The Lubrizol Corporation

Christopher R Sgarlata

Scott T Jolley

Ewa A Bardasz

Nai Z Huang

Thomas F Steckel

Christopher J Kolp

Christopher I Kolp

Ceramic-containing engines are lubricated by compositions containing synthetic ester base stock. Suitable esters include those prepared from iso- and neo-acids of medium chain length and polyols including inositol.

Lubricants containing carboxylic esters from polyhydroxy compounds,

This invention relates to copper-containing aromatic Mannich complexes, and to concentrates and diesel fuels containing said complexes. The diesel fuels are useful with diesel engines equipped with exhaust system particulate traps. The copper-containing aromatic Mannich complex is used for lowering the ignition temperature of exhaust particles collected in the trap. The copper-containing aromatic Mannich complex is made by contacting either component (A) or component (B) with component (C); ##STR1## wherein R.sup.1 is an alkyl group of 1 to about 6 carbon atoms, and R.sup.2 is a saturated or unsaturated aliphatic hydrocarbyl group of about 16 to about 20 carbon atoms;

Copper-containing aromatic mannich complexes and concentrates and diesel

This invention relates to copper-containing aromatic Mannich complexes, and to concentrates and diesel fuels containing said complexes. The diesel fuels are useful with diesel engines equipped with exhaust system particulate traps. The copper-containing aromatic Mannich complex is used for lowering the ignition temperature of exhaust particles collected in the trap. The copper-containing aromatic Mannich complex is made by contacting either component (A) or component (B) with component (C);

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Cleveland, OH, United States of America

Christopher R Sgarlata