(under subclass 106) Processes wherein mineral oil to be cracked is heated to the desired temperature and cracking takes place due solely to the heat stored during the initial heating, no further heat being added during the progress of the cracking operation.
(1) Note. Processes classified herein generally result in the making of product coke, the process being generally known as "coking".
SEE OR SEARCH CLASS
423, Chemistry of Inorganic Compounds,
449.1+, for manufacturing carbon by a chemical reaction.
