The U.S. Embassy in Beijing said it has asked China's foreign ministry and a phalanx of Tianjin politicians and agencies for help and the reasons for Hu's travel ban to no result. There are other cases like Hu's, the embassy said, without specifying how many. An acclaimed inventor of catalysts — chemical agents that speed up or slow reactions — for automobile catalytic converters, Hu has nine U.S. patents to his name and dozens more in Europe and elsewhere. He spent 20 years abroad doing research at the Massachusetts Institute of Technology and working for multinationals such as Engelhard Corp. in New Jersey. Among his breakthroughs: a catalyst that gives sports utility vehicles pollution controls comparable to sedans. He left that in 2004 to return to his native China along with his family and grab opportunities in a rocketing Chinese auto market that was short of experienced innovators. AP EXCLUSIVE: US scientist trapped in China - Yahoo! News Reeling in Rejection: China Blocks Coke's Juice Company Acquisition Observers abroad, including heavyweight publications such as the Wall Street Journal and The Economist, lambasted the Chinese for practising protectionism even as Premier Wen Jiabo has been criticizing the U.S. and others for doing the same in response to the economic crisis. Critics also note that the rejection comes at a time when the Chinese government is itself busily encouraging domestic consolidation in various markets. Still, once the initial furor in the foreign press died down, the reaction of business turned out to be considerably more muted than expected. China demands foreign automakers tech secrets in exchange for market access Foreign investors are still not allowed to buy Chinese companies as full shareholders. Legal conditions for foreign investors and companies in China are still unsafe ------------------------------------- How long before they decide the companies that moved there now belong to them? This is something America should never have to go to war over. Business knew. Republicans knew. Americans shouldn't die for "business". Not again. Not after Iraq.