLBENZALDEHYDE
US-2022363622-A1 · Nov 17, 2022 · US
Method for the hydrodeoxygenation of oxygenated compounds to unsaturated products
US-2022356126-A1 · Nov 10, 2022 · US
Process for preparing methacrolein
US-11401229-B2 · Aug 2, 2022 · US
Synthesis of alkynones via carbonylative sonogashira coupling reactions catalyzed by pd(ii)-n-heterocyclic carbene-pyridine complexes
US-2022118435-A1 · Apr 21, 2022 · US
Integrated process for the production of isononanol and gasoline and diesel blending components
US-11236031-B2 · Feb 1, 2022 · US
Process for preparing methacrolein
US-2021403404-A1 · Dec 30, 2021 · US
Catalysts comprising silicon modified nickel
US-2021339230-A1 · Nov 4, 2021 · US
Integrated process for the production of isononanol and gasoline and diesel blending components
US-2021253504-A1 · Aug 19, 2021 · US
Catalysts comprising silicon modified nickel
US-11033882-B2 · Jun 15, 2021 · US
Systems and methods for regioselective carbonylation of 2,2-disubstituted epoxides for the production of alpha,alpha-disubstituted beta-lactones
US-2021024479-A1 · Jan 28, 2021 · US
Processes and intermediates for NEP inhibitor synthesis
US-10851059-B2 · Dec 1, 2020 · US
Process for preparing methacrolein
US-10836699-B2 · Nov 17, 2020 · US
Process of forming 2-(4-isobutyl-2-methylphenyl) propanal
US-10760033-B2 · Sep 1, 2020 · US
Method for producing indancarbaldehyde
US-10737993-B2 · Aug 11, 2020 · US
Process for preparing methacrolein
US-10723685-B2 · Jul 28, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C45/49?
- CPC C07C45/49 is the Cooperative Patent Classification code for “by reaction with carbon monoxide.”
- How many patents are filed under CPC C07C45/49 (by reaction with carbon monoxide)?
- Our database includes 70 publications tagged with this CPC code.
- Is patent activity under CPC C07C45/49 growing?
- Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).