Thursday, December 6, 2007

Method for reducing piston deposits - US Patent 5068044

Method for reducing piston deposits - US Patent 5068044

A very interesting and novel idea of using ZnO in the filter in lieu of metallic detergents in motor oil to maintain the cleanliness of the oil and a high TBN retention. As we all know, less detergents also means that the available AW additives can work better at reducing wear and even better yet, less of these AW additives end up being needed.

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