Method for preparing fluorescent nanomaterial-polymer composite, and light emitting device
US-11873437-B2 · Jan 16, 2024 · US
Luminescent materials, e.g. electroluminescent or chemiluminescent · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C09K11/00 |
| Official title | Luminescent materials, e.g. electroluminescent or chemiluminescent |
| Display label | Luminescent materials, e.g. electroluminescent or chemiluminescent |
| Total patents | 268 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 25 |
| 2016 | 26 |
| 2017 | 30 |
| 2018 | 36 |
| 2019 | 36 |
| 2020 | 27 |
| 2021 | 26 |
| 2022 | 17 |
| 2023 | 20 |
| 2024 | 16 |
| 2025 | 7 |
| 2026 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11873437-B2 · Jan 16, 2024 · US
US-9793680-B2 · Oct 17, 2017 · US
US-9761820-B2 · Sep 12, 2017 · US
US-2017237023-A1 · Aug 17, 2017 · US
US-2017110338-A1 · Apr 20, 2017 · US
US-2017062668-A1 · Mar 2, 2017 · US
US-2017038483-A1 · Feb 9, 2017 · US
US-2017018690-A1 · Jan 19, 2017 · US
US-2017005239-A1 · Jan 5, 2017 · US
US-2016366745-A1 · Dec 15, 2016 · US
US-9518215-B2 · Dec 13, 2016 · US
US-2016359093-A1 · Dec 8, 2016 · US
US-9506864-B2 · Nov 29, 2016 · US
US-9493348-B2 · Nov 15, 2016 · US
US-2016327719-A1 · Nov 10, 2016 · US
US-9490401-B2 · Nov 8, 2016 · US
US-9490606-B2 · Nov 8, 2016 · US
US-9478692-B1 · Oct 25, 2016 · US
US-9461215-B2 · Oct 4, 2016 · US
US-2016276591-A1 · Sep 22, 2016 · US
Answers are generated from the same data shown on this page.