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US 9,944,879 B2Granted
Phosphorous-containing compounds and uses thereof
AssigneeAfton Chemical Corporation
InventorsDavid Edwards, Bevin Parks
Life of this patent
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Abstract
The present invention provides phosphorous-containing compounds useful as antiwear additive components, lubricant additive compositions and lubricant compositions each comprising such compounds, and methods for making and using the same.
Claims44
A compound of Formula (I)
- wherein each R1 is independently alkyl or cycloalkyl;
- each R2 R3, R4 and R5 is independently selected from the group consisting of hydrogen, alkyl and cycloalkyl;
- each n is independently an integer from 0 to 6;
- M1, M2, X1, and X2 are each independently S or O;
- each W is independently S or O;
- Y is selected from the group consisting of alkyl, alkoxyalkylene, benzyl, and —R6—R7—R8;
- R6 is alkylene;
- R7 is selected from the group consisting of a bond, alkylene;
- —C(O)— and —C(R9)—;
- R8 is selected from the group consisting of alkyl, hydroxyalkylene, hydroxyalkyleneoxy, hydroxyl and alkoxy;
- and
- R9 is alkyl.
9 more elements
A compound prepared by reacting a compound of the formula:
- with a reactive group to form a compound of the structure
- wherein each W is independently S or O;
- M1, M2, X1, and X2 are each independently S or O;
- each R1 is independently alkyl or cycloalkyl;
- each R2 R3, R4 and R5 is independently selected from the group consisting of hydrogen, alkyl and cycloalkyl;
- each n is independently an integer from 0 to 6;
- Y is selected from the group consisting of alkyl, alkoxyalkylene, benzyl, and —R6—R7—R8;
- R6 is alkylene;
- R7 is selected from the group consisting of a bond, alkylene;
- —C(O)— and —C(R9)—;
- R8 is selected from the group consisting of alkyl, hydroxyalkylene, hydroxyalkyleneoxy, hydroxyl and alkoxy;
- and
- R9 is alkyl.
10 more elements
A compound prepared by a process comprising:
- (a) reacting a compound of the formula:
- with an epoxide of the formula
- wherein R is alkyl or cycloalkyl;
- and
- M and X are each independently S or O;
- (b) reacting the reaction product of step (a) with P2W5, to form a compound of the structure
- and
- (c) reacting the reaction product of step (b) with a reactive group to form a compound of the structure
- wherein each W is the same and is either S or O;
- each R1 is independently alkyl or cycloalkyl;
- each R2 R3, R4 and R5 is independently selected from the group consisting of hydrogen, alkyl and cycloalkyl;
- n is 0;
- Y is selected from the group consisting of alkyl, alkoxyalkylene, benzyl, and —R6—R7—R8;
- R6 is alkylene;
- R7 is selected from the group consisting of a bond, alkylene;
- —C(O)— and —C(R9)—;
- R8 is selected from the group consisting of alkyl, hydroxyalkylene, hydroxyalkyleneoxy, hydroxyl and alkoxy;
- and
- R9 is hydroxyl.
16 more elements
Dependencies are inferred from the claim text.