Patent · US Expired

Polymorphic forms of sertraline hydrochloride

US6939992B2 · kind B2 · utility

12Cited by
6References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 15, 2003
Grant dateSep 6, 2005
Priority date
Expiry dateDec 15, 2023

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C2602/10
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A crystalline form of sertraline hydrochloride was found, referred to hereinafter as polymorphic form CSC2 having a dissolution rate which surprisingly will increase rate of absorption of a drug.Furthermore, different crystalline forms of sertraline hydrochloride alcohol solvates, crystalline forms of sertraline hydrochloride hydrates, referred to hereinafter as polymorphic form CSC1, a process for the preparation of the amorphous form of sertraline hydrochloride, and different processes for the preparation of polymorphic forms I, II, V, and T1 are disclosed.

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