Asymmetric pigment
US-12552940-B2 · Feb 17, 2026 · US
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comprising at least one light-absorbing layer
comprising at least one light-absorbing layer · 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 | C09C1/0057 |
| Official title | {comprising at least one light-absorbing layer} |
| Display label | comprising at least one light-absorbing layer |
| Total patents | 17 |
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 | 1 |
| 2017 | 4 |
| 2019 | 3 |
| 2021 | 4 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pigment including a metal core, organic layer, and an inorganic layer
US-12486404-B2 · Dec 2, 2025 · US
Pigment including a metal core, organic layer, and an inorganic layer
US-2024199885-A1 · Jun 20, 2024 · US
Pigment including a metal core, organic layer, and an inorganic layer
US-11898041-B2 · Feb 13, 2024 · US
Pigment including a metal core, organic layer, and an inorganic layer
US-2023312933-A1 · Oct 5, 2023 · US
Pigment mixture
US-2021145711-A1 · May 20, 2021 · US
Asymmetric pigment
US-2021147688-A1 · May 20, 2021 · US
Metameric security devices
US-11007808-B2 · May 18, 2021 · US
Asymmetric pigment
US-10899930-B2 · Jan 26, 2021 · US
Metameric security devices
US-2019225006-A1 · Jul 25, 2019 · US
Optical security device comprising a layer having a microstructured surface and a dielectric layer filling in or complementary to the microstructured surface
US-10300729-B2 · May 28, 2019 · US
Asymmetric pigment
US-2019153233-A1 · May 23, 2019 · US
Pigment mixture
US-2017290750-A1 · Oct 12, 2017 · US
Pigment with photocatalytic activity, method for the production thereof and coating agent
US-9701845-B2 · Jul 11, 2017 · US
Security device
US-2017087918-A1 · Mar 30, 2017 · US
Multi color-shifting devices comprising a layer having a microstructured surface and a dielectric non-conforming layer
US-9561682-B2 · Feb 7, 2017 · US
Pigment with Photocatalytic Activity, Method for the Production Thereof and Coating Agent
US-2015291799-A1 · Oct 15, 2015 · US