WILMINGTON, Del. - Nearly 13 years after filing for Chapter 11 protection to resolve hundreds of thousands of asbestos personal injury claims, global chemical and materials producer W.R. Grace & Co. filed notice Feb. 3 in Delaware federal bankruptcy court that its plan of reorganization had become effective, the same day the Third Circuit U.S. Court of Appeals granted a stipulation dismissing the final appeal to the plan's confirmation (In re: W.R. Grace & Co., et al., No. 01-01139, D. Del. Bkcy.; In re: W.R. Grace & Co., et al., Nos. 12-1402, 12-1403, 12-1404, 12-1405, 12-2924, 3rd Cir.).