Elementis Specialties Inc. announced a 6 percent price increase for all rheologicals, colorants, performance additives and polymers, effective May 1, 2003. According to the company, these price increases are a direct result of the increase in business costs, specifically, the costs of rising oil and chemical raw-material prices, insurance costs driven by world events and recent changes in the regulatory requirements significantly impacting the business. Ashland Drew Industrial Specialty A...