Triarylmethane compounds
US-12570593-B2 · Mar 10, 2026 · US
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Carboxylic acid nitriles (cyanogen or compounds thereof C01C3/00)
Carboxylic acid nitriles (cyanogen or compounds thereof C01C3/00) · 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 | C07C255/00 |
| Official title | Carboxylic acid nitriles (cyanogen or compounds thereof C01C3/00) |
| Display label | Carboxylic acid nitriles (cyanogen or compounds thereof C01C3/00) |
| Total patents | 16 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 2 |
| 2023 | 9 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Triarylmethane compounds
US-2023391704-A1 · Dec 7, 2023 · US
Circularly polarized oled emitting layer composition
US-2023397490-A1 · Dec 7, 2023 · US
Inhibitors of RNA guided nucleases and uses thereof
US-11787795-B2 · Oct 17, 2023 · US
Materials for organic electroluminescent devices
US-11767299-B2 · Sep 26, 2023 · US
Triarylmethane compounds
US-11760712-B2 · Sep 19, 2023 · US
Cannabinoid derivatives
US-2023286906-A1 · Sep 14, 2023 · US
Methods for modulating rna splicing
US-2023272367-A1 · Aug 31, 2023 · US
Methods for modulating RNA splicing
US-11702646-B2 · Jul 18, 2023 · US
Process to treat metal or mineral ores and collector composition therefor
US-11548012-B2 · Jan 10, 2023 · US
Triarylmethane compounds
US-2021371367-A1 · Dec 2, 2021 · US
Process to treat metal or mineral ores and collector composition therefor
US-2021197210-A1 · Jul 1, 2021 · US
Materials for organic electroluminescent devices
US-2020190039-A1 · Jun 18, 2020 · US
Ammoxidation catalyst with selective co-product HCN production
US-10626082-B2 · Apr 21, 2020 · US
Methods for modulating rna splicing
US-2019330615-A1 · Oct 31, 2019 · US
Ammoxidation catalyst with selective co-product hcn production
US-2018099925-A1 · Apr 12, 2018 · US