| http://www.w3.org/ns/prov#value | - The ashless dispersants which can be utilized in the lubricating compositions of the present invention include the following: carboxylic dispersants; amine dispersants; Mannich dispersants; polymeric dispersants; and carboxylic, amine or Mannich dispersants post-treat?? ed with such reagents as urea, thiourea, carbon disulf- ide, aldehydes, ketones, carboxylic acids, hydrocarbon- substituted succi
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