Colored fiber, method for manufacturing colored fiber, and fiber product
US-2025027232-A1 · Jan 23, 2025 · US
Heterocyclic components
Heterocyclic components · 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 | C09B31/14 |
| Official title | Heterocyclic components |
| Display label | Heterocyclic components |
| Total patents | 26 |
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 | 6 |
| 2016 | 1 |
| 2017 | 5 |
| 2018 | 4 |
| 2019 | 6 |
| 2020 | 2 |
| 2021 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Compound, coloring composition, ink, toner, coloring resin composition, and composition for dyeing fiber
US-2021214560-A1 · Jul 15, 2021 · US
Coloring composition, light absorption anisotropic film, laminate, and image display device
US-10745507-B2 · Aug 18, 2020 · US
Composition
US-10731078-B2 · Aug 4, 2020 · US
Optical film
US-10501480-B2 · Dec 10, 2019 · US
Agents for dyeing keratin fibers, containing at least one dimeric, dicationic azo dye and at least one anionic and/or cationic surfactant
US-10413498-B2 · Sep 17, 2019 · US
Agents for dyeing keratin fibres, containing at least one dimeric, dicationic azo dye with special substitution pattern
US-10406089-B2 · Sep 10, 2019 · US
Particles for electrophoretic displays
US-10344167-B2 · Jul 9, 2019 · US
Carrier fluid compounds and dye compounds for electrowetting apparatus
US-10338372-B2 · Jul 2, 2019 · US
Azo compound, use thereof and method for preparing same
US-10167391-B2 · Jan 1, 2019 · US
Coloring composition, light absorption anisotropic film, laminate, and image display device
US-2018346633-A1 · Dec 6, 2018 · US
Dichroic dye compound, dichroic dye composition, light-absorbing anisotropic film, polarizing element, and image display device
US-2018265707-A1 · Sep 20, 2018 · US
Particles for electrophoretic displays
US-2018037742-A1 · Feb 8, 2018 · US
Composition
US-2018030354-A1 · Feb 1, 2018 · US
Optical film
US-2017305930-A1 · Oct 26, 2017 · US
Agents for dyeing keratin fibers, containing at least one dimeric, dicationic azo dye and at least one anionic and/or cationic surfactant
US-2017266094-A1 · Sep 21, 2017 · US
Agents for dyeing keratin fibres, containing at least one dimeric, dicationic azo dye with special substitution pattern
US-2017266093-A1 · Sep 21, 2017 · US
Azo compound, ink containing azo compound, display including said ink and electronic paper
US-9708498-B2 · Jul 18, 2017 · US
Novel azo compound, use thereof and method for preparing same
US-2017016050-A1 · Jan 19, 2017 · US
Colorant compounds
US-9309410-B2 · Apr 12, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09B31/14?
- CPC C09B31/14 is the Cooperative Patent Classification code for “Heterocyclic components.”
- How many patents are filed under CPC C09B31/14 (Heterocyclic components)?
- Our database includes 26 publications tagged with this CPC code.
- Is patent activity under CPC C09B31/14 growing?
- Publication counts under this code: 1 in 2021 vs 1 in 2025 (latest complete years).