Appeal No. 2005-0846 Application No. 09/981,339 included in the polymer composition, and having a latent mercaptan component as well as a mixture of zinc chloride and a zinc carboxylate. Claim 1, which is one of three independent claims, is illustrative of the subject matter embraced by the claims on appeal: 1. A polymer composition normally susceptible to heat- induced decomposition comprising a halogen-containing polymer, the degradation products of a blocked mercaptan present during processing of the composition at an elevated temperature, said products including a free mercaptan; said blocked mercaptan having the structure: 2Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 NextLast modified: November 3, 2007