Fluoropolymer membrane for electrochemical devices
US-2019252657-A1 · Aug 15, 2019 · US
Vinylidene fluoride
Vinylidene fluoride · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C08F14/22 |
| Official title | Vinylidene fluoride |
| Display label | Vinylidene fluoride |
| Total patents | 215 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 16 |
| 2016 | 14 |
| 2017 | 9 |
| 2018 | 15 |
| 2019 | 16 |
| 2020 | 20 |
| 2021 | 26 |
| 2022 | 29 |
| 2023 | 18 |
| 2024 | 29 |
| 2025 | 18 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for the controlled polymerization of fluoromonomers
US-10377843-B2 · Aug 13, 2019 · US
Electrochromic device
US-2019196289-A1 · Jun 27, 2019 · US
A fluorinated pressure sensitive adhesives and articles thereof
US-2019177586-A1 · Jun 13, 2019 · US
Film layers and methods for forming the same
US-10294340-B2 · May 21, 2019 · US
Ferroelectric polymers from dehydrofluorinated PVDF
US-2019023817-A1 · Jan 24, 2019 · US
Fluoropolymers
US-10160820-B2 · Dec 25, 2018 · US
Production method for polyvinylidene fluoride aqueous dispersion liquid, and polyvinylidene fluoride aqueous dispersion liquid
US-10150820-B2 · Dec 11, 2018 · US
Chemical liquid supply apparatus and semiconductor processing apparatus having the same
US-2018334318-A1 · Nov 22, 2018 · US
Amine-Containing Polymers, Dispersions Thereof and Methods of Making and Using the Same
US-2018319908-A1 · Nov 8, 2018 · US
Fluoropolymers
US-2018265614-A1 · Sep 20, 2018 · US
3-d printed fluoropolymer structures
US-2018237627-A1 · Aug 23, 2018 · US
Fluororesin and molded article
US-2018223089-A1 · Aug 9, 2018 · US
Process for manufacturing a dispersion of a vinylidene fluoride polymer
US-2018162965-A1 · Jun 14, 2018 · US
Modified fluoropolymers
US-9932420-B2 · Apr 3, 2018 · US
Process for manufacturing a dispersion of a vinylidene fluoride polymer
US-9920141-B2 · Mar 20, 2018 · US
Pvdf powder for liquid slurries
US-2018056247-A1 · Mar 1, 2018 · US
Separator for a non-aqueous secondary battery, and non-aqueous secondary battery
US-2018047962-A1 · Feb 15, 2018 · US
Film layers and methods for forming the same
US-2018030225-A1 · Feb 1, 2018 · US
Solid electrolyte compositions
US-2018006328-A1 · Jan 4, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08F14/22?
- CPC C08F14/22 is the Cooperative Patent Classification code for “Vinylidene fluoride.”
- How many patents are filed under CPC C08F14/22 (Vinylidene fluoride)?
- Our database includes 215 publications tagged with this CPC code.
- Is patent activity under CPC C08F14/22 growing?
- Publication counts under this code: 29 in 2024 vs 18 in 2025 (latest complete years).