Neodymium hydroxynitrate

US4999180A · kind A · utility

Assignee

• Rhone-Poulenc Specialities Chimiques · FR

Inventors

• Claire Gourlaouen · Paris, FR
• Claude Magnier · Paris, FR
• Bertrand Latourrette · Le Raincy, FR
• Anne Tugaye · Bougival, FR
• Francoise Deneuve · Paris, FR

Key dates

• Filing date: Jul 11, 1986
• Grant date: Mar 12, 1991
• Expiry date: Jul 11, 2006

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C01P2006/13
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

A neodymium hydroxynitrate, readily calcined into, e.g., neodymium oxide, Nd.sub.2 O.sub.3, has the formula (I): EQU Nd(OH).sub.2 NO.sub.3.1H.sub.2 O (I)