Optical sheet and optical component
US-12442954-B2 · Oct 14, 2025 · US
in which the coupling component is a hydroxy or polyhydroxy compound · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C09B35/023 |
| Official title | in which the coupling component is a hydroxy or polyhydroxy compound |
| Display label | in which the coupling component is a hydroxy or polyhydroxy compound |
| Total patents | 5 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2018 | 1 |
| 2019 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12442954-B2 · Oct 14, 2025 · US
US-2024150601-A1 · May 9, 2024 · US
US-2023011467-A1 · Jan 12, 2023 · US
US-10442931-B2 · Oct 15, 2019 · US
US-2018355179-A1 · Dec 13, 2018 · US