Iodine-containing polymers for chemically amplified resist compositions
US-10495968-B2 · Dec 3, 2019 · US
Esters containing oxygen in addition to the carboxy oxygen
Esters containing oxygen in addition to the carboxy oxygen · 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 | C08F20/26 |
| Official title | Esters containing oxygen in addition to the carboxy oxygen |
| Display label | Esters containing oxygen in addition to the carboxy oxygen |
| Total patents | 164 |
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 | 10 |
| 2016 | 14 |
| 2017 | 9 |
| 2018 | 18 |
| 2019 | 14 |
| 2020 | 24 |
| 2021 | 25 |
| 2022 | 13 |
| 2023 | 16 |
| 2024 | 11 |
| 2025 | 8 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Polymerizable compound, polymerizable composition, film, and half mirror for displaying projection image
US-10457628-B2 · Oct 29, 2019 · US
Embolic compositions
US-10368874-B2 · Aug 6, 2019 · US
Gradient block copolymers for directed self-assembly
US-2019233636-A1 · Aug 1, 2019 · US
Resist composition, method of forming resist pattern, polymeric compound, and copolymer
US-2019219920-A1 · Jul 18, 2019 · US
Nematic liquid crystal composition and liquid crystal display element using same
US-10351772-B2 · Jul 16, 2019 · US
Hollow particles and use thereof
US-2019209994-A1 · Jul 11, 2019 · US
Polymer-containing composition and antifouling coating composition
US-2019100660-A1 · Apr 4, 2019 · US
Washing- and cleaning-active polymer films, process for the production thereof and use thereof
US-2019077895-A1 · Mar 14, 2019 · US
Compound, resin, photoresist composition and process for producing photoresist pattern
US-2018373146-A1 · Dec 27, 2018 · US
Iodine-containing polymers for chemically amplified resist compositions
US-2018362752-A1 · Dec 20, 2018 · US
Composition for binder for non-aqueous cell electrode, binder for non-aqueous cell electrode, composition for non-aqueous cell electrode, non-aqueous cell electrode, and non-aqueous cell
US-2018301704-A1 · Oct 18, 2018 · US
Functionalized resin having a polar linker
US-2018291125-A1 · Oct 11, 2018 · US
Functionalized resin having a polar linker
US-2018291181-A1 · Oct 11, 2018 · US
Functionalized resin having a polar linker
US-2018291124-A1 · Oct 11, 2018 · US
Silicone hydrogel, medical device, lens for eye and contact lens
US-10087274-B2 · Oct 2, 2018 · US
Resin formulation and uses thereof
US-2018273657-A1 · Sep 27, 2018 · US
Colored particle dispersion
US-2018258200-A1 · Sep 13, 2018 · US
Radiation-sensitive resin composition, method for forming resist pattern, polymer and polymerizable compound
US-10048586-B2 · Aug 14, 2018 · US
Monomers, polymers and photoresist compositions
US-2018203352-A1 · Jul 19, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08F20/26?
- CPC C08F20/26 is the Cooperative Patent Classification code for “Esters containing oxygen in addition to the carboxy oxygen.”
- How many patents are filed under CPC C08F20/26 (Esters containing oxygen in addition to the carboxy oxygen)?
- Our database includes 164 publications tagged with this CPC code.
- Is patent activity under CPC C08F20/26 growing?
- Publication counts under this code: 11 in 2024 vs 8 in 2025 (latest complete years).