(under subclass 570) Subject matter wherein the composition is one which has a volume the size of the container which holds it or is a liquid containing a defined gaseous component.
SEE OR SEARCH THIS CLASS, SUBCLASS:
372, for miscellaneous gaseous compositions.
SEE OR SEARCH CLASS
48, Gas: Heating and Illuminating, appropriate subclasses for gaseous compositions set forth for such uses.
585, Chemistry of Hydrocarbon Compounds,
6, for gaseous compositions comprising hydrocarbons only.