Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion

Child Classifications

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• C09K 5/02 Materials undergoing a change of physical state when used (C09K5/16, C09K5/20 take precedence)
• C09K 5/08 Materials not undergoing a change of physical state when used (C09K5/16, C09K5/20 take precedence)
• C09K 5/16 Materials undergoing chemical reactions when used
• C09K 5/20 Antifreeze additives therefor, e.g. for radiator liquids (for application to surfaces C09K3/18; inhibiting corrosion by liquids C23F11/00)