Sensient Technologies Corporation reported that diluted earnings per share for the three months ended March 31, 2009, reached 45 cents, a record level for the company’s first quarter. Diluted earnings per share for the prior year’s comparable period were 43 cents. Consolidated revenue for the first quarter of 2009 was $282.8 million compared to $307.4 million in the first quarter of 2008.      “We have delivered our 13th consecutive quarter of increased earnings, despite a challenging economic...