Process for purification of a mixture including diols and acetals
US-2024294451-A1 · Sep 5, 2024 · US
in five-membered rings (from ozonides C07C45/40)
in five-membered rings (from ozonides C07C45/40) · 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 | C07C45/59 |
| Official title | in five-membered rings (from ozonides C07C45/40) |
| Display label | in five-membered rings (from ozonides C07C45/40) |
| Total patents | 68 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 11 |
| 2017 | 13 |
| 2018 | 7 |
| 2019 | 2 |
| 2021 | 5 |
| 2022 | 6 |
| 2023 | 8 |
| 2024 | 5 |
| 2025 | 6 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
One-pot process for catalytically converting biomass to prepare 2,5-hexanedione
US-2024262771-A1 · Aug 8, 2024 · US
Polymer compound comprising biomass-derived cyclic monomer and preparation method therefor
US-12043700-B2 · Jul 23, 2024 · US
Cyclopentenones derivatives and their use as antibiotics
US-2024092716-A1 · Mar 21, 2024 · US
Production of aromatic acids and phenolics
US-2024067593-A1 · Feb 29, 2024 · US
Process for preparing 3-(cyclohex-1-en-1-yl)propanal derivatives
US-2023365523-A1 · Nov 16, 2023 · US
Method for preparing 1,3-cyclopentanediol
US-2023286887-A1 · Sep 14, 2023 · US
Acetal compounds and processes for preparing thereof, and processes for preparing aldehyde compounds from the acetal compounds
US-11661390-B2 · May 30, 2023 · US
Two-step synthesis of pyrrole compounds from furan compounds
US-11608317-B2 · Mar 21, 2023 · US
Acetal compounds and processes for preparing thereof, and processes for preparing aldehyde compounds from the acetal compounds
US-2023062627-A1 · Mar 2, 2023 · US
Production of benzene derivatives
US-2023050418-A1 · Feb 16, 2023 · US
System and method for making fuels
US-11565983-B1 · Jan 31, 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
Polymer compound comprising biomass-derived cyclic monomer and preparation method therefor
US-2022356299-A1 · Nov 10, 2022 · US
Two-step synthesis of pyrrole compounds from furan compounds
US-2022298109-A1 · Sep 22, 2022 · US
Method of Depolymerising Phenolic Polymers
US-2022227694-A1 · Jul 21, 2022 · US
Methods of depolymerizing lignin
US-2022127217-A1 · Apr 28, 2022 · US
System and method for making fuels
US-11306039-B1 · Apr 19, 2022 · US
Lignin depolymerisation and deoxygenation process for obtaining aromatic compounds and their catalytic reaction composition
US-2022056236-A1 · Feb 24, 2022 · US
Lignin depolymerisation and doxygenation process for obtaining aromatic compounds and their catalytic reaction composition
US-11180628-B2 · Nov 23, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C45/59?
- CPC C07C45/59 is the Cooperative Patent Classification code for “in five-membered rings (from ozonides C07C45/40).”
- How many patents are filed under CPC C07C45/59 (in five-membered rings (from ozonides C07C45/40))?
- Our database includes 68 publications tagged with this CPC code.
- Is patent activity under CPC C07C45/59 growing?
- Publication counts under this code: 5 in 2024 vs 6 in 2025 (latest complete years).