Breathable and waterproof film
US-2024228693-A1 · Jul 11, 2024 · US
Preparation of spinning solutions
Preparation of spinning solutions · 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 | D01D1/02 |
| Official title | Preparation of spinning solutions |
| Display label | Preparation of spinning solutions |
| Total patents | 460 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 18 |
| 2017 | 32 |
| 2018 | 37 |
| 2019 | 39 |
| 2020 | 54 |
| 2021 | 42 |
| 2022 | 57 |
| 2023 | 48 |
| 2024 | 60 |
| 2025 | 48 |
| 2026 | 12 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Compositions comprising electrohydrodynamically obtained fibres for administration of specific dosages of an active substance to skin or mucosa
US-2024058276-A1 · Feb 22, 2024 · US
Polyphenylene fibers and corresponding fabrication methods
US-2017349699-A1 · Dec 7, 2017 · US
Polyimide solution, heat-resistant non-woven fabric, and method for manufacturing same
US-2017342214-A1 · Nov 30, 2017 · US
Electrospinning Aramid Nanofibers
US-2017342599-A1 · Nov 30, 2017 · US
Synergistic visbreaking composition of peroxide and hydroxylamine ester for increasing the visbreaking efficiency
US-2017320975-A1 · Nov 9, 2017 · US
Method for producing a carbon hollow fiber membrane
US-2017320020-A1 · Nov 9, 2017 · US
Compositions comprising microfibrilated cellulose and polymers and methods of manufacturing fibres and nonwoven materials therefrom
US-2017306562-A1 · Oct 26, 2017 · US
Method for manufacturing super absorbent polymer fiber
US-2017306528-A1 · Oct 26, 2017 · US
Membrane-forming dope for carbon membranes and a method for producing a carbon hollow fiber membrane using the same
US-2017296978-A1 · Oct 19, 2017 · US
Pet solutions and methods of making pet solutions for medical devices
US-2017290957-A1 · Oct 12, 2017 · US
Novel biofabrication techniques for the implementation of intrinsic tissue geometries to an in vitro collagen hydrogel
US-2017247430-A1 · Aug 31, 2017 · US
High-strength copolymerized aramid fiber and preparing method therefor
US-2017241048-A1 · Aug 24, 2017 · US
Polyetherimide-based fiber, method for manufacturing same, and fiber structure containing same
US-2017191191-A1 · Jul 6, 2017 · US
Mixed Matrix Hollow Fiber Membranes
US-2017189866-A1 · Jul 6, 2017 · US
Process for preparing a silicon-carbon nanocomposite nanofiber
US-2017191193-A1 · Jul 6, 2017 · US
Solution-dyed protein fiber and method for producing same
US-9689089-B2 · Jun 27, 2017 · US
Carbon fiber composition including graphene nano-powder and fabrication method for carbon fiber using the same
US-2017114478-A1 · Apr 27, 2017 · US
Method for retrovirus removal
US-9623352-B2 · Apr 18, 2017 · US
Multifilament and braid
US-2017101727-A1 · Apr 13, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D01D1/02?
- CPC D01D1/02 is the Cooperative Patent Classification code for “Preparation of spinning solutions.”
- How many patents are filed under CPC D01D1/02 (Preparation of spinning solutions)?
- Our database includes 460 publications tagged with this CPC code.
- Is patent activity under CPC D01D1/02 growing?
- Publication counts under this code: 60 in 2024 vs 48 in 2025 (latest complete years).