Hole injection layer and charge generation layer containing a truxene based compound
US-11839147-B2 · Dec 5, 2023 · US
the carbon skeleton being further substituted by etherified hydroxy groups
the carbon skeleton being further substituted by etherified hydroxy groups · 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 | C07C255/37 |
| Official title | the carbon skeleton being further substituted by etherified hydroxy groups |
| Display label | the carbon skeleton being further substituted by etherified hydroxy groups |
| Total patents | 70 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 11 |
| 2017 | 5 |
| 2018 | 8 |
| 2019 | 1 |
| 2020 | 8 |
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 13 |
| 2024 | 5 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Materials for organic electroluminescent devices
US-11767299-B2 · Sep 26, 2023 · US
Organic Electronic Device Comprising a Compound of Formula (I), Display Device Comprising the Organic Electronic Device as Well as Compounds of Formula (I) for Use in Organic Electronic Devices
US-2023247901-A1 · Aug 3, 2023 · US
Organic Electronic Device and Display Device Comprising the Organic Electronic Device as Well as a Composition for Use in Organic Electronic Devices
US-2023240138-A1 · Jul 27, 2023 · US
Organic Compound of Formula (I) for Use in Organic Electronic Devices, a Composition Comprising a Compound of Formula (IV) and at Least One Compound of Formula (IVa) to (IVd), an Organic Semiconductor Layer Comprising the Compound or Composition, an Organic Electronic Device Comprising the Organic Semiconductor Layer, and a Display Device Comprising the Organic Electronic Device
US-2023240139-A1 · Jul 27, 2023 · US
Organic Electronic Device Comprising a Compound of Formula (1), Display Device Comprising the Organic Electronic Device as Well as Compounds of Formula (1) for Use in Organic Electronic Devices
US-2023240132-A1 · Jul 27, 2023 · US
Organic Electronic Device Comprising a Compound of Formula (I), Display Device Comprising the Organic Electronic Device as Well as Compounds of Formula (I) for Use in Organic Electronic Devices
US-2023232711-A1 · Jul 20, 2023 · US
Organic Compound of Formula (I) for Use in Organic Electronic Devices, a Composition Comprising a Compound of Formula (IV) and at Least One Compound of Formula (IVa) to (IVd), an Organic Semiconductor Layer Comprising the Compound or Composition, an Organic Electronic Device Comprising the Organic Semiconductor Layer, and a Display Device Comprising the Organic Electronic Device
US-2023227401-A1 · Jul 20, 2023 · US
Organic Compound of Formula (I) for Use in Organic Electronic Devices, an Organic Electronic Device Comprising a Compound of Formula (I) and a Display Device Comprising the Organic Electronic Device
US-2023232710-A1 · Jul 20, 2023 · US
Organic Electronic Device and Display Device Comprising the Organic Electronic Device as Well as a Composition for Use in Organic Electronic Devices
US-2023232712-A1 · Jul 20, 2023 · US
Organic Compound of Formula (I) for Use in Organic Electronic Devices, an Organic Electronic Device Comprising a Compound of Formula (I) and a Display Device Comprising the Organic Electronic Device
US-2023225141-A1 · Jul 13, 2023 · US
Compound and organic light emitting device comprising same
US-11495745-B2 · Nov 8, 2022 · US
Novel small molecules that bind and/or modulate differentforms of tau oligomers
US-2022204462-A1 · Jun 30, 2022 · US
Prostaglandin E synthase inhibitors and methods for utilizing the same
US-11325901-B2 · May 10, 2022 · US
Prostaglandin E Synthase Inhibitors and Methods for Utilizing the Same
US-2022081432-A1 · Mar 17, 2022 · US
ADDITIVES FOR ELECTROLYTES IN Li-IONS BATTERIES
US-2021376381-A1 · Dec 2, 2021 · US
Compound and organic electronic element comprising same
US-11165025-B2 · Nov 2, 2021 · US
Methods and compositions for substituted arylcycloheptane analogs
US-2021300928-A1 · Sep 30, 2021 · US
Modulators of the integrated stress pathway
US-2020361941-A1 · Nov 19, 2020 · US
Nitrile oxide compound, composition, modified polyolefin and method for producing same, and method for producing block copolymer
US-2020283429-A1 · Sep 10, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C255/37?
- CPC C07C255/37 is the Cooperative Patent Classification code for “the carbon skeleton being further substituted by etherified hydroxy groups.”
- How many patents are filed under CPC C07C255/37 (the carbon skeleton being further substituted by etherified hydroxy groups)?
- Our database includes 70 publications tagged with this CPC code.
- Is patent activity under CPC C07C255/37 growing?
- Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).