Magnetic glass particles, method for their preparation and uses thereof

US8129118B2 · kind B2 · utility

Assignee

• Roche Diagnostics GMBH · DE

Inventors

• Kurt Weindel · Schömberg, DE
• Michael Riedling · Saarburg, DE
• Albert Geiger · Fort Saskatchewan, CA

Key dates

• Filing date: May 11, 2005
• Grant date: Mar 6, 2012
• Expiry date: Oct 16, 2025

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C12Q2561/101
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

This invention relates to magnetic particles having a glass surface which are substantially spherical. This invention also relates to methods for making them, as well as to suspensions thereof and their uses for the purification of DNA or RNA in particular in automated processes.