O-hydroxy-functionalized diamines, polyimides, methods of making each, and methods of use
US-10240001-B2 · Mar 26, 2019 · US
This page is not indexed by search engines while we improve data quality.
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 | C07C2103/97 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 18 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 5 |
| 2017 | 8 |
| 2018 | 1 |
| 2019 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Spirofluorene derivative, material for light-emitting element, light-emitting element, light-emitting device, and electronic device
US-9899602-B2 · Feb 20, 2018 · US
Synthetic building blocks for the production of materials for organic electroluminescence devices
US-9718764-B2 · Aug 1, 2017 · US
Hole transport materials
US-2017200893-A1 · Jul 13, 2017 · US
O-hydroxy-functionalized diamines, polyimides, methods of making each, and methods of use
US-2017190842-A1 · Jul 6, 2017 · US
Method for the synthesis of khusimone
US-9650324-B2 · May 16, 2017 · US
Condensed-cyclic compound and organic light-emitting diode including the same
US-9653689-B2 · May 16, 2017 · US
Salt, acid generator, photoresist composition, and method for producing photoresist pattern
US-9645490-B2 · May 9, 2017 · US
Heterocyclic compound comprising aromatic amine group and organic light-emitting diode including the same
US-2017062729-A1 · Mar 2, 2017 · US
Material for organic electroluminescence device and organic electroluminescence device using the same
US-9537103-B1 · Jan 3, 2017 · US
Materials for Electronic Devices
US-2016254456-A1 · Sep 1, 2016 · US
Hole transport material
US-2016254449-A1 · Sep 1, 2016 · US
Materials for organic electroluminescent devices
US-9312495-B2 · Apr 12, 2016 · US
Synthetic building blocks for the production of materials for organic electroluminescence devices
US-2016046563-A1 · Feb 18, 2016 · US
Novel carbo- and heterocyclic spiro compounds as donor materials for organic photovoltaics and their preparation
US-2016043323-A1 · Feb 11, 2016 · US
Inhibitors of beta-secretase
US-2015239849-A1 · Aug 27, 2015 · US
Phenanthrene compounds for organic electronic devices
US-2015155491-A1 · Jun 4, 2015 · US
Benzofluorene compound and use thereof
US-8993805-B2 · Mar 31, 2015 · US