Lubricating compositions

A lubricating composition comprising a major portion of a lubricant and a minor amount of an adduct of a calcium tetrathiocarbonate of the form CaCS.sub.4 and calcium hydroxide.

A lubricating composition comprising a major portion of a lubricant and a minor amount of an adduct of a calcium trithiocarbonate of the form CaCS.sub.3 and calcium hydroxide.

A lubricating composition comprising a major amount of lubricant and a minor amount of an adduct comprising the reaction product of a water soluble calcium salt, a source of sulfide of the form M.sub.2 S.sub.y wherein M is hydrogen or a positive salt forming moiety and y is the valence of M, and carbon disulfide, said reaction product forming as a result of the reaction of about equal molar amounts of carbon disulfide, sulfide from said source of sulfide, and said water soluble calcium salt, said reaction product being reacted in turn with a pH raising amount of a soluble base to precipitate said adduct.

A lubricating composition comprising a major amount of lubricant and a minor amount of an adduct comprising the reaction product of a water soluble calcium salt, a source of sulfide of the form M.sub.2 S.sub.y wherein M is hydrogen or a positive salt forming moiety and y is the valence of M, sulfur and carbon disulfide, said reaction product forming as a result of the reaction of about equal molar amounts of sulfur, carbon disulfide, sulfide from said source of sulfide, and said water soluble calcium salt, said reaction product being reacted in turn with a pH raising amount of a soluble base to precipitate said adduct.

A lubricating composition comprising a major amount of a lubricant and a minor amount of an adduct comprising the reaction product of a mixture of a source of sulfide of the form M.sub.2 S.sub.y, wherein M is a positive salt forming moiety and Y is the valence of M, and carbon disulfide, said reaction being performed under conditions sufficient to produce a trithiocarbonate of the form M.sub.2 (CS.sub.3).sub.y, with said reaction product being reacted in the presence of a water soluble calcium salt and a pH raising amount of a soluble base to precipitate said adduct.

A lubricating composition comprising a major amount of a lubricant and a minor amount of an adduct comprising the reaction product of a mixture of a source of sulfide of the form M.sub.2 S.sub.Y, wherein M is a positive salt forming moiety and Y is the valence of M, and carbon disulfide, said reaction being performed under conditions sufficient to produce a tetrathiocarbonate of the form M.sub.2 (CS.sub.4).sub.y, with said reaction product being reacted in the presence of a water soluble calcium salt and a pH raising amount of a soluble base to precipitate said adduct.

A lubricating composition comprising a major amount of a lubricant and a minor amount of an adduct comprising the reaction product of a water soluble calcium salt, carbon disulfide and one or more sources of sulfur selected from the group consisting of elemental sulfur and sulfides of the form M.sub.2 S.sub.Y, wherein M is a positive salt forming moiety and Y is the valence of M, and carbon disulfide, said reaction product forming as the result of the reaction of said calcium salt, source of sulfur, and carbon disulfide, with the resultant composition has the general formula Ca.sub.x (C.sub.a S.sub.b).sub.2 wherein a, the number of carbon atoms therein ranges between 1 and about 4, b, the number of sulfur atoms therein ranges between 3 and about 9, and X is the valence of (C.sub.a S.sub.b), said reaction product, in turn, being reacted with a pH raising amount of a water soluble base to precipitate said adduct.