A company stuck in bankruptcy for 12 years may not seem like much of a catch, but investors have fallen in love with U.S. specialty chemical manufacturer W.R. Grace & Co ( id="symbol_GRA.N_0"> GRA.N ) and its surging sales to the energy sector. One of the longest bankruptcies in U.S. history, Grace filed for Chapter 11 protection in 2001 after an asbestos leak at one of its mines led to thousands of lawsuits against the company. Through bankruptcy, Grace was able to pause debt repayments, survive two recessions and take advantage of a U.S. shale energy revolution that is fueling demand for its fine-powder catalysts, which help refiners process crude oil into gasoline, heating oil and other products. The company's stock has more than tripled in the past three years and counts 46 hedge funds among investors as of March 31. "Bankruptcy has been a great place to hide out," said Scott Baena, an attorney who helped negotiate the settlements on behalf of p