Sensor dyes for real-time sensing of metal ions in aqueous environments
US-11275071-B2 · Mar 15, 2022 · US
containing acid groups, e.g. COOH, SO3H, PO3H2, OSO3H, OPO3H2; SO2NHSO2R or salts thereof, R being hydrocarbonyls · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C09B29/0801 |
| Official title | {containing acid groups, e.g. COOH, SO3H, PO3H2, OSO3H, OPO3H2; SO2NHSO2R or salts thereof, R being hydrocarbonyls} |
| Display label | containing acid groups, e.g. COOH, SO3H, PO3H2, OSO3H, OPO3H2; SO2NHSO2R or salts thereof, R being hydrocarbonyls |
| Total patents | 8 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 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-11275071-B2 · Mar 15, 2022 · US
US-10968332-B2 · Apr 6, 2021 · US
US-2020033314-A1 · Jan 30, 2020 · US
US-2019211186-A1 · Jul 11, 2019 · US
US-10233307-B2 · Mar 19, 2019 · US
US-2016319105-A1 · Nov 3, 2016 · US
US-9068290-B2 · Jun 30, 2015 · US
US-2015037546-A1 · Feb 5, 2015 · US