Ring Contains A P(o) Group As Atoms Within The Ring And Wherein All Atoms Bonded To The P Atom Within The Ring, Or Extracyclic To The Ring, Are Oxygen (9/6574; 9/6574a1) Patents (Class 987/39)
Two or more rings contain at least one p(o) group and wherein at least two p atoms in the two rings are bonded solely to o, or wherein the compound contains two p atoms in a single ring and all bonds of the p atoms are to o (includes spiro rings) (9/6574a6) (Class 987/40)
P(o) group containing ring is part of a condensed or bridged carbocyclic ring system (9/6574a4) (Class 987/41)
  • Diphosphites
    Patent number: 5736599
    Abstract: A diphosphite is provided derived from phosphorous trihalide, tetra alkyl hindered bisphenol, and a neoalkyl diol. The phosphites exhibit improved stability and are useful as thermal oxidative stabilizers for thermoplastic compositions.
    Type: Grant
    Filed: December 31, 1996
    Date of Patent: April 7, 1998
    Assignee: General Electric Company
    Inventor: James A. Mahood
  • Diphosphites
    Patent number: 5618961
    Abstract: A diphosphite is provided derived from phosphorous trihalide, tetra alkyl hindered bisphenol, and a neoalkyl diol. The phosphites exhibit improved stability and are useful as thermal oxidative stabilizers for thermoplastic compositions.
    Type: Grant
    Filed: October 5, 1995
    Date of Patent: April 8, 1997
    Assignee: General Electric Company
    Inventor: James A. Mahood
  • Diphosphites
    Patent number: 5618962
    Abstract: A diphosphite is provided derived from phosphorous trihalide, tetra alkyl hindered bisphenol, and a neoalkyl diol. The phosphites exhibit improved stability and are useful as thermal oxidative stabilizers for thermoplastic compositions.
    Type: Grant
    Filed: October 5, 1995
    Date of Patent: April 8, 1997
    Assignee: General Electric Company
    Inventor: James A. Mahood
  • Diphosphites
    Patent number: 5523448
    Abstract: A diphosphite is provided derived from phosphorous trihalide, tetra alkyl hindered bisphenol, and a neoalkyl diol. The phosphites exhibit improved stability and are useful as thermal oxidative stabilizers for thermoplastic compositions.
    Type: Grant
    Filed: July 22, 1993
    Date of Patent: June 4, 1996
    Assignee: General Electric Company
    Inventor: James A. Mahood