Imaging compounds for detecting or imaging senescent cells
US-2026077067-A1 · Mar 19, 2026 · US
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Azo dyes containing other chromophoric systems
Azo dyes containing other chromophoric systems · 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 | C09B56/00 |
| Official title | Azo dyes containing other chromophoric systems |
| Display label | Azo dyes containing other chromophoric systems |
| Total patents | 18 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 4 |
| 2017 | 2 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 1 |
| 2024 | 1 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Imaging compounds for detecting or imaging senescent cells
US-12496361-B2 · Dec 16, 2025 · US
Imaging compounds for detecting or imaging senescent cells
US-2025114483-A1 · Apr 10, 2025 · US
Dibenzoxanthene Quenchers, Uses, and Methods of Preparation
US-2025092261-A1 · Mar 20, 2025 · US
Pigment preparations
US-2025084251-A1 · Mar 13, 2025 · US
Dibenzoxanthene quenchers, uses, and methods of preparation
US-2024110063-A1 · Apr 4, 2024 · US
Sensor dyes for real-time sensing of metal ions in aqueous environments
US-11275071-B2 · Mar 15, 2022 · US
Photochromic mixture, formation method and application of photochromic device
US-10961402-B2 · Mar 30, 2021 · US
Dichroic dye compound, polarizing film, and uses thereof
US-10961456-B2 · Mar 30, 2021 · US
Sensor dyes for real-time sensing of metal ions in aqueous environments
US-2020033314-A1 · Jan 30, 2020 · US
Dichroic dye compound, polarizing film, and uses thereof
US-10514484-B2 · Dec 24, 2019 · US
Dichroic dye compound, polarizing film, and uses thereof
US-2017240810-A1 · Aug 24, 2017 · US
Dichroic dye compound, polarizing film, and uses thereof
US-2017242169-A1 · Aug 24, 2017 · US
Coloring composition, anisotropic light absorption film, laminate, polarizing plate, image display device and compound
US-2016340367-A1 · Nov 24, 2016 · US
Azo compound and salt thereof, and dye-based polarizing film and polarizing plate containing the same
US-9341747-B2 · May 17, 2016 · US
Azo Compound and Salt Thereof, And Dye-Based Polarizing Film And Polarizing Plate Containing The Same
US-2016103362-A1 · Apr 14, 2016 · US
Azo compound and salt thereof, and dye-based polarizing film and polarizing plate containing the same
US-9244194-B2 · Jan 26, 2016 · US
Azo Compound And Salt Thereof, And Dye-Based Polarizing Film And Polarizing Plate Containing The Same
US-2015337134-A1 · Nov 26, 2015 · US