Color matched and bright fluorescent materials composed of small-molecule ionic lattices
US-12415927-B2 · Sep 16, 2025 · US
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of anionic dyes with nitrogen containing compounds
of anionic dyes with nitrogen containing compounds · 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 | C09B69/04 |
| Official title | of anionic dyes with nitrogen containing compounds |
| Display label | of anionic dyes with nitrogen containing compounds |
| Total patents | 13 |
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 | 1 |
| 2016 | 4 |
| 2018 | 4 |
| 2020 | 1 |
| 2022 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Labels comprising dibromopyridazinediones for immunoassays and methods of production and use thereof
US-2024010841-A1 · Jan 11, 2024 · US
Curable composition, cured film, optical filter, laminate, solid image pickup element, image display device, and infrared sensor
US-11236215-B2 · Feb 1, 2022 · US
Color matched and bright fluorescent materials composed of small-molecule ionic lattices
US-2020407628-A1 · Dec 31, 2020 · US
Curable composition, cured film, optical filter, laminate, solid image pickup element, image display device, and infrared sensor
US-2018355149-A1 · Dec 13, 2018 · US
Infrared sensitive color-forming composition, infrared curable color-forming composition, lithographic printing plate precursor and plate making method
US-10022996-B2 · Jul 17, 2018 · US
Anionic direct dye having a tetraalkylammonium counterion, dyeing composition comprising them and method for dyeing keratinous fibres starting from these dyes
US-9968534-B2 · May 15, 2018 · US
Method for preparing a colorant for use in a hot melt ink
US-2018022922-A1 · Jan 25, 2018 · US
Hot melt ink
US-9428662-B2 · Aug 30, 2016 · US
Charged particles
US-9403987-B2 · Aug 2, 2016 · US
Hot melt ink
US-2016215155-A1 · Jul 28, 2016 · US
Methine dyes with large organic counter anion for dye sensitized solar cells
US-2016155575-A1 · Jun 2, 2016 · US
Infrared sensitive color-forming composition, infrared curable color-forming composition, lithographic printing plate precursor and plate making method
US-2015360498-A1 · Dec 17, 2015 · US