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US5743923A Oil additives and compositions 失效
油添加剂和组合物

Oil additives and compositions
Abstract:
The low temperature properties of a blend of biofuel and petroleum-based fuel oil are improved by the addition of an ethylene-unsaturated ester copolymer, or a comb polymer, or a polar N compound, or a compound having at least one linear alkyl groups connected to a non-polymeric organic residue.
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