Naphthalocyanine and phthalocyanine chromophores
US-12359070-B2 · Jul 15, 2025 · US
This page is not indexed by search engines while we improve data quality.
from phthalodinitriles {naphthalenedinitriles, aromatic dinitriles prepared in situ, hydrogenated phthalodinitrile}
from phthalodinitriles {naphthalenedinitriles, aromatic dinitriles prepared in situ, hydrogenated phthalodinitrile} · 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 | C09B47/067 |
| Official title | from phthalodinitriles {naphthalenedinitriles, aromatic dinitriles prepared in situ, hydrogenated phthalodinitrile} |
| Display label | from phthalodinitriles {naphthalenedinitriles, aromatic dinitriles prepared in situ, hydrogenated phthalodinitrile} |
| Total patents | 14 |
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 | 3 |
| 2017 | 2 |
| 2018 | 4 |
| 2020 | 2 |
| 2022 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fluorinated phthalocyanine compound, coloring composition, and inkjet ink
US-2024301210-A1 · Sep 12, 2024 · US
Ir absorbing naphthalocyanine and phthalocyanine chromophores
US-2022098413-A1 · Mar 31, 2022 · US
Phthalonitrile compound
US-10640650-B2 · May 5, 2020 · US
Ga-naphthalocyanine chromophores with short chain alkoxy axial substituents
US-10557047-B2 · Feb 11, 2020 · US
Phthalonitrile compound
US-2018355180-A1 · Dec 13, 2018 · US
Ga-naphthalocyanine chromophores with short chain alkoxy axial substituents
US-2018251644-A1 · Sep 6, 2018 · US
Phthalocyanine synthesis
US-2018127585-A1 · May 10, 2018 · US
Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and phthalocyanine pigment
US-9921499-B2 · Mar 20, 2018 · US
Electrophotographic photosensitive member, process cartridge,electrophotographic apparatus, and phthalocyanine pigment
US-2017123330-A1 · May 4, 2017 · US
Ga-naphthalocyanine chromophores with short chain alkoxy axial substituents
US-2017051166-A1 · Feb 23, 2017 · US
Electrophotographic photosensitive member, manufacturing method of electrophotographic photosensitive member, process cartridge and electrophotographic apparatus, and phthalocyanine crystal and manufacturing method of phthalocyanine crystal
US-2015346617-A1 · Dec 3, 2015 · US
Photoelectric conversion device using TiOF2 as semiconductor
US-9080055-B2 · Jul 14, 2015 · US
High transmissional green dye for LCD and synthetic method thereof
US-9006428-B2 · Apr 14, 2015 · US