Patent · US Expired

Chlorhexidine formulations, new chlorhexidine salts, solutions containing these and their use

US6500466B2 · kind B2 · utility

3Cited by

2References

6Claims

0Family size

Assignee

Degussa AG · DE

Inventors

Peter Werle · Gelnhausen, DE
Friedhelm Merz · Nierstein, DE
Judith N. Jørgensen · Haslev, DK
Martin Trageser · Gelnhausen, DE

Key dates

Filing date	Dec 13, 1999
Grant date	Dec 31, 2002
Priority date	—
Expiry date	Dec 13, 2019

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61P31/02
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Powdered mixtures of chlorhexidine base with selected sugar acids or lactones from the group gluconic acid or gluconolactone, lactobionic acid (I), D-galactono-&ggr;-lactone (II), L-mannono-&ggr;-lactone (III), D-(−)-gulono-&ggr;-lactone (IV), D-(+)-galacturonic acid (V) and &agr;-D-heptaglucono-&ggr;-lactone (VI). The formulations have extraordinary storage stability. New chlorhexidine salts with sugar acid anions based on (I) to (VI) and aqueous solutions of these are also described. The formulations, solutions and pure salts are used as disinfectants and to prepare disinfectants.

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