Hydrogen sulfide scavengers for polymer treated asphalt
US-10544282-B2 · Jan 28, 2020 · US
Condensed phosphoric acids · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C01B25/24 |
| Official title | Condensed phosphoric acids |
| Display label | Condensed phosphoric acids |
| Total patents | 4 |
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2020 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-10544282-B2 · Jan 28, 2020 · US
US-2018163021-A1 · Jun 14, 2018 · US
US-9731969-B2 · Aug 15, 2017 · US
US-2015225240-A1 · Aug 13, 2015 · US