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Phthalocyanines {abbreviation: Pc}
Phthalocyanines {abbreviation: Pc} · 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 | C09B47/04 |
| Official title | Phthalocyanines {abbreviation: Pc} |
| Display label | Phthalocyanines {abbreviation: Pc} |
| Total patents | 142 |
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 | 12 |
| 2016 | 10 |
| 2017 | 17 |
| 2018 | 16 |
| 2019 | 10 |
| 2020 | 17 |
| 2021 | 15 |
| 2022 | 13 |
| 2023 | 13 |
| 2024 | 12 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Coloring composition, color filter, pattern forming method, solid-stage imaging element, and image display device
US-2019163053-A1 · May 30, 2019 · US
Display device
US-2019113799-A1 · Apr 18, 2019 · US
Organic pigment composition for color filters, method for producing same, and color filter
US-10247863-B2 · Apr 2, 2019 · US
Near infrared ray absorbent composition, near infrared ray cut filter, solid image pickup element, and camera module
US-10215898-B2 · Feb 26, 2019 · US
Curable coloring composition, color filter, solid-state imaging device, image display device, and method for producing cured film
US-2018348630-A1 · Dec 6, 2018 · US
Photoelectric conversion film, solid state imaging element, and electronic device
US-2018342683-A1 · Nov 29, 2018 · US
Photoelectric conversion element and solid-state imaging device
US-2018342627-A1 · Nov 29, 2018 · US
Compound, photosensitive resin composition including the same, and color filter
US-2018335547-A1 · Nov 22, 2018 · US
Coloring composition, color filter, pattern forming method, solid-state imaging device, and image display device
US-2018329295-A1 · Nov 15, 2018 · US
Near-infrared absorbing composition for solid-state imaging device and filter
US-2018319989-A1 · Nov 8, 2018 · US
Ga-naphthalocyanine chromophores with short chain alkoxy axial substituents
US-2018251644-A1 · Sep 6, 2018 · US
Photosensitive resin composition and color filter using the same
US-10007028-B2 · Jun 26, 2018 · US
Electro-polarizable compound and capacitor
US-9978517-B2 · May 22, 2018 · US
Organic pigment composition for color filters, method for producing same, and color filter
US-2018095205-A1 · Apr 5, 2018 · US
Colorant, colored resin composition comprising the same, and color filter
US-2018094141-A1 · Apr 5, 2018 · US
Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and phthalocyanine pigment
US-9921499-B2 · Mar 20, 2018 · US
Oxocarbon-, Pseudooxocarbon- and Radialene Compounds and Their Use
US-2018076389-A1 · Mar 15, 2018 · US
Coloring composition, film, color filter, pattern forming method, method for manufacturing color filter, solid image pickup element, and infrared sensor
US-2018057690-A1 · Mar 1, 2018 · US
Film, film forming method, solid image pickup element, and infrared sensor
US-2018039171-A1 · Feb 8, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09B47/04?
- CPC C09B47/04 is the Cooperative Patent Classification code for “Phthalocyanines {abbreviation: Pc}.”
- How many patents are filed under CPC C09B47/04 (Phthalocyanines {abbreviation: Pc})?
- Our database includes 142 publications tagged with this CPC code.
- Is patent activity under CPC C09B47/04 growing?
- Publication counts under this code: 12 in 2024 vs 6 in 2025 (latest complete years).