By Dietrich Knauth (Reuters) – People suing Johnson & Johnson over the company’s talc products urged an appeals court on Monday to revive their claims, saying the profitable company should not be allowed to use a bankrupt subsidiary to block lawsuits alleging the products cause cancer. They asked a panel of the Philadelphia-based 3rd U.S. Circuit Court of Appeals to dismiss the bankruptcy of J&J’s subsidiary LTL Management, saying that LTL is a “concocted” corporation set up solely to stop them from getting their day in court. J&J, which maintains its talc products are safe, spun off LTL in Oc…