Novel compounds and their applications
US-2024401112-A1 · Dec 5, 2024 · US
derived from triarylmethanes {, i.e. central C-atom is substituted by amino, cyano, alkyl}
derived from triarylmethanes {, i.e. central C-atom is substituted by amino, cyano, alkyl} · 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 | C09B11/04 |
| Official title | derived from triarylmethanes {, i.e. central C-atom is substituted by amino, cyano, alkyl} |
| Display label | derived from triarylmethanes {, i.e. central C-atom is substituted by amino, cyano, alkyl} |
| Total patents | 32 |
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 | 3 |
| 2016 | 2 |
| 2017 | 4 |
| 2018 | 3 |
| 2019 | 4 |
| 2020 | 5 |
| 2021 | 1 |
| 2022 | 5 |
| 2023 | 3 |
| 2024 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Near infrared dyes for biological imaging and optoelectronic devices
US-2024124714-A1 · Apr 18, 2024 · US
Thermochromic pigment composition
US-11629256-B2 · Apr 18, 2023 · US
Dyes, dye-sensitized solar cells, and methods of making and using the same
US-11613653-B2 · Mar 28, 2023 · US
Thermal marking of 3D printed objects
US-11565462-B2 · Jan 31, 2023 · US
Aromatic amine derivative, and organic electroluminescent element using same
US-11444246-B2 · Sep 13, 2022 · US
Aromatic amine derivative, and organic electroluminescent element using same
US-2022285620-A1 · Sep 8, 2022 · US
Aromatic amine derivative, and organic electroluminescent element using same
US-11362279-B2 · Jun 14, 2022 · US
Reactive leuco compounds and compositions comprising the same
US-11299634-B2 · Apr 12, 2022 · US
Thermal marking of 3d printed objects
US-2022072762-A1 · Mar 10, 2022 · US
Liquid crystal display apparatus
US-11079627-B2 · Aug 3, 2021 · US
Resin composition, resin sheet, cured resin product, resin substrate, and laminate substrate
US-2020377647-A1 · Dec 3, 2020 · US
Aromatic amine derivative, and organic electroluminescent element using same
US-2020321526-A1 · Oct 8, 2020 · US
Aromatic amine derivative, and organic electroluminescent element using same
US-2020313090-A1 · Oct 1, 2020 · US
Dyes, dye-sensitized solar cells, and methods of making and using the same
US-2020231817-A1 · Jul 23, 2020 · US
Color-changing adhesive composition
US-10590312-B2 · Mar 17, 2020 · US
Thermochromic pigment composition
US-2019382585-A1 · Dec 19, 2019 · US
Liquid crystal display apparatus
US-2019235318-A1 · Aug 1, 2019 · US
Liquid crystal display apparatus
US-10261360-B2 · Apr 16, 2019 · US
Polyfunctional polymerizable compound and colored composition
US-2019062561-A1 · Feb 28, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09B11/04?
- CPC C09B11/04 is the Cooperative Patent Classification code for “derived from triarylmethanes {, i.e. central C-atom is substituted by amino, cyano, alkyl}.”
- How many patents are filed under CPC C09B11/04 (derived from triarylmethanes {, i.e. central C-atom is substituted by amino, cyano, alkyl})?
- Our database includes 32 publications tagged with this CPC code.
- Is patent activity under CPC C09B11/04 growing?
- Publication counts under this code: 3 in 2023 vs 2 in 2024 (latest complete years).