A former DuPont Corp. scientist has pleaded guilty to conspiring to commit economic espionage for a company controlled by the Chinese government and agreed to testify against others charged with stealing secrets of a manufacturing process sought by China.
Tze Chao, 77, a DuPont employee from 1966 to 2002, admitted Thursday in a San Francisco federal court that he had provided confidential information about DuPont's titanium dioxide process to the Chinese-controlled Pangang Group Co. (more)
