Composition

US8809252B2 · kind B2 · utility

Assignee

• Reckitt Benckiser LLC · US

Inventors

• Kai Heppert · Heidelberg, DE
• Stefan Frey · Hettenleidelheim, DE
• Ralf Wiedemann · Mira, IT
• Ralf Hofsaess · Ludwigshafen, DE
• Christian Schneeweiss · Ludwigshafen, DE

Key dates

• Filing date: Sep 26, 2008
• Grant date: Aug 19, 2014
• Expiry date: Nov 15, 2029

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D3/505
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A particulate material comprising a bleach catalyst wherein the particles of the bleach catalyst have a coating and the weight ratio of the coating to the bleach catalyst is in the range of from 10-60 wt %. The particulate material exhibits good stability.