Yellow and magenta donor formulations for increased red vividness
US-12528946-B2 · Jan 20, 2026 · US
Dyes containing one or more carbon-to-nitrogen double bonds, e.g. azomethine
Dyes containing one or more carbon-to-nitrogen double bonds, e.g. azomethine · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B41M5/39 |
| Official title | Dyes containing one or more carbon-to-nitrogen double bonds, e.g. azomethine |
| Display label | Dyes containing one or more carbon-to-nitrogen double bonds, e.g. azomethine |
| Total patents | 39 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 3 |
| 2017 | 6 |
| 2018 | 5 |
| 2019 | 7 |
| 2020 | 6 |
| 2021 | 4 |
| 2022 | 1 |
| 2024 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Yellow and magenta donor formulations for increased red vividness
US-2024343908-A1 · Oct 17, 2024 · US
Compound, ink, resist composition for color filter, color filter, sheet for thermal transfer recording, and toner
US-12098288-B2 · Sep 24, 2024 · US
Thermal transfer recording sheet
US-2024025197-A1 · Jan 25, 2024 · US
Compound, ink, resist composition for color filter, sheet for heat-sensitive transfer recording, and toner
US-11472962-B2 · Oct 18, 2022 · US
Thermal transfer recording sheet
US-11097566-B2 · Aug 24, 2021 · US
Compound, liquid composition, thermal transfer recording sheet, toner, resist composition for color filter, and color filter
US-11021436-B2 · Jun 1, 2021 · US
Compound, ink, resist composition for color filter, color filter, sheet for thermal transfer recording, and toner
US-2021115259-A1 · Apr 22, 2021 · US
Thermal transfer recording medium
US-10913302-B2 · Feb 9, 2021 · US
Compound, liquid composition, thermal transfer recording sheet, toner, resist composition for color filter, and color filter
US-2020347007-A1 · Nov 5, 2020 · US
Compound, ink, resist composition for color filter, sheet for heat-sensitive transfer recording, and toner
US-2020339814-A1 · Oct 29, 2020 · US
Thermal transfer recording sheet
US-10647142-B2 · May 12, 2020 · US
Thermal transfer sheet, coating liquid for colorant layer, method for manufacturing thermal transfer sheet, and image forming method
US-2020062016-A1 · Feb 27, 2020 · US
Thermal transfer recording medium
US-2020039272-A1 · Feb 6, 2020 · US
Thermal transfer sheet, coating liquid for colorant layer, method for manufacturing thermal transfer sheet, and image forming method
US-10525757-B2 · Jan 7, 2020 · US
Sublimation thermal transfer sheet, and combination of sublimation thermal transfer sheet and transfer receiving article
US-2019263166-A1 · Aug 29, 2019 · US
Thermal transfer recording sheet
US-2019217648-A1 · Jul 18, 2019 · US
Sublimation thermal transfer sheet and combination of sublimation thermal transfer sheet and transfer receiving article
US-2019105933-A1 · Apr 11, 2019 · US
Sublimation thermal transfer sheet and combination of sublimation thermal transfer sheet and transfer receiving article
US-2019105934-A1 · Apr 11, 2019 · US
Thermal transfer recording sheet set and image forming method
US-10195886-B2 · Feb 5, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B41M5/39?
- CPC B41M5/39 is the Cooperative Patent Classification code for “Dyes containing one or more carbon-to-nitrogen double bonds, e.g. azomethine.”
- How many patents are filed under CPC B41M5/39 (Dyes containing one or more carbon-to-nitrogen double bonds, e.g. azomethine)?
- Our database includes 39 publications tagged with this CPC code.
- Is patent activity under CPC B41M5/39 growing?
- Publication counts under this code: 1 in 2022 vs 3 in 2024 (latest complete years).