Resist composition
US-2016377979-A1 · Dec 29, 2016 · US
Esters
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 | C08F220/68 |
| Official title | Esters |
| Display label | Esters |
| Total patents | 268 |
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 | 25 |
| 2016 | 42 |
| 2017 | 37 |
| 2018 | 31 |
| 2019 | 31 |
| 2020 | 35 |
| 2021 | 18 |
| 2022 | 13 |
| 2023 | 17 |
| 2024 | 10 |
| 2025 | 5 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Additives for orientation control of block copolymers
US-2016362513-A1 · Dec 15, 2016 · US
Thermosetting composition with photo-alignment property, alignment layer, substrate with alignment layer, retardation plate, and device
US-2016355736-A1 · Dec 8, 2016 · US
Binder for non-aqueous secondary battery porous membrane-use, composition for non-aqueous secondary battery porous membrane-use, porous membrane for non-aqueous secondary battery-use, and non-aqueous secondary battery
US-2016351873-A1 · Dec 1, 2016 · US
Water resistant personal care polymers
US-2016338940-A1 · Nov 24, 2016 · US
Salt, acid generator, resin, resist composition and method for producing resist pattern
US-2016334702-A1 · Nov 17, 2016 · US
Moisture-curable, semi-crystalline (meth)acrylic oligomers and methods of making and using same in adhesive articles
US-2016326290-A1 · Nov 10, 2016 · US
Water resistant personal care polymers
US-9486399-B2 · Nov 8, 2016 · US
Additives for orientation control of block copolymers
US-2016304740-A1 · Oct 20, 2016 · US
Anti-corrosive material, wire with terminal, and wire harness
US-2016308301-A1 · Oct 20, 2016 · US
Fluidity-retaining agent for hydraulic compositions, compatible with a water-reducing agent of the comb polymer type
US-2016289120-A1 · Oct 6, 2016 · US
Additives for orientation control of block copolymers
US-9458353-B1 · Oct 4, 2016 · US
Photopolymerizable composition, photopolymerizable ink jet ink, and ink cartridge
US-9434847-B2 · Sep 6, 2016 · US
Compound, resin and photoresist composition
US-2016244400-A1 · Aug 25, 2016 · US
Compound, resin and photoresist composition
US-2016237190-A1 · Aug 18, 2016 · US
Reversible pressure-sensitive adhesive mass
US-2016230049-A1 · Aug 11, 2016 · US
Elastomeric polymer compositions for coatings and sealants
US-9404008-B2 · Aug 2, 2016 · US
Copolymer for semiconductor lithography, resist composition, and method for manufacturing substrate
US-2016200849-A1 · Jul 14, 2016 · US
Monomer, polymer, resist composition, and patterning process
US-2016179002-A1 · Jun 23, 2016 · US
Polymer, resist composition, and pattern forming process
US-2016168296-A1 · Jun 16, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08F220/68?
- CPC C08F220/68 is the Cooperative Patent Classification code for “Esters.”
- How many patents are filed under CPC C08F220/68 (Esters)?
- Our database includes 268 publications tagged with this CPC code.
- Is patent activity under CPC C08F220/68 growing?
- Publication counts under this code: 10 in 2024 vs 5 in 2025 (latest complete years).