Billionaire investor Warren Buffett’s Duracell battery maker was accused by chemical producer BASF SE of stealing trade secrets about lithium ion battery technology. BASF, the world’s biggest ...

(Reuters) - Duracell, the battery maker owned by Warren Buffett's Berkshire Hathaway, has been sued by BASF for allegedly stealing trade secrets related to the German chemical company's lithium ...

(Reuters) - Duracell, the battery maker owned by Warren Buffett's Berkshire Hathaway, has been sued by BASF for allegedly stealing trade secrets related to the German chemical company's lithium ion ...