Patents by Inventor Dinh Nguyen Truong

Dinh Nguyen Truong 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).

  • Chemically stable anaerobic acrylic adhesive formulation
    Patent number: 5087643
    Abstract: An anaerobic adhesive formulation is provided comprised of a monomeric acrylic phase consisting of 50 to 100 wt.% of one or more pluriacrylic esters and 50 to 0 wt.% of at least one unsaturated monomer chosen from the acrylic monomers and the non-acrylic unsaturated monomers and a system which produces free radicals and is inhibited in the presence of oxygen. The formulation also contains an additive for improving the impact strength and shear strength, consisting of a polyurethane performed or formed in situ and/or a heat stabilizing additive consisting of at least one epoxide resin associated with a latent hardener of said resin. The formulation is useful in anaerobic bonding.
    Type: Grant
    Filed: October 10, 1989
    Date of Patent: February 11, 1992
    Assignee: Societe Nationale Elf Aquitaine
    Inventor: Dinh Nguyen Truong