Water-based printing ink compositions
US-12421404-B2 · Sep 23, 2025 · US
using natural dyestuffs
using natural dyestuffs · 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 | D06P1/34 |
| Official title | using natural dyestuffs |
| Display label | using natural dyestuffs |
| Total patents | 26 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 4 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 6 |
| 2024 | 2 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Vapor phase infiltration as a tool to affix molecules to polymer surfaces
US-12297592-B2 · May 13, 2025 · US
Sustainable fabric preparation process for dyeing with botanical (plant) dyes
US-12281436-B2 · Apr 22, 2025 · US
Antidepressant, Anti-Anxiety, Anti-Stress, or Tension-Relieving Composition Containing Fermented Perilla Frutescens Extract, and Use Thereof
US-2025057907-A1 · Feb 20, 2025 · US
Composition for improving cognitive ability or memory ability, containing fermented perilla frutescens extract, and use thereof
US-2024293494-A1 · Sep 5, 2024 · US
Vapor phase infiltration as a tool to affix molecules to polymer surfaces
US-2024125047-A1 · Apr 18, 2024 · US
Water-soluble film based delivery systems for colorants, glitter, and other chemistries
US-2023323595-A1 · Oct 12, 2023 · US
Water-soluble film based delivery systems for colorants, glitter, and other artistic effects
US-2023323051-A1 · Oct 12, 2023 · US
Tobacco-derived colorants and colored substrates
US-2023292813-A1 · Sep 21, 2023 · US
Tobacco-derived colorants and colored substrates
US-11666084-B2 · Jun 6, 2023 · US
Process for preparing a dyed biopolymer and products thereof
US-11655490-B2 · May 23, 2023 · US
Sustainable fabric preparation process for dyeing with botanical (plant) dyes
US-2023010719-A1 · Jan 12, 2023 · US
Water-based printing ink compositions
US-2022411649-A1 · Dec 29, 2022 · US
Method for Improving Strength and Dyeing of Wool Fibers
US-2022356643-A1 · Nov 10, 2022 · US
Dye for fiber and dyeing method
US-11345818-B1 · May 31, 2022 · US
Melanin-based chemical protective materials
US-11162212-B2 · Nov 2, 2021 · US
Dyeing method using bio-dye and cationic modification agent utilized thereof
US-11008701-B1 · May 18, 2021 · US
Tobacco-derived colorants and colored substrates
US-2020323256-A1 · Oct 15, 2020 · US
Multilayer colored woven fabric and method for manufacturing the same
US-2020238655-A1 · Jul 30, 2020 · US
Tobacco-derived colorants and colored substrates
US-10721957-B2 · Jul 28, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D06P1/34?
- CPC D06P1/34 is the Cooperative Patent Classification code for “using natural dyestuffs.”
- How many patents are filed under CPC D06P1/34 (using natural dyestuffs)?
- Our database includes 26 publications tagged with this CPC code.
- Is patent activity under CPC D06P1/34 growing?
- Publication counts under this code: 2 in 2024 vs 4 in 2025 (latest complete years).