Method of manufacturing carbon fiber and carbon fiber manufactured thereby
US-2025327217-A1 · Oct 23, 2025 · US
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from polyvinyl chloride or polyvinylidene chloride
from polyvinyl chloride or polyvinylidene chloride · 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 | D01F6/10 |
| Official title | from polyvinyl chloride or polyvinylidene chloride |
| Display label | from polyvinyl chloride or polyvinylidene chloride |
| Total patents | 21 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 2 |
| 2024 | 7 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for separating fibers and method for producing modacrylic fiber, polyvinyl chloride fiber and polyester fiber
US-12442110-B2 · Oct 14, 2025 · US
Artificial hair
US-2025288040-A1 · Sep 18, 2025 · US
Artificial hair fibers and hairpiece product
US-2025101638-A1 · Mar 27, 2025 · US
Fibers for artificial hair, fiber bundle for artificial hair, and hair decoration product
US-2024426028-A1 · Dec 26, 2024 · US
Acrylic fiber for artificial hair, hair ornament product including the same, and production method therefor
US-2024401243-A1 · Dec 5, 2024 · US
Method for separating fibers and method for producing modacrylic fiber, polyvinyl chloride fiber and polyester fiber
US-2024328036-A1 · Oct 3, 2024 · US
Fiber for artificial hair and head accessory product
US-12031240-B2 · Jul 9, 2024 · US
3d printing with enhanced interlayer adhesion
US-2024044050-A1 · Feb 8, 2024 · US
Fiber for artificial hair
US-2024044049-A1 · Feb 8, 2024 · US
Fibers for artificial hair, method for producing same, and hair accessory
US-2024035231-A1 · Feb 1, 2024 · US
Artificial hair fiber
US-11432607-B2 · Sep 6, 2022 · US
Fiber for artificial hair and head accessory product
US-2022018041-A1 · Jan 20, 2022 · US
Hollow fiber
US-2021032780-A1 · Feb 4, 2021 · US
Acrylic-fiber manufacturing method
US-10676843-B2 · Jun 9, 2020 · US
Artificial hair fiber
US-2020077725-A1 · Mar 12, 2020 · US
Acrylic fiber for artificial hair, manufacturing method therefor and head accessory containing same
US-10433605-B2 · Oct 8, 2019 · US
Acrylic fiber for artificial hair, manufacturing method therefor and head accessory containing same
US-2018116322-A1 · May 3, 2018 · US
Acrylic-fiber manufacturing method
US-2017253998-A1 · Sep 7, 2017 · US
Nanofiber-nanowire composite and fabrication method thereof
US-9309405-B2 · Apr 12, 2016 · US