(under subclass 24) Processes wherein a urea is employed as a treating agent.
(1) Note. Included herein are those processes in which urea is used to separate paraffin wax from wax containing mixtures by forming an adduct with the wax which then is separated from the other material.
SEE OR SEARCH CLASS
564, Organic Compounds,
1.5, for adducts of ureas and an organic compound and processes for their preparation as well as processes of separating or purifying organic compounds by forming adducts thereof with ureas.
