Core-shell compound, photosensitive resin composition including the same, photosensitive resin layer, color filter, and CMOS image sensor
US-12509588-B2 · Dec 30, 2025 · US
Amines or polyamines, e.g. aminopropyl, 1,3,4,-triamino-pentyl or polyethylene imine · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C09B68/446 |
| Official title | {Amines or polyamines, e.g. aminopropyl, 1,3,4,-triamino-pentyl or polyethylene imine} |
| Display label | Amines or polyamines, e.g. aminopropyl, 1,3,4,-triamino-pentyl or polyethylene imine |
| Total patents | 15 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2017 | 2 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 1 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12509588-B2 · Dec 30, 2025 · US
US-2023002618-A1 · Jan 5, 2023 · US
US-11390752-B2 · Jul 19, 2022 · US
US-11276833-B2 · Mar 15, 2022 · US
US-2021148567-A1 · May 20, 2021 · US
US-2020313105-A1 · Oct 1, 2020 · US
US-2020239694-A1 · Jul 30, 2020 · US
US-2019119501-A1 · Apr 25, 2019 · US
US-9765163-B2 · Sep 19, 2017 · US
US-9597405-B2 · Mar 21, 2017 · US
US-2015335760-A1 · Nov 26, 2015 · US
US-2015299468-A1 · Oct 22, 2015 · US
US-2015079514-A1 · Mar 19, 2015 · US
US-8945513-B2 · Feb 3, 2015 · US
US-8927648-B2 · Jan 6, 2015 · US