Recrystallized HI-6 dimethylsulfate
US-11986779-B2 · May 21, 2024 · US
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Esters of sulfonic acids
Esters of sulfonic acids · 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 | C07C309/63 |
| Official title | Esters of sulfonic acids |
| Display label | Esters of sulfonic acids |
| Total patents | 11 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 1 |
| 2021 | 3 |
| 2022 | 1 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
2-ethylhexanol ethoxylate as a hydrotrope in liquid detergents
US-11332696-B2 · May 17, 2022 · US
Recrystallized HI-6 Dimethylsulfate
US-2021138359-A1 · May 13, 2021 · US
2-ethylhexanol ethoxylate as a hydrotrope in liquid detergents
US-2021032569-A1 · Feb 4, 2021 · US
Polymer solid electrolyte and lithium secondary battery comprising same
US-10886563-B2 · Jan 5, 2021 · US
Polymer solid electrolyte and lithium secondary battery comprising same
US-2019280332-A1 · Sep 12, 2019 · US
Agent for introducing protecting group for hydroxy group and/or mercapto group
US-10160694-B2 · Dec 25, 2018 · US
Agent for introducing protecting group for hydroxy group and/or mercapto group
US-2017305809-A1 · Oct 26, 2017 · US
Acylalkylisethionate esters and applications in consumer products
US-9598358-B2 · Mar 21, 2017 · US
ENANTIOSELECTIVE SYNTHESIS OF alpha-QUATERNARY MANNICH ADDUCTS BY PALLADIUM-CATALYZED ALLYLIC ALKYLATION
US-2016176773-A1 · Jun 23, 2016 · US
Synthesis process, and crystalline form of 4-{3-[cis-hexahydrocyclopenta[c]pyrrol-2(1H)-yl]propoxy} benzamide hydrochloride and pharmaceutical compositions containing it
US-8952179-B2 · Feb 10, 2015 · US