(September 14, 2015, 7:18 AM EDT) -- ATLANTA — A panel of the 11th Circuit U.S. Court of Appeals on Sept. 4 denied the appeal of a group of plaintiffs who sought to reopen an underlying case and receive additional health benefits from a settlement pertaining to chemical exposure injuries, ruling that the plaintiffs failed to respond to the equity and estoppel arguments raised by the defendants (Antonia Tolbert, et al. v. Monsanto Company, et al., No. 13-15621; Clarence Armour, et al. v. Monsanto Company, et al., No. 14-10967, 11th Cir.; 2015 U.S. App. LEXIS 15815)....