Patents Examined by Glenn A. Galdarola
  • Preparation of isomerization catalyst composition
    Patent number: 5591689
    Abstract: A Group VIII metal and chloride-containing composition (effective as an alkane/cycloalkane isomerization catalyst) is prepared by a method which comprises mixing aluminum trichloride with a solid material containing at least one Group VIII metal (Pt and/or Pd and/or Ni) and alumina, heating the obtained mixture in an inert gas at about 450.degree.-750.degree. C., and then treating the mixture with a hydrogen chloride-containing gas at about 300.degree.-700.degree. C.
    Type: Grant
    Filed: June 23, 1995
    Date of Patent: January 7, 1997
    Assignee: Phillips Petroleum Company
    Inventors: An-hsiang Wu, Charles A. Drake, Ralph J. Melton