Triarylmethane compounds
US-12570593-B2 · Mar 10, 2026 · US
the aromatic ring being a naphthalene
the aromatic ring being a naphthalene · 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 | C07C43/202 |
| Official title | {the aromatic ring being a naphthalene} |
| Display label | the aromatic ring being a naphthalene |
| Total patents | 26 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 5 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 3 |
| 2025 | 1 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of manufacturing crystalline and amorphous forms of 6,6′-diphenyl-2,2′-bis(2-hydroxyethoxy)-1,1′-binaphthyl and thermoplastic resin therefrom
US-12540215-B2 · Feb 3, 2026 · US
Light emitting element
US-12543428-B2 · Feb 3, 2026 · US
Thermoplastic resin, method for manufacturing same, and optical lens
US-12516153-B2 · Jan 6, 2026 · US
Thermoplastic resin, method for manufacturing same, and optical lens
US-2025282910-A1 · Sep 11, 2025 · US
Triarylmethane compounds
US-2023391704-A1 · Dec 7, 2023 · US
Triarylmethane compounds
US-11760712-B2 · Sep 19, 2023 · US
Light emitting element
US-2023117065-A1 · Apr 20, 2023 · US
Thermoplastic resin, method for manufacturing same, and optical lens
US-2022243008-A1 · Aug 4, 2022 · US
Thermoplastic resin, method for manufacturing same, and optical lens
US-2022145004-A1 · May 12, 2022 · US
Triarylmethane compounds
US-2021371367-A1 · Dec 2, 2021 · US
Internal electron donor compound for preparing α-olefin polymerization catalyst component
US-11186660-B2 · Nov 30, 2021 · US
Method for producing 1,1′-binaphthyl derivatives and 1,1′-binaphthyl derivatives
US-10611714-B2 · Apr 7, 2020 · US
Internal electron donor compound for preparing alpha-olefin polymerization catalyst component
US-2019218317-A1 · Jul 18, 2019 · US
Internal electron donor compound for preparing α-olefin polymerization catalyst component
US-10287371-B2 · May 14, 2019 · US
Method for producing 1,1'-binaphthyl derivatives and 1,1'-binaphthyl derivatives
US-2019062246-A1 · Feb 28, 2019 · US
Epoxy compound having alkoxysilyl group, method of preparing the same, composition and cured product comprising the same, and uses thereof
US-9896535-B2 · Feb 20, 2018 · US
Low viscosity low volatility lubricating oil base stocks and processes for preparing same
US-9822323-B2 · Nov 21, 2017 · US
Coupling a phenol and an arene using selenium dioxide
US-9771311-B2 · Sep 26, 2017 · US
Low viscosity low volatility lubricating oil base stocks and processes for preparing same
US-2017137734-A1 · May 18, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C43/202?
- CPC C07C43/202 is the Cooperative Patent Classification code for “the aromatic ring being a naphthalene.”
- How many patents are filed under CPC C07C43/202 (the aromatic ring being a naphthalene)?
- Our database includes 26 publications tagged with this CPC code.
- Is patent activity under CPC C07C43/202 growing?
- Publication counts under this code: 3 in 2023 vs 1 in 2025 (latest complete years).