Organic electroluminescent materials and devices
US-2025248295-A1 · Jul 31, 2025 · US
containing platina group metals
containing platina group metals · 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 | C09K11/87 |
| Official title | containing platina group metals |
| Display label | containing platina group metals |
| Total patents | 34 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 1 |
| 2017 | 6 |
| 2018 | 4 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 3 |
| 2023 | 1 |
| 2024 | 4 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Organic electroluminescent materials and devices
US-12250875-B2 · Mar 11, 2025 · US
Organic light emitting diode comprising organometallic compound and plurality of host materials
US-2024244966-A1 · Jul 18, 2024 · US
Light-emitting composition
US-2024124767-A1 · Apr 18, 2024 · US
Organic electroluminescent materials and devices
US-2024122061-A1 · Apr 11, 2024 · US
Organic electroluminescent materials and devices
US-11930699-B2 · Mar 12, 2024 · US
Noble metal nanoparticles for intensity and time-response enhancement of luminescent dyes
US-2023117049-A1 · Apr 20, 2023 · US
Organic light-emitting device
US-11024818-B2 · Jun 1, 2021 · US
Quantum dot architectures for fluorescence donor-assisted oled devices
US-2021159438-A1 · May 27, 2021 · US
Organic electroluminescent materials and devices
US-2021050532-A1 · Feb 18, 2021 · US
Perovskite quantum dot material
US-10731075-B2 · Aug 4, 2020 · US
Perovskite quantum dot material
US-2020216754-A1 · Jul 9, 2020 · US
Method for making a perovskite quantum dot material
US-10633584-B2 · Apr 28, 2020 · US
Organic light-emitting device comprising host, phosphorescent dopant and fluorescent dopant
US-10418573-B2 · Sep 17, 2019 · US
PDMS-based ligands for quantum dots in silicones
US-10287490-B2 · May 14, 2019 · US
Phosphorescent nanoparticles and their uses in biosensing and bioimaging
US-10253255-B2 · Apr 9, 2019 · US
Phosphorescent ink
US-2018127604-A1 · May 10, 2018 · US
Organometallic compound, organic light-emitting device including the organometallic compound, and diagnostic composition including the organometallic compound
US-2018114928-A1 · Apr 26, 2018 · US
Carbon nanostructure and method for preparing the same
US-9944850-B2 · Apr 17, 2018 · US
Compound, organic electroluminescent element material, organic electroluminescent element, and electronic device
US-2018029983-A1 · Feb 1, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09K11/87?
- CPC C09K11/87 is the Cooperative Patent Classification code for “containing platina group metals.”
- How many patents are filed under CPC C09K11/87 (containing platina group metals)?
- Our database includes 34 publications tagged with this CPC code.
- Is patent activity under CPC C09K11/87 growing?
- Publication counts under this code: 4 in 2024 vs 2 in 2025 (latest complete years).