Vinylidene fluoride resin film
US-2019338091-A1 · Nov 7, 2019 · US
Homopolymers or copolymers of hexafluoropropene
Homopolymers or copolymers of hexafluoropropene · 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 | C08L27/20 |
| Official title | Homopolymers or copolymers of hexafluoropropene |
| Display label | Homopolymers or copolymers of hexafluoropropene |
| Total patents | 226 |
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 | 12 |
| 2016 | 16 |
| 2017 | 6 |
| 2018 | 16 |
| 2019 | 33 |
| 2020 | 35 |
| 2021 | 38 |
| 2022 | 26 |
| 2023 | 18 |
| 2024 | 17 |
| 2025 | 7 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Heat conductive sheet and method of producing same, and heat dissipation device
US-2019244875-A1 · Aug 8, 2019 · US
Molded article and manufacturing method for molded article
US-2019202151-A1 · Jul 4, 2019 · US
Polyolefin microporous membrane, battery separator and production method
US-2019190037-A1 · Jun 20, 2019 · US
Perfluoroelastomeric compositions comprising oxazoles
US-10323142-B2 · Jun 18, 2019 · US
Fluoropolymer compositions with high content of inorganic material
US-2019077950-A1 · Mar 14, 2019 · US
Fluorothermoplastic polymer compositions
US-10227484-B2 · Mar 12, 2019 · US
Composition for heat-resistant porous layer, separator, electrochemical battery, and method for fabricating the same
US-10205147-B2 · Feb 12, 2019 · US
Polyphenylene sulfide resin composition and manufacturing method of the same
US-2019040256-A1 · Feb 7, 2019 · US
Gel electrolyte and method for preparing same
US-2019013547-A1 · Jan 10, 2019 · US
Curing agents for compounds
US-2018371227-A1 · Dec 27, 2018 · US
Crosslinkable elastomer composition, molded article, seal member, plasma treatment apparatus and semiconductor manufacturing apparatus including said seal member, and agent for decreasing hardness of molded article, method for producing molded article
US-2018346703-A1 · Dec 6, 2018 · US
Chemical liquid supply apparatus and semiconductor processing apparatus having the same
US-2018334318-A1 · Nov 22, 2018 · US
Rubber blend composition having improved freezing resistance with fluorocarbon rubber and method of preparing the same
US-2018334562-A1 · Nov 22, 2018 · US
Coated battery separator
US-2018315972-A1 · Nov 1, 2018 · US
Conductive material paste composition for secondary battery electrode, slurry composition for secondary battery electrode, undercoating layer-equipped current collector for secondary battery electrode, electrode for secondary battery, and secondary battery
US-2018277848-A1 · Sep 27, 2018 · US
Perfluoroelastomeric Compositions Comprising Oxazoles
US-2018258271-A1 · Sep 13, 2018 · US
3-d printed fluoropolymer structures
US-2018237627-A1 · Aug 23, 2018 · US
Fluoropolymer composition for mobile electronic device
US-2018223090-A1 · Aug 9, 2018 · US
Thermally conductive sheet
US-2018223147-A1 · Aug 9, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08L27/20?
- CPC C08L27/20 is the Cooperative Patent Classification code for “Homopolymers or copolymers of hexafluoropropene.”
- How many patents are filed under CPC C08L27/20 (Homopolymers or copolymers of hexafluoropropene)?
- Our database includes 226 publications tagged with this CPC code.
- Is patent activity under CPC C08L27/20 growing?
- Publication counts under this code: 17 in 2024 vs 7 in 2025 (latest complete years).