Novel compounds and their applications
US-2024401112-A1 · Dec 5, 2024 · US
Hydroxy derivatives of triarylmethanes in which at least one OH group is bound to an aryl nucleus {and their ethers or esters} · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C09B11/06 |
| Official title | Hydroxy derivatives of triarylmethanes in which at least one OH group is bound to an aryl nucleus {and their ethers or esters} |
| Display label | Hydroxy derivatives of triarylmethanes in which at least one OH group is bound to an aryl nucleus {and their ethers or esters} |
| Total patents | 44 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 6 |
| 2017 | 1 |
| 2018 | 7 |
| 2019 | 4 |
| 2020 | 10 |
| 2021 | 5 |
| 2022 | 1 |
| 2023 | 4 |
| 2024 | 4 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2024401112-A1 · Dec 5, 2024 · US
US-2024319202-A1 · Sep 26, 2024 · US
US-2024209439-A1 · Jun 27, 2024 · US
US-11939350-B2 · Mar 26, 2024 · US
US-2023133211-A1 · May 4, 2023 · US
US-11613513-B2 · Mar 28, 2023 · US
US-2023052551-A1 · Feb 16, 2023 · US
US-2023028318-A1 · Jan 26, 2023 · US
US-11480877-B2 · Oct 25, 2022 · US
US-11053460-B2 · Jul 6, 2021 · US
US-11053461-B2 · Jul 6, 2021 · US
US-11008297-B2 · May 18, 2021 · US
US-2021079034-A1 · Mar 18, 2021 · US
US-2021071003-A1 · Mar 11, 2021 · US
US-10875886-B2 · Dec 29, 2020 · US
US-10851329-B2 · Dec 1, 2020 · US
US-2020362174-A1 · Nov 19, 2020 · US
US-2020316975-A1 · Oct 8, 2020 · US
US-2020283703-A1 · Sep 10, 2020 · US
US-2020247739-A1 · Aug 6, 2020 · US
Answers are generated from the same data shown on this page.