Patent · US Expired

Intermediates in cefprozil production

US7355041B2 · kind B2 · utility

2Cited by

7References

10Claims

0Family size

Assignee

Sandoz AG · CH

Inventors

Julia Greil · Alpbach, AT
Johannes Ludescher · Feldbach, AT
Siegfried Wolf · Brixlegg, AT

Key dates

Filing date	Jul 31, 2002
Grant date	Apr 8, 2008
Priority date	—
Expiry date	Oct 19, 2022

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D501/00
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

A salt of PACA with an amidine and its use in the production of cefprozil.

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