Patent · US Active

Antimuscarinic compound having a low content of impurities

US9751828B2 · kind B2 · utility

0Cited by

4References

10Claims

0Family size

Assignee

DIPHARMA FRANCIS S.R.L. · IT

Inventors

Pietro Allegrini · Baranzate, IT
Emanuele Attolino · Baranzate, IT
Renzo GRAZIOSI · Baranzate, IT

Key dates

Filing date	Jun 23, 2015
Grant date	Sep 5, 2017
Priority date	—
Expiry date	Jun 23, 2035

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC12P13/005
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Substantially stable to degradation Fesoterodine fumarate, a process for its preparation and a process for the synthesis of specific degradation impurities of Fesoterodine fumarate are disclosed.

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