PHILADELPHIA - A unanimous Pennsylvania appeals court panel issued a memorandum order May 31 remanding the appeal of an August 2011 no-evidence summary judgment for the defendants in a vinyl chloride exposure personal injury lawsuit in the Philadelphia County Court of Common Pleas before reaching the merits of the appeal and with instructions to explain dismissal of the abnormally dangerous strict liability claim pursuant to Restatement (Second) of Torts Section 520 (1977) (Joanne Branham, et al. v Rohm & Haas, et al., No. 2199 EDA 2011, Pa. Super.).