(Reuters) – Chipmaker Qualcomm Inc said on Wednesday it has stopped selling its products to Russian companies in compliance with U.S.-imposed sanctions after Moscow invaded Ukraine. The company’s action was disclosed by its senior vice president of government affairs, Nate Tibbits, in a tweet as a reply to a comment by Ukrainian Vice Prime Minister Mykhailo Fedorov. Urging Tibbits to stop supplies to Russia, Fedorov said Qualcomm products are still available in Russia and it “inadvertently enables this country to kill thousands of Ukrainians.” In his reply, Tibbits said, “This is incorrect. Qu…