Patents by Inventor Bach T. Nguyen

Bach T. Nguyen 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).

  • Patent number: 5698621
    Abstract: There is disclosed a printable self-clinging flexible film containing a polymerized PVC-based resin, a primary plasticizer and a stabilizer. The film exhibits high tackiness and surface tension, and printing ink may be applied directly to the surface of the film. Compositions for forming the film, and related methods are also disclosed.
    Type: Grant
    Filed: April 7, 1995
    Date of Patent: December 16, 1997
    Assignees: Achilles USA, Inc., Achilles Corporation
    Inventors: Bach T. Nguyen, Tomiki Matsumoto, Toshihiro Katagiri
  • Patent number: 5374377
    Abstract: There is disclosed a phosphorescent polyvinyl chloride ("PVC") film which exhibits an intense and long-lived afterglow. The phosphorescent PVC film contains a polymerized PVC-based resin, a primary and secondary plasticizer, a primary and secondary stabilizer, and a phosphorescent pigment. Within the practice of this invention, the primary stabilizer is solely a zinc-based stabilizer (non-zinc metal stabilizers are not employed); the secondary stabilizer is a tertiary organic phosphite; the primary plasticizer is a epoxidized soybean oil; the secondary plasticizer is selected from phthalates, adipates, trimellitates, azelates and phosphates; and the phosphorescent pigment is preferably a zinc sulfide phosphor. In addition to the phosphorescent PVC film, compositions and related methods are also disclosed.
    Type: Grant
    Filed: January 19, 1993
    Date of Patent: December 20, 1994
    Assignee: Achilles Corporation
    Inventors: Bach T. Nguyen, Toshihiro Katagiri