Hole transport material, quantum dot light-emitting device and manufacturing method thereof, and display apparatus
US-12274113-B2 · Apr 8, 2025 · US
This page is not indexed by search engines while we improve data quality.
with only carbon-to-carbon triple bonds as unsaturation
with only carbon-to-carbon triple bonds as unsaturation · 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 | C07C57/18 |
| Official title | with only carbon-to-carbon triple bonds as unsaturation |
| Display label | with only carbon-to-carbon triple bonds as unsaturation |
| Total patents | 15 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Novel fatty acids and their use in conjugation to biomolecules
US-2024066132-A1 · Feb 29, 2024 · US
Fatty acids and their use in conjugation to biomolecules
US-11752211-B2 · Sep 12, 2023 · US
Hole transport material, quantum dot light-emitting device and manufacturing method thereof, and display apparatus
US-2022320453-A1 · Oct 6, 2022 · US
Alkynyl-containing compound additive for non-aqueous electrolyte solution, and non-aqueous electrolyte solution for lithium secondary battery and lithium secondary battery which include the same
US-10923768-B2 · Feb 16, 2021 · US
Novel fatty acids and their use in conjugation to biomolecules
US-2021000964-A1 · Jan 7, 2021 · US
Fatty acids and their use in conjugation to biomolecules
US-10786576-B2 · Sep 29, 2020 · US
Fatty acids and their use in conjugation to biomolecules
US-10588980-B2 · Mar 17, 2020 · US
Complex and process for preparing complex
US-10519170-B2 · Dec 31, 2019 · US
Additive For Non-aqueous Electrolyte Solution, And Non-aqueous Electrolyte Solution For Lithium Secondary Battery And Lithium Secondary Battery Which Include The Same
US-2019334207-A1 · Oct 31, 2019 · US
Methods of producing dicarbonyl compounds
US-10131610-B2 · Nov 20, 2018 · US
Novel fatty acids and their use in conjugation to biomolecules
US-2018326079-A1 · Nov 15, 2018 · US
Complex and process for preparing complex
US-2018186816-A1 · Jul 5, 2018 · US
Process for preparation of alkynyl carboxylic acids
US-9302970-B2 · Apr 5, 2016 · US
Novel fatty acids and their use in conjugation to biomolecules
US-2016030585-A1 · Feb 4, 2016 · US