Patent · US Active

Crystal forms and production methods thereof

US11767293B2 · kind B2 · utility

1Cited by
62References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 19, 2022
Grant dateSep 26, 2023
Priority date
Expiry dateMay 19, 2042

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07B2200/13
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The various aspects present inventions provide various crystalline forms of (S)-(−)-amisulpride, (R)-(+)-amisulpride, and solvates thereof and methods of making same. In various aspects, the inventions also provide methods of resolving racemic amisulpride.

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