Polymer
US-10870726-B2 · Dec 22, 2020 · US
containing nitrogen and oxygen as heteroatoms
containing nitrogen and oxygen as heteroatoms · 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 | C08G2261/3245 |
| Official title | containing nitrogen and oxygen as heteroatoms |
| Display label | containing nitrogen and oxygen as heteroatoms |
| Total patents | 79 |
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 | 7 |
| 2016 | 12 |
| 2017 | 18 |
| 2018 | 12 |
| 2019 | 9 |
| 2020 | 7 |
| 2021 | 4 |
| 2022 | 3 |
| 2023 | 4 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Polymer compound and light-emitting element using same
US-10654967-B2 · May 19, 2020 · US
Composite polydots and applications thereof
US-10512690-B2 · Dec 24, 2019 · US
Polybenzoxazine that can be used for coating metal and for the bonding of same to rubber
US-2019300765-A1 · Oct 3, 2019 · US
Amino fluorene monomers, polymers, and organic electronic devices
US-10396287-B2 · Aug 27, 2019 · US
Organic light-emitting polymer and device
US-10347840-B2 · Jul 9, 2019 · US
Method of forming polymers
US-10323123-B2 · Jun 18, 2019 · US
Organic semiconductor element, manufacturing method thereof, compound, organic semiconductor composition, organic semiconductor film, and manufacturing method thereof
US-10312447-B2 · Jun 4, 2019 · US
Macromolecular compound
US-10290809-B2 · May 14, 2019 · US
Polymer and organic electronic device
US-10290810-B2 · May 14, 2019 · US
Polymers, monomers and methods of forming polymers
US-10270037-B2 · Apr 23, 2019 · US
Polymer
US-2018371156-A1 · Dec 27, 2018 · US
Oxazine compound, composition and cured product
US-2018362477-A1 · Dec 20, 2018 · US
Fluorinated Benzoxadiazole-Based Donor-Acceptor Polymers for Electronic and Photonic Applications
US-2018355099-A1 · Dec 13, 2018 · US
Polymer compound and light-emitting element using same
US-2018230264-A1 · Aug 16, 2018 · US
Phenyl derivatives substituted with at least two electron acceptors and at least two electron donors for use in organic electronic devices
US-2018226586-A1 · Aug 9, 2018 · US
Method for producing compound
US-9982087-B2 · May 29, 2018 · US
Polymer, organic layer composition, organic layer, and method of forming patterns
US-9971243-B2 · May 15, 2018 · US
Conductive organic semiconductor compound, method for preparing the same and organic thin-film transistor including the same
US-9941476-B2 · Apr 10, 2018 · US
Polymer comprising an unsymmetric diarylaminofluoren unit
US-2018097183-A1 · Apr 5, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08G2261/3245?
- CPC C08G2261/3245 is the Cooperative Patent Classification code for “containing nitrogen and oxygen as heteroatoms.”
- How many patents are filed under CPC C08G2261/3245 (containing nitrogen and oxygen as heteroatoms)?
- Our database includes 79 publications tagged with this CPC code.
- Is patent activity under CPC C08G2261/3245 growing?
- Publication counts under this code: 4 in 2023 vs 2 in 2025 (latest complete years).