Polyvinyl alcohol resin film, method for discriminating polyvinyl alcohol resin film, and method for manufacturing polyvinyl alcohol resin film
US-2022348757-A1 · Nov 3, 2022 · US
Vinyl esters
Vinyl esters · 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 | C08F218/04 |
| Official title | Vinyl esters |
| Display label | Vinyl esters |
| Total patents | 95 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 5 |
| 2018 | 6 |
| 2019 | 16 |
| 2020 | 14 |
| 2021 | 12 |
| 2022 | 13 |
| 2023 | 9 |
| 2024 | 7 |
| 2025 | 8 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
3D printed composites from a single resin by patterned light exposures
US-11434316-B2 · Sep 6, 2022 · US
Water/oil repellent composition, method for its production and article
US-2022153893-A1 · May 19, 2022 · US
Process for the production of polyacrylonitrile-based polymers with high conversion
US-2021403624-A1 · Dec 30, 2021 · US
External preparation
US-2021386632-A1 · Dec 16, 2021 · US
Pattern forming material, composition for pattern formation, pattern forming method and method of manufacturing semiconductor device
US-11192971-B2 · Dec 7, 2021 · US
Powder coating material, method for producing substrate provided with coating film, coated article and fluorinated polymer
US-11130870-B2 · Sep 28, 2021 · US
3D printed composites from a single resin by patterned light exposures
US-11106135-B2 · Aug 31, 2021 · US
Aqueous pigment dispersion
US-11066564-B2 · Jul 20, 2021 · US
Additive for oil well cement and cement slurry using said additive for oil well cement
US-11046880-B2 · Jun 29, 2021 · US
Copolymer and medical material containing the same
US-11000636-B2 · May 11, 2021 · US
Vinyl alcohol polymer and cement slurry comprising same
US-10995252-B2 · May 4, 2021 · US
Binder for Secondary Battery and Secondary Battery Including the Same
US-2021050595-A1 · Feb 18, 2021 · US
Medical material, medical separation membrane, and blood purifier
US-10912868-B2 · Feb 9, 2021 · US
3d printed composites from a single resin by patterned light exposures
US-2021011385-A1 · Jan 14, 2021 · US
Additive for oil well cement and cement slurry using said additive for oil well cement
US-2020377780-A1 · Dec 3, 2020 · US
Polymer
US-10808059-B2 · Oct 20, 2020 · US
3D printed composites from a single resin by patterned light exposures
US-10788753-B2 · Sep 29, 2020 · US
Pattern forming material, composition for pattern formation, pattern forming method and method of manufacturing semiconductor device
US-2020291155-A1 · Sep 17, 2020 · US
Copolymer suitable for use as a detergent additive for fuel
US-10767128-B2 · Sep 8, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08F218/04?
- CPC C08F218/04 is the Cooperative Patent Classification code for “Vinyl esters.”
- How many patents are filed under CPC C08F218/04 (Vinyl esters)?
- Our database includes 95 publications tagged with this CPC code.
- Is patent activity under CPC C08F218/04 growing?
- Publication counts under this code: 7 in 2024 vs 8 in 2025 (latest complete years).