Compounds and organic electronic devices
US-11997922-B2 · May 28, 2024 · US
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being formed by at least three rings
being formed by at least three 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 | C07C215/88 |
| Official title | being formed by at least three rings |
| Display label | being formed by at least three rings |
| Total patents | 18 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 2 |
| 2021 | 4 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Compounds and organic electronic devices
US-2023217811-A1 · Jul 6, 2023 · US
Compounds and organic electronic devices
US-11641775-B2 · May 2, 2023 · US
Squarylium compound, light-emitting composition, and light-emitting film
US-11261374-B2 · Mar 1, 2022 · US
Squarylium compound, light-emitting composition, and light-emitting film
US-2021261858-A1 · Aug 26, 2021 · US
Compounds and organic electronic devices
US-2021151682-A1 · May 20, 2021 · US
O-hydroxy-functionalized diamines, polyimides, methods of making each, and methods of use
US-10961349-B2 · Mar 30, 2021 · US
Compounds and organic electronic devices
US-10944058-B2 · Mar 9, 2021 · US
O-hydroxy-functionalized diamines, polyimides, methods of making each, and methods of use
US-2019218345-A1 · Jul 18, 2019 · US
O-hydroxy-functionalized diamines, polyimides, methods of making each, and methods of use
US-10240001-B2 · Mar 26, 2019 · US
Compounds and organic electronic devices
US-2018097178-A1 · Apr 5, 2018 · US
Compounds and organic electronic devices
US-9882142-B2 · Jan 30, 2018 · US
O-hydroxy-functionalized diamines, polyimides, methods of making each, and methods of use
US-2017190842-A1 · Jul 6, 2017 · US
BAX agonist, compositions, and methods related thereto
US-9402850-B2 · Aug 2, 2016 · US
Curing compositions for fluoropolymers
US-9273164-B2 · Mar 1, 2016 · US
Bax agonist, compositions, and methods related thereto
US-2015250793-A1 · Sep 10, 2015 · US
Compounds and organic electronic devices
US-2015179940-A1 · Jun 25, 2015 · US
BAX agonist, compositions, and methods related thereto
US-9040567-B2 · May 26, 2015 · US