Patents by Inventor Patrizia Busi

Patrizia Busi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Complexes of bismuth or antimony halides with amines, suitable as flame retardants for polymers, and polymer compositions containing same
    Patent number: 4798857
    Abstract: Disclosed are complexes of bismuth or antimony halides with amines having formula:R.cndot.(MeX.sub.3)y,where R is dicyandiamide, guanamine, 2-guanidinobenz-imidazole, isophoronediamine, piperazine, melamine or a compound having from 2 to 9 triazine rings condensed or linked to each other through at least one --NH-- group; Me is Bi or Sb; X is chlorine or bromine; and y is a number from 0.3 to 4. Processes for preparing the complexes and flame retardant thermoplastic polymer compositions containing the complexes are also disclosed.
    Type: Grant
    Filed: December 30, 1987
    Date of Patent: January 17, 1989
    Assignee: HIMONT Incorporated
    Inventors: Guido Bertelli, Patrizia Busi, Renato Locatelli