Sulfurized overbased compositions

A composition comprising at least one overbased thiosulfate with the proviso that the thiosulfate is prepared from sulfur and/or at least one source of sulfur selected from the group consisting of a sulfur halide, a combination of sulfur or a sulfur oxide with hydrogen sulfide, and a sulfurized organic compound.

A composition comprising at least one overbased sodium thiosulfate with the proviso that the thiosulfate is prepared from sulfur and/or at least one source of sulfur selected from the group consisting of a sulfur halide, a combination of sulfur or a sulfur oxide with hydrogen sulfide, and a sulfurized organic compound.

A composition comprising at least one overbased thiosulfate with the proviso that the thiosulfate is prepared from sulfur and/or at least one source of sulfur selected from the group consisting of a sulfur halide, a combination of sulfur or a sulfur oxide with hydrogen sulfide, and a sulfurized organic compound and at least one non-sulfurized boron-containing overbased product.

A composition comprising at least one sulfurized overbased product made by contacting (A) at least one overbased product with (B) sulfur and/or at least one sulfur source selected from the group consisting of a sulfur halide a combination of sulfur or a sulfur oxide with hydrogen sulfide, and a sulfurized organic compound;

• said overbased product (A) being made using CO.sub.2 or a source of CO.sub.2 and at least one organic material to be overbased, said overbased product (A) being contacted with an effective amount of SO.sub.2 or a source of SO.sub.2 to displace at least part of said CO.sub.2 or source of CO.sub.2 prior to or during the contacting with said sulfur and/or sulfur source (B), and wherein said organic material to be overbased is at least one sulfur containing acid other than a phosphorus containing acid.

A composition comprising at least one sulfurized overbased product made by contacting (A) at least one overbased product with (B) sulfur and/or at least one sulfur source selected from the group consisting of a sulfur halide, a combination of sulfur or a sulfur oxide with hydrogen sulfide, and a sulfurized organic compound;

• said overbased product (A) being made using at least one sulfonic acid, CO.sub.2 or a source of CO.sub.2, and at least one metal or metal base, said metal being one or more metals selected from the group consisting of lithium, sodium and potassium, said overbased product (A) being contacted with an effective amount of SO.sub.2 or a source of SO.sub.2 to displace at least part of said CO.sub.2 or source of CO.sub.2 prior to or during the contacting of said overbased product with said sulfur and/or sulfur source (B).

A composition comprising at least one sulfurized overbased sodium sulfonate made by contacting at least one overbased sodium sulfonate with sulfur and/or at least one sulfur source selected from the group consisting of a sulfur halide, a combination of sulfur or a sulfur oxide with hydrogen sulfide, and a sulfurized organic compound;

• said overbased sodium sulfonate being made using at least one sulfonic acid, sodium or at least one sodium compound and CO.sub.2 or a source of CO.sub.2, said overbased sodium sulfonate being contacted with an effective amount of SO.sub.2 or a source of SO.sub.2 to displace at least part of said CO.sub.2 prior to or during the contacting with said sulfur and/or sulfur source.

A composition comprising at least one sulfurized overbased sodium sulfonate made by contacting at least one overbased sodium sulfonate with sulfur and/or at least one sulfur source selected from the group consisting of a sulfur halide, a combination of sulfur or a sulfur oxide with hydrogen sulfide, and a sulfurized organic compound;

• said overbased sodium sulfonate being made using at least one sulfonic acid, sodium or at least one sodium compound and CO.sub.2 or a source of CO.sub.2, said overbased sodium sulfonate being contacted with an effective amount of SO.sub.2 or a source of SO.sub.2 to displace at least part of said CO.sub.2 prior to or during the contacting with said sulfur and/or sulfur source, the ratio of equivalents of sulfur or sulfur source to equivalents of said overbased sodium sulfonate ranging from about 0.65 to about 1.2.

A composition comprising at least one sulfurized overbased product made by contacting (A) at least one overbased product with (B) sulfur and/or at least one source of sulfur selected from the group consisting of a sulfur halide, a combination of sulfur or a sulfur oxide with hydrogen sulfide, and a sulfurized organic compound;

• said overbased product (A) being made using at least one acidic material and at least one organic material to be overbased, with the proviso that when said acidic material is other than SO.sub.2 or a source of SO.sub.2 said overbased product (A) is contacted with an effective amount of SO.sub.2 or a source of SO.sub.2 to displace at least part of said acidic material, and wherein said organic material to be overbased is at least one sulfur containing acid other than a phosphorus containing acid;
• and
• at least one metal deactivator.

A composition comprising at least one sulfurized overbased product made by contacting (A) at least one overbased product with (B) sulfur and/or at least one source of sulfur selected from the group consisting of a sulfur halide, a combination of sulfur or a sulfur oxide with hydrogen sulfide, and a sulfurized organic compound;

• said overbased product (A) being made using at least one acidic material and at least one organic material to be overbased, with the proviso that when said acidic material is other than SO.sub.2 or a source of SO.sub.2 said overbased product (A) is contacted with an effective amount of SO.sub.2 or a source of SO.sub.2 to displace at least part of said acidic material, and wherein said organic material to be overbased is at least one sulfur containing acid other than a phosphorus containing acid;
• at least one phosphorus-containing antiwear agent.

A composition comprising at least one sulfurized overbased boron-containing metal sulfonate made by contacting at least one overbased boron-containing metal sulfonate with sulfur and/or at least one sulfur source, said metal being selected from the group consisting of one or more of lithium, sodium or potassium;

• said overbased boron-containing metal sulfonate being made by contacting at least one overbased metal sulfonate with boric acid;
• said overbased metal sulfonate being made using at least one sulfonic acid and CO.sub.2 ;
• said overbased boron-containing sodium sulfonate being contacted with an effective amount of SO.sub.2 or a source of SO.sub.2 to displace at least part of said CO.sub.2 prior to or during the contacting with said sulfur and/or sulfur source.

A composition comprising at least one sulfurized overbased product made by contacting (A) at least one overbased product with (B) sulfur and/or at least one source of sulfur selected from the group consisting of a sulfur halide, a combination of sulfur or a sulfur oxide with hydrogen sulfide, and a sulfurized organic compound,

• said overbased product (A) being made using at least one organic material to be overbased (A)(I) and at least one acidic material, with the proviso that when said acidic material is other than SO.sub.2 or a source of SO.sub.2 said overbased product (A) is contacted with an effective amount of SO.sub.2 or a source of SO.sub.2 to displace at least part of said acidic material and wherein said organic material to be overbased (A)(I) is a sulfur-containing acid other than a phosphorus sulfide.