| http://www.w3.org/ns/prov#value | - The ashless dispersants which can be utilized in the func?? tional fluids of the present invention include the following: carboxylic dispersants; amine dispersants; Mannich dispersants; polymeric dispersants; and carbox?? ylic, amine or Mannich dispersants post-treated with such reagents as urea, thiourea, carbon disulfide, aldehydes, ketones, carboxylic acids, hydrocarbon-substi?? tuted succinic
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