Patent · US Active

Catalysts for the synthesis of alkanesulfonic acids

US11542230B2 · kind B2 · utility

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1References
8Claims
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Assignee

Inventors

Key dates

Filing dateFeb 13, 2019
Grant dateJan 3, 2023
Priority date
Expiry dateFeb 13, 2039

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C309/04
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The present invention relates to novel uses of stable inorganic peroxoacids as catalysts in the preparation of alkanesulfonic acids from alkanes and sulfur trioxide, methods for the production of alkanesulfonic acids employing said catalysts as well as reaction mixtures comprising said catalysts. The invention particularly relates to the production of methanesulfonic acid from methane and sulfur trioxide employing stable inorganic peroxoacids as catalysts.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.