Breathable and waterproof film
US-2024228693-A1 · Jul 11, 2024 · US
of polyamides
of polyamides · 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 | D01F6/90 |
| Official title | of polyamides |
| Display label | of polyamides |
| Total patents | 122 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 7 |
| 2017 | 9 |
| 2018 | 8 |
| 2019 | 5 |
| 2020 | 17 |
| 2021 | 11 |
| 2022 | 13 |
| 2023 | 18 |
| 2024 | 15 |
| 2025 | 9 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fine fibers made from room temperature crosslinking
US-11186928-B2 · Nov 30, 2021 · US
Artificial turf and production method
US-2021269989-A1 · Sep 2, 2021 · US
Artificial turf and production method
US-11060244-B2 · Jul 13, 2021 · US
Semi-aromatic polyamide fiber and method for producing same
US-2021002791-A1 · Jan 7, 2021 · US
Artificial turf fiber with uv protection substances
US-2020407533-A1 · Dec 31, 2020 · US
Process for synthesizing polyamide pa 6-6
US-2020399426-A1 · Dec 24, 2020 · US
Resin composition for shaping material of fused deposition modeling method-3d printer and filamentary molded body thereof
US-2020362144-A1 · Nov 19, 2020 · US
Artificial turf with marbled monofilament
US-2020340144-A1 · Oct 29, 2020 · US
Artificial turf fiber with a non-circular cladding
US-2020308777-A1 · Oct 1, 2020 · US
Fiber bundle for artificial hair
US-2020288801-A1 · Sep 17, 2020 · US
Multifilament fiber and method of making same
US-10738395-B2 · Aug 11, 2020 · US
Anti-bacterial and anti-ultraviolet multifunctional chemical fiber
US-2020216982-A1 · Jul 9, 2020 · US
Deflecting member for making fibrous structures
US-10683614-B2 · Jun 16, 2020 · US
Semi-aromatic polyamide fiber
US-2020173059-A1 · Jun 4, 2020 · US
Flame retardant fibers, yarns, and fabrics made therefrom
US-10640893-B2 · May 5, 2020 · US
Fine fiber media layer
US-2020122068-A1 · Apr 23, 2020 · US
Polyamide fibers
US-10611881-B2 · Apr 7, 2020 · US
Low friction core-shell nanofibrous membranes for delivery of active ingredients to the wet skin
US-10603230-B2 · Mar 31, 2020 · US
Fiber and fiber structure
US-10577725-B2 · Mar 3, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D01F6/90?
- CPC D01F6/90 is the Cooperative Patent Classification code for “of polyamides.”
- How many patents are filed under CPC D01F6/90 (of polyamides)?
- Our database includes 122 publications tagged with this CPC code.
- Is patent activity under CPC D01F6/90 growing?
- Publication counts under this code: 15 in 2024 vs 9 in 2025 (latest complete years).