| abstract |
Sulfurized mixtures which include (A) at least one partial fatty acid ester of a polyhydric alcohol, and (B) at least one member of the group consisting of (1) at least one fatty acid ester of a polyhydric alcohol, which fatty acid ester is different from the partial ester (A), (2) at least one fatty acid, (3) at least one olefin, and (4) at least one fatty acid ester of a monohydric alcohol. The sulfurized compositions are useful in preparing additive concentrates and lubricating compositions. |