Plurality of host materials and organic electroluminescent device comprising the same
US-12453282-B2 · Oct 21, 2025 · US
having two or more ring systems containing condensed 1,3-oxazole rings
having two or more ring systems containing condensed 1,3-oxazole rings · 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 | C07D263/62 |
| Official title | having two or more ring systems containing condensed 1,3-oxazole rings |
| Display label | having two or more ring systems containing condensed 1,3-oxazole rings |
| Total patents | 33 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 4 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 6 |
| 2023 | 4 |
| 2024 | 4 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Spiro-oxazolones
US-2025066378-A1 · Feb 27, 2025 · US
Organic electroluminescent compound, a plurality of host materials, and organic electroluminescent device comprising the same
US-12234219-B2 · Feb 25, 2025 · US
Spiro-oxazolones
US-12162887-B2 · Dec 10, 2024 · US
Heterocyclic compound and organic light-emitting device comprising same
US-2024368095-A1 · Nov 7, 2024 · US
Organic compounds, light extraction layer materials, and organic electronic devices
US-2024352008-A1 · Oct 24, 2024 · US
Organic Electroluminescent Device
US-2024057469-A1 · Feb 15, 2024 · US
Organic electroluminescence device
US-11832508-B2 · Nov 28, 2023 · US
Phenanthrene organic compound and use thereof
US-2023357188-A1 · Nov 9, 2023 · US
Spiro-oxazolones
US-2023106150-A1 · Apr 6, 2023 · US
Spiro-oxazolones
US-11578077-B2 · Feb 14, 2023 · US
Compound, material for an organic electroluminescent device and application thereof
US-2022281870-A1 · Sep 8, 2022 · US
Resin, photosensitive resin composition, electronic component and display device using the same
US-11333976-B2 · May 17, 2022 · US
Arylamine compound having benzoazole ring structure, and organic electroluminescent element
US-2022119360-A1 · Apr 21, 2022 · US
Heterocyclic naphthoquinones derivatives for use in the treatment of cancers including Cushing disease
US-11306063-B2 · Apr 19, 2022 · US
Organic electroluminescent compound, a plurality of host materials, and organic electroluminescent device comprising the same
US-2022048886-A1 · Feb 17, 2022 · US
Plurality of host materials and organic electroluminescent device comprising the same
US-2022020931-A1 · Jan 20, 2022 · US
Halogenated benzoxazine for use in the synthesis of polybenzoxazine
US-10975044-B2 · Apr 13, 2021 · US
Halogenated benzoxazine for use in the synthesis of polybenzoxazine
US-2020087268-A1 · Mar 19, 2020 · US
Spiro-oxazolones
US-2020039997-A1 · Feb 6, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07D263/62?
- CPC C07D263/62 is the Cooperative Patent Classification code for “having two or more ring systems containing condensed 1,3-oxazole rings.”
- How many patents are filed under CPC C07D263/62 (having two or more ring systems containing condensed 1,3-oxazole rings)?
- Our database includes 33 publications tagged with this CPC code.
- Is patent activity under CPC C07D263/62 growing?
- Publication counts under this code: 4 in 2024 vs 3 in 2025 (latest complete years).