Sulfur recovery by solidifying sulfur on reactor catalyst
US-11655149-B1 · May 23, 2023 · US
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at least one catalyst bed operating below the dew-point of sulfur
at least one catalyst bed operating below the dew-point of sulfur · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C01B17/0439 |
| Official title | {at least one catalyst bed operating below the dew-point of sulfur} |
| Display label | at least one catalyst bed operating below the dew-point of sulfur |
| Total patents | 8 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be growing based on the most recent years.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2017 | 2 |
| 2022 | 1 |
| 2023 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Sulfur Recovery by Solidifying Sulfur on Reactor Catalyst
US-2023139298-A1 · May 4, 2023 · US
Methods and systems of sub-dew point sulfur recovery with interstage membrane units
US-11530131-B1 · Dec 20, 2022 · US
Apparatus for in-situ production of low dissolved hydrogen sulfide, degassed, sulfur from Claus sulfur recovery
US-9789433-B2 · Oct 17, 2017 · US
Apparatus for in-situ production of low dissolved hydrogen sulfide, degassed, sulfur from Claus sulfur recovery
US-9757677-B2 · Sep 12, 2017 · US
Process for in-situ production of low dissolved hydrogen sulfide, degassed, sulfur from Claus sulfur recovery
US-9205364-B2 · Dec 8, 2015 · US
Process for in-situ production of low dissolved hydrogen sulfide, degassed, sulfur from claus sulfur recovery
US-9192887-B2 · Nov 24, 2015 · US
Process for degassing condensed sulfur from a claus sulfur recovery system
US-9138675-B2 · Sep 22, 2015 · US