Church & Dwight Co., Inc. will acquire the Del Pharmaceuticals, Inc. business for $380 million in cash from Coty Inc. The transaction, which is subject to regulatory approval and other customary conditions, is expected to close in July. Del Pharmaceuticals’ net sales in the fiscal year ended Dec. 31, 2007 were approximately $100 million. Over three quarters of those sales were from the Orajel brand, the No. 1 brand in the oral analgesic category, with remaining sales from a variety of ot...