LUBRICANTS HAVING OVERBASED METAL SALTS AND ORGANIC PHOSPHITES

摘要

This invention relates to a lubricant comprising (A) a basic metal salt of a n acidic organic compound and (B) a hydrocarbyl phosphite, provided that the lubricant is free of metal deactivators. In one aspect the lubricant is a manual transmission fluid. The lubricants provide good friction, good antiwe ar and thermal stability properties.