Method for production of elemental sulfur and sulfuric acid
US-12545580-B2 · Feb 10, 2026 · US
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from non-gaseous sulfur compounds other than sulfides or materials containing such sulfides
from non-gaseous sulfur compounds other than sulfides or materials containing such sulfides · 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 | C01B17/0253 |
| Official title | {from non-gaseous sulfur compounds other than sulfides or materials containing such sulfides} |
| Display label | from non-gaseous sulfur compounds other than sulfides or materials containing such sulfides |
| Total patents | 24 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 4 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 5 |
| 2023 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for production of elemental sulfur by part or fully catalytic oxidation of Claus tail gas
US-11807527-B2 · Nov 7, 2023 · US
Method for production of sulfur and sulfuric acid
US-11691877-B2 · Jul 4, 2023 · US
Revamping of a claus plant with a sulfuric acid plan
US-11618677-B2 · Apr 4, 2023 · US
Method for production of elemental sulfur by part or fully catalytic oxidation of claus tail gas
US-2022234891-A1 · Jul 28, 2022 · US
Method for production of elemental sulfur and sulfuric acid
US-2022227625-A1 · Jul 21, 2022 · US
Revamping of a claus plant with a sulfuric acid plan
US-2022177306-A1 · Jun 9, 2022 · US
Method for production of sulfur and sulfuric acid
US-2022177307-A1 · Jun 9, 2022 · US
Continuous process for producing insoluble sulfur
US-11225411-B2 · Jan 18, 2022 · US
Method for the manufacture of cyclododecasulfur
US-11059722-B2 · Jul 13, 2021 · US
Method for treating sulfur hexafluoride using radiation and apparatus for collecting and treating by-products
US-11058984-B2 · Jul 13, 2021 · US
Continuos process for producing insoluble sulfur
US-2021198108-A1 · Jul 1, 2021 · US
Method for the manufacture of cyclododecasulfur
US-2020216316-A1 · Jul 9, 2020 · US
Method for the manufacture of cyclododecasulfur
US-2020207621-A1 · Jul 2, 2020 · US
Method for the manufacture of cyclododecasulfur
US-10611637-B2 · Apr 7, 2020 · US
Method for the manufacture of cyclododecasulfur
US-2018273382-A1 · Sep 27, 2018 · US
Method for the manufacture of cyclododecasulfur
US-10011485-B2 · Jul 3, 2018 · US
Method for the manufacture of polymeric sulfur
US-10000380-B2 · Jun 19, 2018 · US
Production method for particles of element having standard electrode potential greater than 0V
US-9928945-B2 · Mar 27, 2018 · US
Method for the manufacture of cyclododecasulfur
US-2017253484-A1 · Sep 7, 2017 · US