Mobil Oil Corporation

John A Keller, Jr

Andrew G Horodysky

John P Doner

Liehpao O Farng

Robert E Ernhoffer

Grease compositions, wherein the grease is thickened with a metal hydroxy-containing soap grease thickener are provided. Other essential ingredients of the compositions include borated hydroxyhydrocarbyl esters and phosphorus and/or sulfur compounds.

Grease composition

The invention is an improved grease composition comprising a major proportion of a grease, a hydroxy-containing soap thickener and a minor amount of a compound prepared by reacting a boron compound with an organic compound containing oxygen, sulfur and/or nitrogen or mixtures thereof.

The invention is a grease composition comprising a major proportion of a grease, a hydroxy-containing soap thickener and a minor amount of a compound prepared by reacting a boron compound with an organic compound containing oxygen, sulfur and/or nitrogen. Non-zinc phosphorodithioate sulfur and/or phosphorous compounds are also incorporated into the composition.

Improved grease compositions, wherein the grease is thickened with a hydroxy-carboxylate soap grease thickener, preferably a lithium 12-hydroxy stearate, and a means for increasing the dropping point which is a borated n-hydrocarbyl propylenediamine and optionally compounds containing phosphorus and/or sulfur moieties are disclosed.

Grease compositions, wherein the grease is thickened with a metal hydroxy-containing soap grease thickener are provided. Other essential ingredients of the compositions include borated hydrocarbylamines.

The invention is a grease composition comprising a major proportion of a grease, a hydroxy-containing soap thickener and a minor amount of a compound prepared by reacting a boron compound with an alkoxylated amide containing a hydrocarbyl group of 1 to 60 carbon atoms and hydrocarbylene groups of 2 to 6 carbon atoms. Sulfur and/or phosphorous compounds are also incorporated into the composition.

Grease composition containing alkoxylated amide borates

Mixed alkoxylated alcohol-hydroquinone or alkoxylated alcohol-resorcinol borates are effective multifunctional antioxidants for lubricants.

Mixed alkoxylated alcohol-hydroquinone/resorcinol borates-antioxidants

The invention is a grease composition comprising a major proportion of a grease, a hydroxy-containing soap thickener and a minor amount of a compound prepared by reacting a boron compound with an organic compound containing oxygen, sulfur and/or nitrogen. Sulfur and/or phosphorous compounds are also incorporated into the composition.

Grease compositions, wherein the grease is thickened with a metal hydroxy-containing soap grease thickener are provided. Another essential ingredient of the composition is a borated hydrocarbyl diol. The compositions may also contain phosphorus and sulfur moieties.

Grease compositions comprising borated diols and hydroxy-containing

Disclosed is a grease composition comprising a major proportion of a grease, a hydroxy-containing soap thickener and a minor amount of a boronated oxazoline compound. The hydroxy-containing soap thickener and boronated oxazoline compound are each added in amounts sufficient to increase the dropping point of the grease an appreciable amount. Generally this can be an increase of at least 15.degree. F. and could be as great as 200.degree. F. to 250.degree. F. or more. Sulfur and phosphorus compounds can also be incorporated into the composition.

Grease compositions containing borated oxazoline compounds and

Disclosed is a grease composition comprising a major proportion of a grease, a hydroxy-containing soap thickener and a minor amount of a boronated catechol compound. The hydroxy-containing soap thickener and boronated catechol (ortho dihydroxybenzene) compound are each added in amounts sufficient to increase the dropping point of the grease an appreciable amount. The catechol (ortho dihydroxybenzene) compounds useful in this invention include catechol borates, catechol-alcohol borate compounds and catechol-amine borate compounds.

Grease compositions containing borated catechol compounds and

Grease compositions, wherein the grease is thickened with a metal hydroxy-containing soap grease thickener are provided. Another essential ingredient of the compositions is a borated alkoxylated alcohol. The compositions may also contain phosphorus and sulfur moieties.

Grease composition containing borated alkoxylated alcohols

The dropping point temperature of a grease containing a hydroxy-bearing thickener is increased by including in the grease composition a borated or boron containing phenolic or thio amine Mannich base. A sulfur-phosphate compound, zinc dithiophosphate can also be added to further improve the dropping point.

Grease compositions containing phenolic- or thio-amine borates and

Grease compositions, wherein the grease is thickened with a metal hydroxy-containing soap grease thickener are provided. Another essential ingredient of the composition is a borated hydrocarbyl alcohol, and it may optionally contain phosphorus and sulfur moieties.

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Pitman, NJ, United States of America

John A Keller, Jr