Appeal No. 2001-0597 Application 08/564,513 wherein, each R15 is independently a secondary or tertiary substituted hydrocarbyl of 3 to 12 carbon atoms; and each R16 is independently H, X wherein X is Cl, F or Br, a C1 to C12 alkyl, or OR8 wherein R8 is C1 to C12 alkyl; and 6Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 NextLast modified: November 3, 2007