Method of making functionalized quinacridone pigments
US-11084935-B2 · Aug 10, 2021 · US
This page is not indexed by search engines while we improve data quality.
Anthraquinone acridones
Anthraquinone acridones · 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 | C09B5/347 |
| Official title | {Anthraquinone acridones} |
| Display label | Anthraquinone acridones |
| Total patents | 10 |
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 | 4 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of making functionalized quinacridone pigments
US-2020239695-A1 · Jul 30, 2020 · US
Method of making functionalized quinacridone pigments
US-10662334-B2 · May 26, 2020 · US
Method of making functionalized quinacridone pigments
US-2019218397-A1 · Jul 18, 2019 · US
Functionalized quinacridone pigments
US-10196523-B2 · Feb 5, 2019 · US
Functionalized quinacridone pigments
US-2017327692-A1 · Nov 16, 2017 · US
Recording material and optical information recording medium
US-9792944-B2 · Oct 17, 2017 · US
Functionalized quinacridone pigments
US-9752034-B2 · Sep 5, 2017 · US
Functionalized quinacridone pigments
US-2017130053-A1 · May 11, 2017 · US
Recording material and optical information recording medium
US-2016071538-A1 · Mar 10, 2016 · US