Aqueous additive solution for ink composition, aqueous colorant solution for ink composition, ink composition, ink composition for ink jet recording, and ink jet recording method
US-12404417-B2 · Sep 2, 2025 · US
Benz-azabenzanthrones (anthrapyridones) · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C09B5/14 |
| Official title | Benz-azabenzanthrones (anthrapyridones) |
| Display label | Benz-azabenzanthrones (anthrapyridones) |
| Total patents | 22 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 4 |
| 2019 | 3 |
| 2020 | 2 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12404417-B2 · Sep 2, 2025 · US
US-2024018376-A1 · Jan 18, 2024 · US
US-11598495-B2 · Mar 7, 2023 · US
US-11453792-B2 · Sep 27, 2022 · US
US-10689535-B2 · Jun 23, 2020 · US
US-2020173616-A1 · Jun 4, 2020 · US
US-10472495-B2 · Nov 12, 2019 · US
US-2019330486-A1 · Oct 31, 2019 · US
US-10317794-B2 · Jun 11, 2019 · US
US-2018346743-A1 · Dec 6, 2018 · US
US-2018127566-A1 · May 10, 2018 · US
US-2018022922-A1 · Jan 25, 2018 · US
US-9868849-B2 · Jan 16, 2018 · US
US-2017010530-A1 · Jan 12, 2017 · US
US-9428662-B2 · Aug 30, 2016 · US
US-2016215155-A1 · Jul 28, 2016 · US
US-9052458-B2 · Jun 9, 2015 · US
US-9023139-B2 · May 5, 2015 · US
US-9023138-B2 · May 5, 2015 · US
US-9011589-B2 · Apr 21, 2015 · US