Conjugated anthradithiophene terpolymers and photovoltaic devices containing them
US-2024188414-A1 · Jun 6, 2024 · US
Copolymers
Copolymers · 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 | C08G2261/12 |
| Official title | Copolymers |
| Display label | Copolymers |
| Total patents | 600 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 60 |
| 2016 | 67 |
| 2017 | 73 |
| 2018 | 63 |
| 2019 | 54 |
| 2020 | 52 |
| 2021 | 61 |
| 2022 | 54 |
| 2023 | 42 |
| 2024 | 38 |
| 2025 | 27 |
| 2026 | 9 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Dyketopyrrolopyrrole polymers for use in organic semiconductor devices
US-9221943-B2 · Dec 29, 2015 · US
Conjugated polymer compound
US-9217063-B2 · Dec 22, 2015 · US
Conjugated polymer, insolubilized polymer, organic electroluminescence element material, composition for organic electroluminescence element, polymer production process, organic electroluminescence element, organic EL display and organic EL lighting
US-9214633-B2 · Dec 15, 2015 · US
Anthradithiophene-based semiconducting polymers and methods thereof
US-9214635-B2 · Dec 15, 2015 · US
Composition for bonding windings or core laminates in an electrical machine, and associated method
US-2015353788-A1 · Dec 10, 2015 · US
Thermoplastic elastomer compositions
US-9206316-B2 · Dec 8, 2015 · US
Charge Transporting Semi-Conducting Material and Semi-Conducting Device
US-2015349262-A1 · Dec 3, 2015 · US
Hardmask composition and method of forming patterns using the hardmask composition
US-2015329718-A1 · Nov 19, 2015 · US
Semiconducting materials based on naphthalenediimide-vinylene-oligothiophene-vinylene polymers
US-2015333264-A1 · Nov 19, 2015 · US
Method for producing aromatic compound
US-2015322199-A1 · Nov 12, 2015 · US
Polymers containing 2,7-pyrene structural units
US-2015322198-A1 · Nov 12, 2015 · US
Composition and organic photoelectric converter
US-9184393-B2 · Nov 10, 2015 · US
Aromatic resins for underlayers
US-2015315333-A1 · Nov 5, 2015 · US
Fused thiophene-based conjugated polymers and their use in optoelectronic devices
US-9178160-B1 · Nov 3, 2015 · US
Polymer
US-2015307652-A1 · Oct 29, 2015 · US
Soluble polymers
US-2015299380-A1 · Oct 22, 2015 · US
Chemicals and the synthesizing methods thereof
US-2015299382-A1 · Oct 22, 2015 · US
Heterocyclic compounds and the synthesis method thereof
US-2015284504-A1 · Oct 8, 2015 · US
Conjugated polymers
US-9153784-B2 · Oct 6, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08G2261/12?
- CPC C08G2261/12 is the Cooperative Patent Classification code for “Copolymers.”
- How many patents are filed under CPC C08G2261/12 (Copolymers)?
- Our database includes 600 publications tagged with this CPC code.
- Is patent activity under CPC C08G2261/12 growing?
- Publication counts under this code: 38 in 2024 vs 27 in 2025 (latest complete years).