Heterocyclic compound and organic light-emitting device including the same
US-2019131535-A1 · May 2, 2019 · US
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Chemistry & Metallurgy
Chemistry & Metallurgy · 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 | C07F9/65216 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 6 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be declining based on the most recent years.
| Year | Patents |
|---|---|
| 2016 | 3 |
| 2017 | 2 |
| 2019 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Additive for electrolyte of lithium battery, electrolyte including the same, and lithium battery using the electrolyte
US-9748606-B2 · Aug 29, 2017 · US
Solvent self-reactions with P(CN)3 to produce films and particles of C3N3P
US-9567359-B2 · Feb 14, 2017 · US
Preparation of graphitic C3N3P material
US-9409936-B2 · Aug 9, 2016 · US
Preparation of Graphitic C3N3P Material
US-2016176904-A1 · Jun 23, 2016 · US
Additive for electrolyte of lithium battery, electrolyte including the same, and lithium battery using the electrolyte
US-2016056503-A1 · Feb 25, 2016 · US