IPC Definitions - January 01, 2012
C09K 3/18 - Definition
Attention is drawn to the following places, which may be of interest for search:
Rendering particulate materials free flowing, in general, e.g. making them hydrophobic | B01J 2/30 |
Thawing or antifreeze materials used in liquids for heat-transfer, heat-exchange or heat-storage or for the production of heat or cold other than by combustion, e.g. radiator liquids | C09K 5/00 |