摘要:
Disclosed are manganese and copper-containing compositions comprising:(A) a manganese containing compound and(B) a copper containing compound,wherein said composition contains from about 0.05 up to about 23 g-atoms of manganese for each g-atom of copper in said composition. Also disclosed are fuel compositions and additive concentrates containing said manganese and copper-containing compositions. Additionally, disclosed is a method for reducing ignition temperature of exhaust particulate from diesel engines which comprises operating said engine using the above-described fuel compositions.
摘要:
Compositions comprising the combination of a transition metal salt of an organic acid and an ashless hydrocarbon-soluble ashless dispersant are useful in treating lubricants and fuels. Typical compositions comprise manganese carboxylates and acylated nitrogen-containing dispersants.