Anthraquinone compound, liquid crystal composition containing said compound, and dimming element
US-2025304531-A1 · Oct 2, 2025 · US
with the sulfur atom of the thio group bound to a carbon atom of a six-membered aromatic ring being part of a condensed ring system · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07C323/38 |
| Official title | with the sulfur atom of the thio group bound to a carbon atom of a six-membered aromatic ring being part of a condensed ring system |
| Display label | with the sulfur atom of the thio group bound to a carbon atom of a six-membered aromatic ring being part of a condensed ring system |
| Total patents | 8 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 1 |
| 2024 | 2 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025304531-A1 · Oct 2, 2025 · US
US-12172951-B2 · Dec 24, 2024 · US
US-2024140907-A1 · May 2, 2024 · US
US-10450508-B2 · Oct 22, 2019 · US
US-9954190-B2 · Apr 24, 2018 · US
US-2017210990-A1 · Jul 27, 2017 · US
US-9688625-B2 · Jun 27, 2017 · US
US-2017022155-A1 · Jan 26, 2017 · US