Dark powder dispersion liquid, dark powder dispersion body and colored layer-attached base material
US-12435223-B2 · Oct 7, 2025 · US
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containing nitrogen atoms
containing nitrogen atoms · 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 | C09D157/12 |
| Official title | containing nitrogen atoms |
| Display label | containing nitrogen atoms |
| Total patents | 8 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2018 | 1 |
| 2020 | 1 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Surface-modified inorganic nitride, composition, thermally conductive material, and device with thermally conductive layer
US-12030774-B2 · Jul 9, 2024 · US
Surface treatment liquid and surface treatment method
US-2023295457-A1 · Sep 21, 2023 · US
Surface treatment liquid and hydrophilizing treatment method
US-2023272143-A1 · Aug 31, 2023 · US
Dark powder dispersion liquid, dark powder dispersion body and colored layer-attached base material
US-2023272225-A1 · Aug 31, 2023 · US
Surface-modified inorganic nitride, composition, thermally conductive material, and device with thermally conductive layer
US-2020180957-A1 · Jun 11, 2020 · US
Photo-activated hydrophilic coatings and methods for their preparation and use
US-10023758-B2 · Jul 17, 2018 · US
Photo-activated hydrophilic coatings and methods for their preparation and use
US-2016160072-A1 · Jun 9, 2016 · US