Preparation method of Co@CM multi-channel ceramic catalytic membrane for hydrogenation of p-nitrophenol
US-12447466-B2 · Oct 21, 2025 · US
of the same non-condensed six-membered aromatic ring
of the same non-condensed six-membered aromatic ring · 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 | C07C215/76 |
| Official title | of the same non-condensed six-membered aromatic ring |
| Display label | of the same non-condensed six-membered aromatic ring |
| Total patents | 33 |
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 | 4 |
| 2017 | 2 |
| 2019 | 4 |
| 2020 | 5 |
| 2021 | 3 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
PREPARATION METHOD OF Co@CM MULTI-CHANNEL CERAMIC CATALYTIC MEMBRANE FOR HYDROGENATION OF p-NITROPHENOL
US-2025281919-A1 · Sep 11, 2025 · US
Antipolymerant compositions with benzoquinone or naphthoquinone and oxygenated aminophenol and methods of using
US-2025092312-A1 · Mar 20, 2025 · US
Class of alkylphenol compounds and preparation method therefor
US-2024351966-A1 · Oct 24, 2024 · US
Oxygenated aminophenol compounds and methods for preventing monomer polymerization
US-11866631-B2 · Jan 9, 2024 · US
Organic positive electrode active material for aqueous redox flow battery
US-11621421-B2 · Apr 4, 2023 · US
Compound and colored resin composition
US-11584852-B2 · Feb 21, 2023 · US
Organic positive electrode active material for aqueous redox flow battery
US-2021336264-A1 · Oct 28, 2021 · US
Process for mono N-alkylation of aminophenol
US-11066354-B2 · Jul 20, 2021 · US
Compound and colored resin composition
US-2021002487-A1 · Jan 7, 2021 · US
Oxygenated aminophenol compounds and methods for preventing monomer polymerization
US-2020339880-A1 · Oct 29, 2020 · US
Novel (poly)amine compound, resin and cured product
US-2020172470-A1 · Jun 4, 2020 · US
Modulators of ATP-binding cassette transporters
US-10662192-B2 · May 26, 2020 · US
Process for mono n-alkylation of aminophenol
US-2020140373-A1 · May 7, 2020 · US
Methods for producing polycyclic aromatic aminophenol compound and resin composition, and polycyclic aromatic aminophenol compound, resin composition, and cured product
US-10577307-B2 · Mar 3, 2020 · US
Method to prepare phenolics from biomass
US-10407376-B2 · Sep 10, 2019 · US
Organic positive electrode active material for aqueous redox flow battery
US-2019221847-A1 · Jul 18, 2019 · US
Methods for producing polycyclic aromatic aminophenol compound and resin composition, and polycyclic aromatic aminophenol compound, resin composition, and cured product
US-2019144372-A1 · May 16, 2019 · US
Modulators of atp-binding cassette transporters
US-2019144450-A1 · May 16, 2019 · US
Transition-metal-free N-arylation of tertiary amines using arynes
US-9650329-B2 · May 16, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C215/76?
- CPC C07C215/76 is the Cooperative Patent Classification code for “of the same non-condensed six-membered aromatic ring.”
- How many patents are filed under CPC C07C215/76 (of the same non-condensed six-membered aromatic ring)?
- Our database includes 33 publications tagged with this CPC code.
- Is patent activity under CPC C07C215/76 growing?
- Publication counts under this code: 2 in 2024 vs 3 in 2025 (latest complete years).