One-way circularly polarized light generated by propagation through Ch-GLC films doped with light-absorbing dyes
US-12461297-B2 · Nov 4, 2025 · US
only amino and hydroxy groups · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C09B1/5035 |
| Official title | {only amino and hydroxy groups} |
| Display label | only amino and hydroxy groups |
| Total patents | 6 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2020 | 1 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12461297-B2 · Nov 4, 2025 · US
US-12164182-B2 · Dec 10, 2024 · US
US-11591475-B2 · Feb 28, 2023 · US
US-2022268982-A1 · Aug 25, 2022 · US
US-2022075210-A1 · Mar 10, 2022 · US
US-2020239691-A1 · Jul 30, 2020 · US