Aqueous ink, ink cartridge and ink jet recording method
US-11702556-B2 · Jul 18, 2023 · US
Mixtures of two or more disazo dyes
Mixtures of two or more disazo dyes · 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 | C09B67/0055 |
| Official title | {Mixtures of two or more disazo dyes} |
| Display label | Mixtures of two or more disazo dyes |
| Total patents | 25 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 5 |
| 2017 | 4 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Dichroic dye and liquid crystal composition
US-11584853-B2 · Feb 21, 2023 · US
Ink set
US-11572485-B2 · Feb 7, 2023 · US
Coloured or black particles
US-2022291566-A1 · Sep 15, 2022 · US
Dichroic dye and liquid crystal composition
US-2022073750-A1 · Mar 10, 2022 · US
Aqueous ink, ink cartridge and ink jet recording method
US-2021139724-A1 · May 13, 2021 · US
Ink set
US-2020248024-A1 · Aug 6, 2020 · US
C.I. pigment yellow 155 and process for preparing the same, pigment composition and colorant composition containing the pigment, and use thereof as colorant
US-10513613-B2 · Dec 24, 2019 · US
Dye compound, composition comprising dye compound, and display device using dye compound
US-10442931-B2 · Oct 15, 2019 · US
Dye compound, composition comprising dye compound, and display device using dye compound
US-2018355179-A1 · Dec 13, 2018 · US
C.i. pigment yellow 155 and process for preparing the same, pigment composition and colorant composition containing the pigment, and use thereof as colorant
US-2017313884-A1 · Nov 2, 2017 · US
Polarizing film and optical film and display device
US-2017219751-A1 · Aug 3, 2017 · US
Yellow Colorant Composition Having Improved Chroma And Hue, Pigment Composition Therefor, And Use Thereof
US-2017218203-A1 · Aug 3, 2017 · US
Ink jet for printing, ink jet ink set, and printing method
US-9650529-B2 · May 16, 2017 · US
Compound having azo skeleton and pigment dispersant, pigment composition, pigment dispersion, and toner containing the compound
US-9470995-B2 · Oct 18, 2016 · US
Inks and a process for ink-jet printing textile fibre materials
US-9371463-B2 · Jun 21, 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
Electrowetting fluids
US-2015355456-A1 · Dec 10, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09B67/0055?
- CPC C09B67/0055 is the Cooperative Patent Classification code for “Mixtures of two or more disazo dyes.”
- How many patents are filed under CPC C09B67/0055 (Mixtures of two or more disazo dyes)?
- Our database includes 25 publications tagged with this CPC code.
- Is patent activity under CPC C09B67/0055 growing?
- Publication counts under this code: 2 in 2022 vs 3 in 2023 (latest complete years).