Colored pigment particles for electrophoretic displays
US-9846345-B2 · Dec 19, 2017 · US
Cyclic imides or amidines of peri-dicarboxylic acids of the anthracene, benzanthrene, or perylene series
Cyclic imides or amidines of peri-dicarboxylic acids of the anthracene, benzanthrene, or perylene series · 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 | C09B5/62 |
| Official title | Cyclic imides or amidines of peri-dicarboxylic acids of the anthracene, benzanthrene, or perylene series |
| Display label | Cyclic imides or amidines of peri-dicarboxylic acids of the anthracene, benzanthrene, or perylene series |
| Total patents | 142 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 21 |
| 2016 | 18 |
| 2017 | 22 |
| 2018 | 14 |
| 2019 | 15 |
| 2020 | 12 |
| 2021 | 9 |
| 2022 | 15 |
| 2023 | 4 |
| 2024 | 4 |
| 2025 | 5 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fluorescent metal ion indicators with large stokes shifts
US-9846168-B2 · Dec 19, 2017 · US
4-oxoquinoline compounds
US-2017331049-A1 · Nov 16, 2017 · US
4-hydroxyquinoline compounds
US-2017327465-A1 · Nov 16, 2017 · US
Non-fullerene electron acceptors for organic photovoltaic devices
US-9809594-B2 · Nov 7, 2017 · US
Electro-polarizable compound and capacitor
US-2017287637-A1 · Oct 5, 2017 · US
Electro-polarizable compound and capacitor
US-2017287638-A1 · Oct 5, 2017 · US
Highly efficient molecules showing resonant energy transfer
US-2017268746-A1 · Sep 21, 2017 · US
Device for regulating the passage of energy
US-2017267929-A1 · Sep 21, 2017 · US
Water soluble fluorescent or colored dyes and methods for their use
US-9765220-B2 · Sep 19, 2017 · US
Dye compounds for an electrowetting element
US-2017192222-A1 · Jul 6, 2017 · US
Organic semiconductor compounds and methods of use
US-2017186961-A1 · Jun 29, 2017 · US
Boron containing perylene monoimides, a process for their production, their use as building blocks for the production of perylene monoimide derivatives, monoimide derivatives and their use in dye-sensitized solar cells
US-2017178823-A1 · Jun 22, 2017 · US
Chemical self-doping of one-dimensional organic nanomaterials for high conductivity application in chemirsistive sensing gas or vapor
US-2017160252-A1 · Jun 8, 2017 · US
Organic compound, crystal dielectric layer and capacitor
US-2017117097-A1 · Apr 27, 2017 · US
Double donor functionalisation of the peri-positions of perylene and naphthalene monoimide via versatile building blocks
US-9630973-B2 · Apr 25, 2017 · US
Boron containing perylene monoimides, a process for their production, their use as building blocks for the production of perylene monoimide derivatives, monoimide derivatives and their use in dye-sensitized solar cells
US-9624375-B2 · Apr 18, 2017 · US
Aromatic dispersant composition
US-2017088673-A1 · Mar 30, 2017 · US
Non-fullerene electron acceptors for organic photovoltaic devices
US-2017057962-A1 · Mar 2, 2017 · US
New cyclazines and their use as semiconductors
US-2017018717-A1 · Jan 19, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09B5/62?
- CPC C09B5/62 is the Cooperative Patent Classification code for “Cyclic imides or amidines of peri-dicarboxylic acids of the anthracene, benzanthrene, or perylene series.”
- How many patents are filed under CPC C09B5/62 (Cyclic imides or amidines of peri-dicarboxylic acids of the anthracene, benzanthrene, or perylene series)?
- Our database includes 142 publications tagged with this CPC code.
- Is patent activity under CPC C09B5/62 growing?
- Publication counts under this code: 4 in 2024 vs 5 in 2025 (latest complete years).