BUZZ-Ashland Inc: To spin off engine lubricants unit
** Specialty chemicals maker's shares up 4 pct at $110 premarket
** Company to spin off engine lubricants unit into publicly traded company, Valvoline, to focus on higher-margin businesses such as specialty ingredients and performance materials for industries including pharmaceuticals, personal care and energy
** These businesses had about $3.6 bln in sales in year ended June 30, while Valvoline had $2 bln in sales
** Up to Monday's close, stock had fallen nearly 12 pct this year
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