Preparation of mixed metal oxides by thermal decomposition of metal salts

• US 3,378,335 A
• Filed: 02/26/1964
• Issued: 04/16/1968
• Est. Priority Date: 02/24/1964
• Status: Expired due to Term

• Current Assignee: David Ellis John, Maxwell Nicholls Arthur
• Original Assignee: David Ellis John, Maxwell Nicholls Arthur
• Inventors: DAVID ELLIS JOHN, MAXWELL NICHOLLS ARTHUR
• Application Number:
  US04/347,375
• Time in Patent Office: 1,511 Days
• US Class Current: 423/99
• CPC Class Codes: C01B 13/14 Methods for preparing oxides or hydroxides in general particular individual oxides or hydroxides, see the relevant groups of subclasses C01B - C01G or C25B, according to the element combined with the oxygen or hydroxy group
• CPC Class Codes: C01B 13/18 by thermal decomposition of compounds, e.g. of salts or hydroxides
• CPC Class Codes: C01B 13/34 by oxidation or hydrolysis of sprayed or atomised solutions
• CPC Class Codes: C01G 49/0018 Mixed oxides or hydroxides, C01G49/0009 takes precedence
• CPC Class Codes: C01G 49/0036 containing one alkaline earth metal, magnesium or lead
• CPC Class Codes: C01G 49/0063 containing zinc
• CPC Class Codes: C01G 53/00 Compounds of nickel
• CPC Class Codes: C01P 2004/62 Submicrometer sized, i.e. from 0.1-1 micrometer
• CPC Class Codes: C01P 2006/42 Magnetic properties
• CPC Class Codes: C01P 2006/60 Optical properties, e.g. expressed in CIELAB-values
• CPC Class Codes: H01F 1/0313 Oxidic compounds
• CPC Class Codes: H01F 1/11 in the form of particles for magnetic record carriers G11B5/70626

Claims