Method for producing fluorenone
US-12545633-B2 · Feb 10, 2026 · US
in compounds containing six-membered aromatic rings
in compounds 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 | C07C45/36 |
| Official title | in compounds containing six-membered aromatic rings |
| Display label | in compounds containing six-membered aromatic rings |
| Total patents | 33 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 4 |
| 2018 | 2 |
| 2019 | 4 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 6 |
| 2024 | 3 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Alkyl enol ether properfume
US-2025257284-A1 · Aug 14, 2025 · US
Alkyl enol ether properfume
US-12291691-B2 · May 6, 2025 · US
Method for producing fluorenone
US-2025129005-A1 · Apr 24, 2025 · US
Light induced catalytic C—H oxygenation of alkanes
US-12281062-B2 · Apr 22, 2025 · US
Visible-light-mediated one-step method for preparing phenol and cyclohexanone from cyclohexylbenzene
US-2025059120-A1 · Feb 20, 2025 · US
Gas-liquid reaction method
US-2024336553-A1 · Oct 10, 2024 · US
Method for light-promoted oxidation of compound containing saturated carbon-hydrogen bond
US-2024286981-A1 · Aug 29, 2024 · US
Method for monitoring a tube sheet of a heat exchanger
US-2024144465-A1 · May 2, 2024 · US
Method for producing fluorenone
US-2023406800-A1 · Dec 21, 2023 · US
Method for producing fluorenone
US-2023391705-A1 · Dec 7, 2023 · US
Bridged phthalocyanine- and napththalocyanine-metal complex catalysts for oxidation reactions
US-11826740-B2 · Nov 28, 2023 · US
Acid-catalyzed photocatalyzed oxidation reaction of benzylic C—H bonds of aromatic compound
US-11773045-B2 · Oct 3, 2023 · US
Acid-catalyzed photocatalyzed oxidation reaction of benzylic c-h bonds of aromatic compound
US-2023242470-A1 · Aug 3, 2023 · US
Bridged phthalocyanine- and napththalocyanine-metal complex catalysts for oxidation reactions
US-2023040510-A1 · Feb 9, 2023 · US
Light induced catalytic c-h oxygenation of alkanes
US-2022363621-A1 · Nov 17, 2022 · US
Alkyl enol ether properfume
US-2021340462-A1 · Nov 4, 2021 · US
Visible-light-induced direct oxidation method for saturated hydrocarbon bonds
US-11008272-B1 · May 18, 2021 · US
Visible-light-induced direct oxidation method for saturated hydrocarbon bonds
US-2021130276-A1 · May 6, 2021 · US
Antibody-drug conjugate having cyclic benzylidene acetal linker
US-10808050-B2 · Oct 20, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C45/36?
- CPC C07C45/36 is the Cooperative Patent Classification code for “in compounds containing six-membered aromatic rings.”
- How many patents are filed under CPC C07C45/36 (in compounds containing six-membered aromatic rings)?
- Our database includes 33 publications tagged with this CPC code.
- Is patent activity under CPC C07C45/36 growing?
- Publication counts under this code: 3 in 2024 vs 5 in 2025 (latest complete years).