TRITHIOO AND TETRATHIO PHOSPHORIC TRIESTER PROCESS FOR PREPARING SAME AND LUBRICANT COMPOSITION CONTAINING SAME

摘要

Trithio- and tetrathiophosphates with mercaptocarboxylic acid derivatives are preeminently suitable as extreme pressure additives for lubricants. They reduce signs of wear and have no or only an insignificant corrosive action on the parts to be protected.