Sodium percarbonate particles (A)

US4156039A · kind A · utility

Assignee

• Deutsche Gold- und Silber-Scheideanstalt Vormals Roessler

Inventors

• Hans Klebe · Rheinfelden (Baden), DE
• Gerd Knippschild · Bad Nauheim, DE
• Hubert Schuster · Rheinfelden (Baden), DE

Key dates

• Filing date: Sep 27, 1977
• Grant date: May 22, 1979
• Expiry date: Sep 27, 1997

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C01B15/106
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

There are prepared sodium percarbonate particles comprising a sodium percarbonate nucleus encased in a layer of dehydrated sodium perborate or a mixture of dehydrated sodium perborate and sodium silicate with or without additional water binding materials chemically inert to sodium percarbonate and dehydrated sodium perborate.