Merck & Co. agreed to pay between $3 million and $10 million to settle a class-action suit involving Coppertone sunscreen, which the drug maker inherited when it acquired rival Schering-Plough in 2009, according to The Wall Street Journal. As part of the settlement, which was filed Friday in a New Jersey district court, Merck also agreed to stop using the terms “sunblock,” “waterproof,” “sweatproof,” “all day” or “all day pro...