Color matched and bright fluorescent materials composed of small-molecule ionic lattices
US-12415927-B2 · Sep 16, 2025 · US
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Dyestuff salts, e.g. salts of acid dyes with basic dyes
Dyestuff salts, e.g. salts of acid dyes with basic dyes · 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 | C09B69/02 |
| Official title | Dyestuff salts, e.g. salts of acid dyes with basic dyes |
| Display label | Dyestuff salts, e.g. salts of acid dyes with basic dyes |
| Total patents | 23 |
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 | 2 |
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 5 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 4 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
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