Pigment preparations
US-12163031-B2 · Dec 10, 2024 · US
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Copper complexes
Copper complexes · 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 | C09B45/485 |
| Official title | {Copper complexes} |
| Display label | Copper complexes |
| Total patents | 7 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 1 |
| 2022 | 1 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pigment preparations
US-2022106487-A1 · Apr 7, 2022 · US
Metal azo pigments
US-10059844-B2 · Aug 28, 2018 · US
Metal azo pigments
US-2017275468-A1 · Sep 28, 2017 · US
Metal azo pigments
US-9663660-B2 · May 30, 2017 · US
Mixtures of reactive dyes and their use in a method of di- or trichromatic dyeing or printing
US-9540765-B2 · Jan 10, 2017 · US
Metal azo pigments
US-2016280923-A1 · Sep 29, 2016 · US