Process for producing alkyl sulfonic acid
US-2025162984-A1 · May 22, 2025 · US
This page is not indexed by search engines while we improve data quality.
by oxidation of thiols, sulfides, hydropolysulfides, or polysulfides with formation of sulfo or halosulfonyl groups
by oxidation of thiols, sulfides, hydropolysulfides, or polysulfides with formation of sulfo or halosulfonyl groups · 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 | C07C303/16 |
| Official title | by oxidation of thiols, sulfides, hydropolysulfides, or polysulfides with formation of sulfo or halosulfonyl groups |
| Display label | by oxidation of thiols, sulfides, hydropolysulfides, or polysulfides with formation of sulfo or halosulfonyl groups |
| Total patents | 15 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 4 |
| 2019 | 4 |
| 2020 | 1 |
| 2023 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for enzymatic oxidation of sulfinic acids to sulfonic acids
US-2023406817-A1 · Dec 21, 2023 · US
Process for the preparation of an alkanesulfonic acid
US-10703715-B2 · Jul 7, 2020 · US
Process for operating a plant for preparing an alkanesulfonic acid
US-10494331-B2 · Dec 3, 2019 · US
Process for preparing an alkanesulphonic acid
US-10399934-B2 · Sep 3, 2019 · US
Process for operating a plant for preparing an alkanesulfonic acid
US-2019077748-A1 · Mar 14, 2019 · US
Process for the preparation of an alkanesulfonic acid
US-2019071394-A1 · Mar 7, 2019 · US
Process for preparing an alkanesulphonic acid
US-2018354897-A1 · Dec 13, 2018 · US
Catalyst for oxidation reactions, a method for its preparation and the use thereof
US-10052620-B2 · Aug 21, 2018 · US
Process for preparing alkanesulfonic acids
US-10023531-B2 · Jul 17, 2018 · US
Catalyst for oxidation reactions, a method for its preparation and the use thereof
US-2018133704-A1 · May 17, 2018 · US
Sulfur composites and polymeric materials from elemental sulfur
US-9567439-B1 · Feb 14, 2017 · US
Process for preparing alkanesulfonic acids
US-2016304446-A1 · Oct 20, 2016 · US
Direct trifluoromethylations using trifluoromethane
US-9334253-B2 · May 10, 2016 · US
Method for compressing gases containing hydrogen sulfide
US-9067872-B2 · Jun 30, 2015 · US