C - CHEMISTRY
C04 - CEMENTS
C04B - LIME, MAGNESIA
G - PHYSICS
G21 - NUCLEAR PHYSICS
G21C - NUCLEAR REACTORS
C - CHEMISTRY
C04 - CEMENTS
C04B - LIME, MAGNESIA
C04B35/52 - based on carbon, e.g. graphite
C04B41/009 - {characterised by the material treated}
C04B41/4505 - {characterised by the method of application}
C04B41/50 - with inorganic materials
C04B41/81 - Coating or impregnation
G - PHYSICS
G21 - NUCLEAR PHYSICS
G21C - NUCLEAR REACTORS
G21C3/64 - Ceramic dispersion fuel, e.g. cermet
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
Y10T - TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
Y10T428/30 - Self-sustaining carbon mass or layer with impregnant or other layer