Improvements introduced in the preparation of an agent for the chemical elimination of the hollin or carbon (Machine-translation by Google Translate, not legally binding)

摘要

Improvements introduced in the preparation of an agent for the chemical removal of soot or carbon from the surfaces coated therewith according to which said agent consists of a mixture comprising a nitrate of an alkali metal and/or an alkali metal nitrate -ground and one or more combustible materials in such proportions that the mixture has a large excess of oxygen. (Machine-translation by Google Translate, not legally binding)