Phthalocyanine pigment, phthalocyanine compound, coloring composition, method for producing phthalocyanine pigment, and method for producing coloring composition
US-2025197642-A1 · Jun 19, 2025 · US
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Obtaining compounds having oxygen atoms directly bound to the phthalocyanine skeleton
Obtaining compounds having oxygen atoms directly bound to the phthalocyanine skeleton · 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 | C09B47/18 |
| Official title | Obtaining compounds having oxygen atoms directly bound to the phthalocyanine skeleton |
| Display label | Obtaining compounds having oxygen atoms directly bound to the phthalocyanine skeleton |
| Total patents | 17 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 2 |
| 2017 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 4 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Compound, photosensitive resin composition including the same, photosensitive resin layer, color filter and display device
US-11852971-B2 · Dec 26, 2023 · US
Compound
US-2023279034-A1 · Sep 7, 2023 · US
Color resist material, filter, and preparation method thereof
US-11732137-B2 · Aug 22, 2023 · US
Photosensitive resin composition, photosensitive resin layer using the same and color filter
US-11681217-B2 · Jun 20, 2023 · US
Color resist material, filter, and preparation method thereof
US-2022119643-A1 · Apr 21, 2022 · US
Conjugate of biotin-modified dimer and phthalocyanine dye
US-2022016245-A1 · Jan 20, 2022 · US
Compound, photosensitive resin composition including the same, photosensitive resin layer, color filter and display device
US-2021124264-A1 · Apr 29, 2021 · US
Photosensitive resin composition, photosensitive resin layer using the same and color filter
US-2020142301-A1 · May 7, 2020 · US
Dye and dye composition
US-10428219-B2 · Oct 1, 2019 · US
Dye and dye composition
US-2017253741-A1 · Sep 7, 2017 · US
Novel compound, photosensitive resin composition for color filter comprising the same and color filter
US-2016319130-A1 · Nov 3, 2016 · US
Aryloxy-phthalocyanines of group IV metals
US-9362509-B2 · Jun 7, 2016 · US
Aryloxy-phthalocyanines of group iv metals
US-2015255732-A1 · Sep 10, 2015 · US
Colored curable composition and color filter
US-9068082-B2 · Jun 30, 2015 · US
Aryloxy-phthalocyanines of group IV metals
US-9040710-B2 · May 26, 2015 · US
Colored curable composition and color filter
US-2015108086-A1 · Apr 23, 2015 · US