Optical sheet and optical component
US-12442954-B2 · Oct 14, 2025 · US
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Aceto- or benzoylacetylarylides
Aceto- or benzoylacetylarylides · 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 | C09B29/33 |
| Official title | Aceto- or benzoylacetylarylides |
| Display label | Aceto- or benzoylacetylarylides |
| Total patents | 13 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 1 |
| 2022 | 1 |
| 2023 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Aqueous ink, ink cartridge and ink jet recording method
US-2025206972-A1 · Jun 26, 2025 · US
Optical sheet and optical component
US-2023011467-A1 · Jan 12, 2023 · US
Coated colorant, coloring composition, and coated colorant manufacturing method
US-2022098415-A1 · Mar 31, 2022 · US
Pigment composition production method
US-10538668-B2 · Jan 21, 2020 · US
Coloring composition, method for producing coloring composition, color filter, pattern forming method, method for manufacturing color filter, solid-state imaging device, and image display device
US-10241247-B2 · Mar 26, 2019 · US
Pigment composition production method
US-2018305553-A1 · Oct 25, 2018 · US
Yellow toner
US-10088768-B2 · Oct 2, 2018 · US
Yellow toner
US-2018066138-A1 · Mar 8, 2018 · US
Near infrared-reflecting/transmitting azo pigment, method for manufacturing near infrared-reflecting/transmitting azo pigment, colorant composition using said azo pigments, item-coloring method and colored item
US-9822266-B2 · Nov 21, 2017 · US
Coloring composition, method for producing coloring composition, color filter, pattern forming method, method for manufacturing color filter, solid-state imaging device, and image display device
US-2017269270-A1 · Sep 21, 2017 · US
C.I. pigment yellow 74 (insoluble AZO pigment), and coloring composition using same
US-9657176-B2 · May 23, 2017 · US
Near infrared-reflecting/transmitting azo pigment, method for manufacturing near infrared-reflecting/transmittingazo pigment, colorant composition using said azo pigments, item-coloring method and colored item
US-2016333202-A1 · Nov 17, 2016 · US