Process for conversion of sulfur trioxide and hydrogen production
US-11390522-B2 · Jul 19, 2022 · US
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of sulfur trioxide
of sulfur trioxide · 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 | C01B17/502 |
| Official title | {of sulfur trioxide} |
| Display label | of sulfur trioxide |
| Total patents | 7 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2018 | 1 |
| 2021 | 2 |
| 2022 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Catalyst composition for conversion of sulfur trioxide and hydrogen production process
US-2021220806-A1 · Jul 22, 2021 · US
Process for conversion of sulfur trioxide and hydrogen production
US-2021221683-A1 · Jul 22, 2021 · US
Supported, bimetallic nanoparticles for selective catalysis
US-10016751-B2 · Jul 10, 2018 · US
Supported, bimetallic nanoparticles for selective catalysis
US-2016136632-A1 · May 19, 2016 · US
Hydrogen production process
US-8961922-B2 · Feb 24, 2015 · US
Catalyst for decomposition of sulfur trioxide and hydrogen production process
US-8932555-B2 · Jan 13, 2015 · US