Process for managing hydrogen sulfide in a refinery
US-11708267-B2 · Jul 25, 2023 · US
by reduction of sulfur compounds · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C01B17/501 |
| Official title | {by reduction of sulfur compounds} |
| Display label | by reduction of sulfur compounds |
| Total patents | 6 |
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2018 | 2 |
| 2022 | 1 |
| 2023 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11708267-B2 · Jul 25, 2023 · US
US-2022194794-A1 · Jun 23, 2022 · US
US-2018375141-A1 · Dec 27, 2018 · US
US-9938158-B2 · Apr 10, 2018 · US
US-2016137524-A1 · May 19, 2016 · US
US-9328399-B2 · May 3, 2016 · US