Apparatus for processing of leather
US-12416054-B2 · Sep 16, 2025 · US
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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 | D06P3/3286 |
| Official title | {using reactive dyes} |
| Display label | using reactive dyes |
| Total patents | 8 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 1 |
| 2022 | 3 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for dyeing of leather
US-2024360524-A1 · Oct 31, 2024 · US
Method for dyeing and/or retanning of leather
US-12049676-B2 · Jul 30, 2024 · US
Apparatus for processing of leather
US-2022220570-A1 · Jul 14, 2022 · US
Method for dyeing and/or retanning of leather
US-2022220571-A1 · Jul 14, 2022 · US
Method of dyeing collagen staple fiber
US-2022071355-A1 · Mar 10, 2022 · US
Tanning of substrates using ionic liquids
US-2017029909-A1 · Feb 2, 2017 · US
Topcoat
US-9212403-B2 · Dec 15, 2015 · US