Hydroxyalkane phosphonic acids and derivatives thereof and lubri

Details Hydroxyalkane phosphonic acids and derivatives thereof and lubri Hydroxyalkane phosphonic acids and derivatives thereof and lubri

1989-02-08

1992-10-13

Willis, Jr., Prince

Compositions

Electrolytes for electrical devices

252 327R, 562 11, 562 13, 562 21, 562 23, C10M13712, C10M14110

Patent

active

051548437

ABSTRACT:
This invention relates to lubricating compositions containing hydroxyalkane phosphonic acids and derivatives thereof. More specifically, this invention relates to hydroxylakane phosphonic acids which can be reacted to form salts with basic materials, including overbased detergents, dispersants and amines. These materials can be particularly useful in lubricating compositions.
The hydroxyalkane phosphonic acid is represented by the following formula: ##STR1## wherein X is oxygen, sulfur or a secondary amino group, n is an integer from 1 to 8, Y is hydrogen or a phosphonic acid group and R is an alkyl group having from 1 to about 100 carbon atoms.

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