Decolorization method of polyester fabric
US-12344991-B2 · Jul 1, 2025 · US
Multi-step processes · Cooperative Patent Classification (CPC)
Textile and paper production, treatment, and products.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | D06L4/70 |
| Official title | Multi-step processes |
| Display label | Multi-step processes |
| Total patents | 28 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2018 | 4 |
| 2020 | 5 |
| 2021 | 1 |
| 2022 | 6 |
| 2023 | 5 |
| 2024 | 3 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12344991-B2 · Jul 1, 2025 · US
US-2025011991-A1 · Jan 9, 2025 · US
US-2024099408-A1 · Mar 28, 2024 · US
US-2024018714-A1 · Jan 18, 2024 · US
US-11857014-B2 · Jan 2, 2024 · US
US-11832670-B2 · Dec 5, 2023 · US
US-2023380533-A1 · Nov 30, 2023 · US
US-11723426-B2 · Aug 15, 2023 · US
US-11718951-B2 · Aug 8, 2023 · US
US-2023082495-A1 · Mar 16, 2023 · US
US-2022232920-A1 · Jul 28, 2022 · US
US-2022225715-A1 · Jul 21, 2022 · US
US-2022225716-A1 · Jul 21, 2022 · US
US-11241053-B2 · Feb 8, 2022 · US
US-11241055-B2 · Feb 8, 2022 · US
US-11241054-B2 · Feb 8, 2022 · US
US-2021002815-A1 · Jan 7, 2021 · US
US-10876240-B2 · Dec 29, 2020 · US
US-2020270791-A1 · Aug 27, 2020 · US
US-2020270790-A1 · Aug 27, 2020 · US
Answers are generated from the same data shown on this page.