Appeal No. 2001-0597
Application 08/564,513
wherein
each R17 is independently a secondary or tertiary
substituted hydrocarbyl of 3 to 12 carbon
atoms; and
each R18 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.
The references relied upon by the examiner are:
Billig et al. (Billig) 4,668,651 May 26, 1987
Baker, Michael J. et al. (Baker I), “Chelating Diphosphite
Complexes of Nickel(0) and Platinum(0): Their Remarkable
Stability and Hydrocyanation Activity,” J. Chem. Soc., Chem.
Commun., No. 12 (1991), pp. 803-04.
Baker, Michael J. Et al. (Baker II), “Chiral Aryl Diphosphites:
a New Class of Ligands for Hydrocyanation Catalysis,” J. Chem.
Soc., Chem. Commun., (1991), pp. 1292-93.
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