Fiber dyeing method using supercritical carbon dioxide fluid as medium
US-11608592-B2 · Mar 21, 2023 · US
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Non-aqueous dyeing in an inorganic medium
Non-aqueous dyeing in an inorganic medium · 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 | D06P2001/0084 |
| Official title | {Non-aqueous dyeing in an inorganic medium} |
| Display label | Non-aqueous dyeing in an inorganic medium |
| Total patents | 4 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2021 | 2 |
| 2023 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fiber dyeing method using mixed fluid medium
US-11560669-B2 · Jan 24, 2023 · US
A waterless fiber dyeing method using supercritical carbon dioxide fluid as medium
US-2021355632-A1 · Nov 18, 2021 · US
Waterless fiber dyeing method using mixed fluid medium
US-2021324577-A1 · Oct 21, 2021 · US