Water-soluble azo compound or salt thereof, ink and recording medium
US-11512203-B2 · Nov 29, 2022 · US
linking amino-azo or cyanuric acid residues · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C09B43/16 |
| Official title | linking amino-azo or cyanuric acid residues |
| Display label | linking amino-azo or cyanuric acid residues |
| Total patents | 12 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11512203-B2 · Nov 29, 2022 · US
US-2021292566-A1 · Sep 23, 2021 · US
US-10538670-B2 · Jan 21, 2020 · US
US-10301430-B2 · May 28, 2019 · US
US-2019153231-A1 · May 23, 2019 · US
US-9896545-B2 · Feb 20, 2018 · US
US-2018022872-A1 · Jan 25, 2018 · US
US-2017233529-A1 · Aug 17, 2017 · US
US-9644071-B1 · May 9, 2017 · US
US-9587129-B2 · Mar 7, 2017 · US
US-2016137859-A1 · May 19, 2016 · US
US-2016102208-A1 · Apr 14, 2016 · US