| http://www.w3.org/ns/prov#value | - Other optional additives to the inks of the present invention include, but are not limited to, humectants such as ethylene glycol, diethylene glycol, N-methylpyrrolidinone, propylene glycol, hydroxyethers, ethers, amides, sulfoxides, ketones, lactones, esters, alcohols, and the like, present in an amount of from 0 to about 50 percent by weight, and desirably from about 5 to about 40 percent by wei
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