Patents by Inventor Man Vo Dinh

Man Vo Dinh 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).

  • Polyamide-imide powders, compositions containing the same and method of making the powders
    Patent number: 4737304
    Abstract: The process for the manufacture of infusible and insoluble polyamide-imide powders of spheroidal form comprising first reacting at least one lactam in solution with a polyamide generator in the presence of an anionic polymerization catalyst and then adding to the polymerization reaction a polyisocyanate in an amount sufficient to first activate said polymerization and then to react with the polyamide chains being formed and to bridge the same; the resultant product; and lubricants comprising a lubricating fluid and the resultant product.
    Type: Grant
    Filed: October 8, 1986
    Date of Patent: April 12, 1988
    Assignee: Atochem
    Inventors: Man Vo Dinh, Jean-Paul Merval