Pigment preparations
US-12163031-B2 · Dec 10, 2024 · US
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of monoazo compounds
of monoazo compounds · 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 | C09B67/0029 |
| Official title | {of monoazo compounds} |
| Display label | of monoazo compounds |
| 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 | 1 |
| 2016 | 1 |
| 2017 | 5 |
| 2018 | 3 |
| 2020 | 1 |
| 2021 | 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
Polyamide molding compositions with improved optical properties and use of colorants therein
US-11155692-B2 · Oct 26, 2021 · US
Polyamide molding compositions with improved optical properties and use of colorants therein
US-2020339778-A1 · Oct 29, 2020 · US
Metal azo pigments
US-10059844-B2 · Aug 28, 2018 · US
Metal azo pigments
US-10023744-B2 · Jul 17, 2018 · US
Metal azo pigments
US-10017645-B2 · Jul 10, 2018 · US
Metal azo pigments
US-2017275466-A1 · Sep 28, 2017 · US
Metal azo pigments
US-2017275467-A1 · Sep 28, 2017 · US
Metal azo pigments
US-2017275468-A1 · Sep 28, 2017 · US
Metal azo pigments
US-9663660-B2 · May 30, 2017 · US
C.I. pigment yellow 74 (insoluble AZO pigment), and coloring composition using same
US-9657176-B2 · May 23, 2017 · US
Metal azo pigments
US-2016280923-A1 · Sep 29, 2016 · US
Metal azo pigments and pigment preparations produced therefrom
US-8932786-B2 · Jan 13, 2015 · US