Methods of imparting color to nylon substrates
US-12516471-B1 · Jan 6, 2026 · US
using acid dyes
using acid 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 | D06P3/241 |
| Official title | {using acid dyes} |
| Display label | using acid dyes |
| Total patents | 34 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 4 |
| 2021 | 2 |
| 2022 | 5 |
| 2023 | 4 |
| 2024 | 4 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Polyamide 5X staple fiber
US-12359351-B2 · Jul 15, 2025 · US
Sheet material and method for producing same
US-12338575-B2 · Jun 24, 2025 · US
Antimicrobial polymer resins, fibers, and yarns with phosphorus content
US-2025136811-A1 · May 1, 2025 · US
Antimicrobial polymer resins, fibers, and yarns with phosphorus content
US-12215225-B2 · Feb 4, 2025 · US
Trichromatic fiber dyeing processes and compositions thereof
US-12152343-B1 · Nov 26, 2024 · US
Process for producing dyed mixed fibres, dyed mixed fibre yarns and/or dyed mixed fibre textile fabrics
US-11913168-B2 · Feb 27, 2024 · US
Multicolored tufted textiles and methods of making the same
US-2024052540-A1 · Feb 15, 2024 · US
Multicolor polyester fabric and methods of manufacturing same
US-2024026604-A1 · Jan 25, 2024 · US
Continuous linear substrate infusion
US-11718955-B2 · Aug 8, 2023 · US
Antimicrobial polymer resins, fibers, and yarns with phosphorus content
US-2023065257-A1 · Mar 2, 2023 · US
Polyamide 5x staple fiber, preparation method therefor, and use thereof
US-2023012061-A1 · Jan 12, 2023 · US
Sheet material and method for producing same
US-2023009350-A1 · Jan 12, 2023 · US
Sheet material and method for producing same
US-2022380976-A1 · Dec 1, 2022 · US
Process for producing dyed mixed fibres, dyed mixed fibre yarns and/or dyed mixed fibre textile fabrics
US-2022372699-A1 · Nov 24, 2022 · US
Antimicrobial polymer resins, fibers, and yarns with phosphorus content
US-11505701-B2 · Nov 22, 2022 · US
Polyamide fibers, method for producing same and fiber structure
US-2022267598-A1 · Aug 25, 2022 · US
Transfer paper
US-11313076-B2 · Apr 26, 2022 · US
Multispectral camouflage fabric
US-11118869-B1 · Sep 14, 2021 · US
Ink jet ink composition for textile printing, ink set, and recording method
US-10894896-B2 · Jan 19, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D06P3/241?
- CPC D06P3/241 is the Cooperative Patent Classification code for “using acid dyes.”
- How many patents are filed under CPC D06P3/241 (using acid dyes)?
- Our database includes 34 publications tagged with this CPC code.
- Is patent activity under CPC D06P3/241 growing?
- Publication counts under this code: 4 in 2024 vs 4 in 2025 (latest complete years).