Method and system of elemental sulfur recycling and catalyst regenerating for sulfur-deposited catalyst
US-10960391-B2 · Mar 30, 2021 · US
using a liquid extractant · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C01B17/033 |
| Official title | using a liquid extractant |
| Display label | using a liquid extractant |
| 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 |
|---|---|
| 2017 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-10960391-B2 · Mar 30, 2021 · US
US-2020164355-A1 · May 28, 2020 · US
US-10392679-B2 · Aug 27, 2019 · US
US-2017356066-A1 · Dec 14, 2017 · US