Patent · US Active

Process for the synthesis of rifaximin and a new pseudo-crystalline form of rifaximin obtained thereby

US9150590B2 · kind B2 · utility

0Cited by

0References

11Claims

0Family size

Assignee

Friulchem Spa · IT

Inventors

Disma Mazzola · Voghera, IT
Silvia Moiana · Como, IT
Germano Coppi · Romano Banco, IT

Key dates

Filing date	May 21, 2012
Grant date	Oct 6, 2015
Priority date	—
Expiry date	May 21, 2032

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61P31/04
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Process for the preparation of rifaximin, pseudo-crystalline rifaximin and a new pseudo-crystalline form of rifaximin with fewer impurities obtained thereby.

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