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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containing six-membered aromatic rings
containing six-membered aromatic rings · 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 | C07C49/657 |
| Official title | containing six-membered aromatic rings |
| Display label | containing six-membered aromatic rings |
| Total patents | 15 |
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 | 2 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
1,3-cyclohexanedione derivatives and 1,3-cyclopentanedione derivatives as buffering molecules in non-aqueous solutions
US-2024132435-A1 · Apr 25, 2024 · US
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Catalysts, ligands and use thereof
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Asymmetric synthesis of organic compounds
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Organic compound and organic light emitting device having the same
US-8963813-B2 · Feb 24, 2015 · US