Pigment compositions having a reduced content of aryl amines or n-arylacetoacetamides and oxidation methods for producing the same
US-2026055276-A1 · Feb 26, 2026 · US
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in which the coupling component is a bis-(aceto-acetyl amide) or a bis-(benzoyl-acetylamide)
in which the coupling component is a bis-(aceto-acetyl amide) or a bis-(benzoyl-acetylamide) · 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 | C09B33/153 |
| Official title | in which the coupling component is a bis-(aceto-acetyl amide) or a bis-(benzoyl-acetylamide) |
| Display label | in which the coupling component is a bis-(aceto-acetyl amide) or a bis-(benzoyl-acetylamide) |
| Total patents | 19 |
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 | 4 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Yellow toner
US-11126101-B2 · Sep 21, 2021 · US
Yellow toner
US-2020348610-A1 · Nov 5, 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
Yellow toner
US-10088768-B2 · Oct 2, 2018 · US
Yellow toner
US-9964884-B1 · May 8, 2018 · US
Yellow toner
US-2018120723-A1 · May 3, 2018 · US
Yellow toner
US-2018066138-A1 · Mar 8, 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
Compound having azo skeleton structure, pigment-dispersing agent, pigment composition, pigment dispersion, and toner
US-9625845-B2 · Apr 18, 2017 · US
Ink composition, ink cartridge, ink recording device, and recorded matter
US-9617439-B2 · Apr 11, 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
Azo compound, pigment dispersant containing the azo compound, pigment composition, pigment dispersion and toner
US-9298118-B2 · Mar 29, 2016 · US
Compound having azo skeleton structure, pigment-dispersing agent, pigment composition, pigment dispersion, and toner
US-2016070189-A1 · Mar 10, 2016 · US
Compound having bisazo dye skeleton, pigment composition containing the same, pigment dispersion, ink, and color filter resist composition
US-9249308-B2 · Feb 2, 2016 · US
Ink composition, ink cartridge, ink recording device, and recorded matter
US-2015252203-A1 · Sep 10, 2015 · US
Compound having bisazo skeleton, pigment dispersant containing the compound, pigment composition, pigment dispersion, ink and resist composition for color filter
US-8962726-B2 · Feb 24, 2015 · US
Novel compound having azo skeleton and pigment dispersant, pigment composition, pigment dispersion, and toner containing the compound
US-2015024321-A1 · Jan 22, 2015 · US
Azo compound, pigment dispersant containing the azo compound, pigment composition, pigment dispersion and toner
US-2015004538-A1 · Jan 1, 2015 · US