Red pigment composition for color filter
US-2021277251-A1 · Sep 9, 2021 · US
Diketopyrrolopyrrole dyes
Diketopyrrolopyrrole 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 | C09B57/004 |
| Official title | {Diketopyrrolopyrrole dyes} |
| Display label | Diketopyrrolopyrrole dyes |
| Total patents | 76 |
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 | 15 |
| 2016 | 12 |
| 2017 | 13 |
| 2018 | 5 |
| 2019 | 10 |
| 2020 | 4 |
| 2021 | 9 |
| 2022 | 4 |
| 2023 | 2 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Semiconducting polymer
US-10815236-B2 · Oct 27, 2020 · US
Coloring composition, cured film, pattern forming method, color filter, solid-state imaging element, and image display device
US-2020239694-A1 · Jul 30, 2020 · US
Dyes, dye-sensitized solar cells, and methods of making and using the same
US-2020231817-A1 · Jul 23, 2020 · US
Nonaqueous ink-jet magenta ink composition
US-10683428-B2 · Jun 16, 2020 · US
Non-aqueous inkjet orange ink composition and ink set using the same
US-10385225-B2 · Aug 20, 2019 · US
Heterocyclic compound and organic solar cell comprising the same
US-10355221-B2 · Jul 16, 2019 · US
Non-aqueous inkjet orange ink composition and ink set using the same
US-2019161632-A1 · May 30, 2019 · US
Nonaqueous ink-jet magenta ink composition
US-2019161634-A1 · May 30, 2019 · US
Composition, cured film, near infrared ray absorption filter, solid-state imaging device, infrared sensor, and compound
US-10273251-B2 · Apr 30, 2019 · US
Near-infrared absorption composition, curable composition, cured film, near-infrared cut filter, solid-state imaging device, infrared sensor, camera module, processed coloring agent, and method of manufacturing processed coloring agent
US-10208212-B2 · Feb 19, 2019 · US
Semiconducting polymer
US-2019048015-A1 · Feb 14, 2019 · US
Dye compounds
US-10202508-B2 · Feb 12, 2019 · US
Display device
US-2019018273-A1 · Jan 17, 2019 · US
Diketopyrrolopyrrole polymers for use in organic semiconductor devices
US-10177313-B2 · Jan 8, 2019 · US
Composition, film, near infrared cut filter, laminate, pattern forming method, solid image pickup element, image display device, infrared sensor, and color filter
US-2018305552-A1 · Oct 25, 2018 · US
Isodiketopyrrolopyrrole dye and use thereof
US-2018226201-A1 · Aug 9, 2018 · US
Organic field effect transistor
US-9978943-B2 · May 22, 2018 · US
Heterocyclic fluorescent dyes and method of production thereof
US-9893302-B2 · Feb 13, 2018 · US
Film, film forming method, solid image pickup element, and infrared sensor
US-2018039171-A1 · Feb 8, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09B57/004?
- CPC C09B57/004 is the Cooperative Patent Classification code for “Diketopyrrolopyrrole dyes.”
- How many patents are filed under CPC C09B57/004 (Diketopyrrolopyrrole dyes)?
- Our database includes 76 publications tagged with this CPC code.
- Is patent activity under CPC C09B57/004 growing?
- Publication counts under this code: 2 in 2023 vs 1 in 2025 (latest complete years).