Preparation method for large crystal region high crystallinity carbonaceous fiber
US-2024410085-A1 · Dec 12, 2024 · US
from polyaddition, polycondensation or polymerisation products (D01F9/145, D01F9/16, D01F9/18 take precedence)
from polyaddition, polycondensation or polymerisation products (D01F9/145, D01F9/16, D01F9/18 take precedence) · 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 | D01F9/20 |
| Official title | from polyaddition, polycondensation or polymerisation products (D01F9/145, D01F9/16, D01F9/18 take precedence) |
| Display label | from polyaddition, polycondensation or polymerisation products (D01F9/145, D01F9/16, D01F9/18 take precedence) |
| Total patents | 32 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 5 |
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 4 |
| 2024 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Carbon fibers having improved strength and modulus and an associated method and apparatus for preparing same
US-2024301590-A1 · Sep 12, 2024 · US
Method and apparatus for joule carbonization or graphitization of fibers made from intrinsically electrically-conductive polymers
US-2023357963-A1 · Nov 9, 2023 · US
Carbon-based fiber sheet and lithium-sulfur battery including same
US-11811049-B2 · Nov 7, 2023 · US
Polymetalloxane-containing composition, cured body, member, electronic component, and fiber
US-2023331927-A1 · Oct 19, 2023 · US
Lithium ion batteries comprising nanofibers
US-11728545-B2 · Aug 15, 2023 · US
Method for manufacturing structure
US-11459672-B2 · Oct 4, 2022 · US
Polymer-graphene liquid crystal fiber and a carbon fiber produced by the same and method for manufacturing the same
US-11390966-B2 · Jul 19, 2022 · US
Fiber production method and carbon fiber production method
US-11286579-B2 · Mar 29, 2022 · US
Carbon fiber production method
US-11261545-B2 · Mar 1, 2022 · US
Lithium ion batteries comprising nanofibers
US-2021399384-A1 · Dec 23, 2021 · US
Lithium ion batteries comprising nanofibers
US-11050118-B2 · Jun 29, 2021 · US
Carbon-based fiber sheet and lithium-sulfur battery including same
US-2021098775-A1 · Apr 1, 2021 · US
Carbon fiber production method
US-2021054540-A1 · Feb 25, 2021 · US
Cord-yarn structured supercapacitor
US-10727003-B2 · Jul 28, 2020 · US
Polymer-graphene liquid crystal fiber and a carbon fiber produced by the same and method for manufacturing the same
US-2020181808-A1 · Jun 11, 2020 · US
Scalable and facile in situ synthesis of nanoparticles resulting in decorated multifunctional fibers
US-2020165746-A1 · May 28, 2020 · US
Fiber production method and carbon fiber production method
US-2020141028-A1 · May 7, 2020 · US
Method for manufacturing structure
US-2020067069-A1 · Feb 27, 2020 · US
Process for preparing a silicon-carbon nanocomposite nanofiber
US-10450674-B2 · Oct 22, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D01F9/20?
- CPC D01F9/20 is the Cooperative Patent Classification code for “from polyaddition, polycondensation or polymerisation products (D01F9/145, D01F9/16, D01F9/18 take precedence).”
- How many patents are filed under CPC D01F9/20 (from polyaddition, polycondensation or polymerisation products (D01F9/145, D01F9/16, D01F9/18 take precedence))?
- Our database includes 32 publications tagged with this CPC code.
- Is patent activity under CPC D01F9/20 growing?
- Publication counts under this code: 4 in 2023 vs 2 in 2024 (latest complete years).