Lyocell fibers and methods of producing the same
US-12577706-B2 · Mar 17, 2026 · US
using reactive dyes
using reactive dyes · Cooperative Patent Classification (CPC)
Textile and paper production, treatment, and products.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | D06P3/66 |
| Official title | using reactive dyes |
| Display label | using reactive dyes |
| Total patents | 39 |
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 | 3 |
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 8 |
| 2020 | 4 |
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 4 |
| 2024 | 3 |
| 2025 | 1 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process and plant for removing dyes from waste textiles
US-2026049447-A1 · Feb 19, 2026 · US
Avoiding stains in dyed cationically modified cotton fabrics
US-2025305211-A1 · Oct 2, 2025 · US
Application of deep eutectic solvent in textile dyeing
US-12123134-B2 · Oct 22, 2024 · US
Process and plant for recycling textiles
US-2024270926-A1 · Aug 15, 2024 · US
Methods for obtaining colored or chromic substrates
US-11920292-B2 · Mar 5, 2024 · US
Fabric, method for producing same and clothing item using same
US-2023276870-A1 · Sep 7, 2023 · US
Lyocell filament lining fabric
US-11686016-B2 · Jun 27, 2023 · US
Application of Deep Eutectic Solvent in Textile Dyeing
US-2023175201-A1 · Jun 8, 2023 · US
Fiber dyeing method using supercritical carbon dioxide fluid as medium
US-11608592-B2 · Mar 21, 2023 · US
Lyocell fibers and methods of producing the same
US-2022380941-A1 · Dec 1, 2022 · US
Methods for obtaining colored or chromic substrates
US-2022259799-A1 · Aug 18, 2022 · US
Denim fabric and its use
US-2022120032-A1 · Apr 21, 2022 · US
Methods for obtaining colored or chromic substrates
US-11293138-B2 · Apr 5, 2022 · US
AZO dye for waterless dyeing of natural fibers in supercritical CO2 fluid, and preparation method thereof
US-11193024-B2 · Dec 7, 2021 · US
A waterless fiber dyeing method using supercritical carbon dioxide fluid as medium
US-2021355632-A1 · Nov 18, 2021 · US
Azo dye for waterless dyeing of natural fibers in supercritical co2 fluid, and preparation method thereof
US-2021332245-A1 · Oct 28, 2021 · US
Lyocell filament lining fabric
US-2020232123-A1 · Jul 23, 2020 · US
Functionalized fibrous material
US-10640918-B2 · May 5, 2020 · US
Reactive dye bath and dyeing process for textiles
US-10604891-B2 · Mar 31, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D06P3/66?
- CPC D06P3/66 is the Cooperative Patent Classification code for “using reactive dyes.”
- How many patents are filed under CPC D06P3/66 (using reactive dyes)?
- Our database includes 39 publications tagged with this CPC code.
- Is patent activity under CPC D06P3/66 growing?
- Publication counts under this code: 3 in 2024 vs 1 in 2025 (latest complete years).