Asymmetric pigment
US-12552940-B2 · Feb 17, 2026 · US
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comprising at least one optically active layer with at least one organic material layer, e.g. liquid crystal polymers
comprising at least one optically active layer with at least one organic material layer, e.g. liquid crystal polymers · 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 | C09C1/0075 |
| Official title | {comprising at least one optically active layer with at least one organic material layer, e.g. liquid crystal polymers} |
| Display label | comprising at least one optically active layer with at least one organic material layer, e.g. liquid crystal polymers |
| Total patents | 7 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be declining based on the most recent years.
| Year | Patents |
|---|---|
| 2019 | 2 |
| 2021 | 3 |
| 2022 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Colouring effect pigments and production thereof
US-2022273531-A1 · Sep 1, 2022 · US
Carbon black in effect pigments
US-11034841-B2 · Jun 15, 2021 · US
Asymmetric pigment
US-2021147688-A1 · May 20, 2021 · US
Asymmetric pigment
US-10899930-B2 · Jan 26, 2021 · US
Solvent-less method to manufacture thin film devices
US-2019283070-A1 · Sep 19, 2019 · US
Asymmetric pigment
US-2019153233-A1 · May 23, 2019 · US