B - PERFORMING OPERATIONS
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
B01J - CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY
C - CHEMISTRY
C01 - INORGANIC CHEMISTRY
C01G - COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
B - PERFORMING OPERATIONS
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
B01J - CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY
B01J2/04 - in a gaseous medium {
C - CHEMISTRY
C01 - INORGANIC CHEMISTRY
C01G - COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
C01G56/005 - {Oxides
C01G99/006 - {Compounds containing, besides a metal not provided for elsewhere in this subclass, two or more other elements other than oxygen or hydrogen
C - CHEMISTRY
C01 - INORGANIC CHEMISTRY
C01P - INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
C01P2004/32 - Spheres
C01P2004/61 - Micrometer sized, i.e. from 1-100 micrometer
C01P2006/10 - Solid density
C01P2006/80 - Compositional purity
C01P2006/90 - Other properties not specified above
G - PHYSICS
G21 - NUCLEAR PHYSICS
G21C - NUCLEAR REACTORS
G21C3/623 - {Oxide fuels}
Y - NEW / CROSS SECTIONAL TECHNOLOGIES
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
Y02E30/30 - Nuclear fission reactors
Y - NEW / CROSS SECTIONAL TECHNOLOGIES
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Y10S - TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10S65/04 - Electric heat