Patent · US Expired

Reference standards for determining the purity or stability of amlodipine maleate and processes therefor

US6830933B2 · kind B2 · utility

5Cited by

7References

16Claims

0Family size

Assignee

Synthon B.V. · NL

Inventors

Jacobus Lemmens · Nijmegen, NL
Theodorus Peters · Arnhem, NL
Peter Bakker · Munich, DE
Frantisek Picha · Brno, CZ

Key dates

Filing date	Aug 27, 2001
Grant date	Dec 14, 2004
Priority date	—
Expiry date	Dec 13, 2022

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T436/25375
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

Amlodipine aspartate and amlodipine maleamide are used as reference standards or markers in determining the purity of amlodipine maleate substances and products.

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