Plural Phosphori Containing Patents (Class 568/10)
  • Nickel ylides
    Patent number: 4293502
    Abstract: A new group of nickel ylides is provided that is highly active at relatively low operating temperatures and pressures in the oligomerization of ethylene. The compounds can be defined by the following Formula I: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7 and R.sub.
    Type: Grant
    Filed: August 18, 1980
    Date of Patent: October 6, 1981
    Assignee: Gulf Research & Development Company
    Inventors: David L. Beach, James J. Harrison
  • Polydentate phosphonium salts useful in treating glass and capillary chromatographic columns
    Patent number: 4289809
    Abstract: Polydentate phosphonium salts, prepared by reacting a polydentate phosphine containing two or more trivalent phosphorous atoms with various mono or difunctional organic halides, are effective agents for treating glass and specifically glass capillary chromatographic columns.
    Type: Grant
    Filed: September 10, 1979
    Date of Patent: September 15, 1981
    Assignee: SCM Corporation
    Inventors: Sean G. Traynor, George Marcelin