1,3-cyclohexanedione derivatives and 1,3-cyclopentanedione derivatives as buffering molecules in non-aqueous solutions
US-12448345-B2 · Oct 21, 2025 · US
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polycyclic
polycyclic · 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 | C07C49/613 |
| Official title | polycyclic |
| Display label | polycyclic |
| Total patents | 13 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 1 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Organic compounds
US-2025178997-A1 · Jun 5, 2025 · US
Spiro Compounds as Malodor Counteracting Ingredients
US-2025066690-A1 · Feb 27, 2025 · US
Spiro compounds as malodor counteracting ingredients
US-12180434-B2 · Dec 31, 2024 · US
Phenanthrene-based compound having high refractive index and preparation method therefor
US-2024317664-A1 · Sep 26, 2024 · US
1,3-cyclohexanedione derivatives and 1,3-cyclopentanedione derivatives as buffering molecules in non-aqueous solutions
US-2024132435-A1 · Apr 25, 2024 · US
Spiro compounds as malodor counteracting ingredients
US-2023159853-A1 · May 25, 2023 · US
Methods for producing cyclic and acyclic ketones
US-10618856-B2 · Apr 14, 2020 · US
Methods for producing cyclic and acyclic ketones
US-2019127292-A1 · May 2, 2019 · US
Methods for producing cyclic and acyclic ketones
US-10207961-B2 · Feb 19, 2019 · US
Methods for producing cyclic and acyclic ketones
US-2018170824-A1 · Jun 21, 2018 · US
Catalysts, ligands and use thereof
US-9636670-B2 · May 2, 2017 · US
Method for the production of 4,4′-[1-(trifluoromethyl)alkylidene]-bis-(2,6-diphenylphenols)
US-RE46151-E · Sep 20, 2016 · US