Sensient Technologies Corporation reported revenue of $282.2 million for its second quarter ended June 30, 2006, up 7.0 percent from the comparable quarter in 2005. Revenue for the first six months of this year was $545.1 million, a 5.9 percent increase from the prior year’s comparable period.       “All our groups show revenue growth and higher operating profits,” said Kenneth P. Manning, chairman, president and CEO of Sensient Technologies. “We expect the company’s strong performance to con...