Patent · US Expired

Water-soluble granules of salen-type manganese complexes

US6828293B1 · kind B1 · utility

62Cited by

3References

14Claims

0Family size

Assignee

Ciba Specialty Chemicals Corporation · US

Inventors

Menno Hazenkamp · Riehen, CH
Frank Bachmann · Glückstadt, DE
Cornelia Makowka · Laufenbürg, DE
Petr Kvita · Reinach, CH
Rolf Kuratli · Basel, CH
Anita Schmidlin · Sisseln, CH

Key dates

Filing date	Jan 24, 2002
Grant date	Dec 7, 2004
Priority date	—
Expiry date	Mar 15, 2022

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC11D3/3937
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Water-soluble granules of salen-type manganese complexes that are suitable as catalysts in reactions with peroxy compounds are described. The granules are used especially in washing agents. They are distinguished by retarded dissolution and improved action of the manganses complexes.

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