Colloidal products containing calcium and/or magnesium, as well

Details Colloidal products containing calcium and/or magnesium, as well Colloidal products containing calcium and/or magnesium, as well

1994-08-18

1995-10-31

Willis, Jr., Prince

Compositions

Electrolytes for electrical devices

252 327R, 252 325, 252 332, 252 336, 252 39, 252 475, C10M13536, C10M13700

Patent

active

054626820

ABSTRACT:
Colloidal products containing calcium and/or magnesium plus sulfur and nitrogen are obtained by at least partial neutralization of the basicity reserve of at least one overbasic sulfonate charged with calcium carbonate and/or with magnesium carbonate dispersed within micelles. The neutralization is by means of at least one functional dicarboxylic acid of the formula: ##STR1## where each symbol a is a whole number from 1 to 8, x and z are each a number from 1 to 4, y is a whole number from 0 to 4 and n is 1 or 2. These products can be used as additives in lubricating oils.

REFERENCES:
patent: 5080812 (1992-01-01), Parc et al.
patent: 5256319 (1993-10-01), Parc et al.
patent: 5324440 (1994-06-01), Delfort et al.
Chemical Abstracts 122:85168, 1994 (Month Unknown).

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