Alginate fiber and preparation method thereof
US-12366012-B2 · Jul 22, 2025 · US
Chemical after-treatment of artificial filaments or the like during manufacture · Cooperative Patent Classification (CPC)
Textile and paper production, treatment, and products.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | D01F11/00 |
| Official title | Chemical after-treatment of artificial filaments or the like during manufacture |
| Display label | Chemical after-treatment of artificial filaments or the like during manufacture |
| Total patents | 52 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 8 |
| 2017 | 1 |
| 2018 | 4 |
| 2019 | 6 |
| 2020 | 2 |
| 2021 | 6 |
| 2022 | 5 |
| 2023 | 6 |
| 2024 | 5 |
| 2025 | 4 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12366012-B2 · Jul 22, 2025 · US
US-2025101637-A1 · Mar 27, 2025 · US
US-12258682-B2 · Mar 25, 2025 · US
US-12234577-B2 · Feb 25, 2025 · US
US-2024328037-A1 · Oct 3, 2024 · US
US-2024247408-A1 · Jul 25, 2024 · US
US-11993866-B2 · May 28, 2024 · US
US-2024167197-A1 · May 23, 2024 · US
US-11896920-B2 · Feb 13, 2024 · US
US-2023304194-A1 · Sep 28, 2023 · US
US-11725309-B2 · Aug 15, 2023 · US
US-11682502-B2 · Jun 20, 2023 · US
US-11661677-B2 · May 30, 2023 · US
US-11572638-B2 · Feb 7, 2023 · US
US-2023011363-A1 · Jan 12, 2023 · US
US-11535958-B2 · Dec 27, 2022 · US
US-2022389631-A1 · Dec 8, 2022 · US
US-11421376-B2 · Aug 23, 2022 · US
US-2022228295-A1 · Jul 21, 2022 · US
US-2022186402-A1 · Jun 16, 2022 · US
Answers are generated from the same data shown on this page.