Patents by Inventor Lambert Park

Lambert Park 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).

  • Publication number: 20050137296
    Abstract: Provided is a resin composition for laser marking comprising 0.0005 to 0.5 parts by weight of a black pigment, a black dye, or a mixture thereof, and 0.0001 to 0.5 parts by weight of a blue dye, a blue pigment, or a mixture thereof based on 100 parts by weight of a transparent resin composition comprising 80 to 99 wt % of a rubber quarternary transparent copolymer composition or rubber quarternary transparent copolymer, and 1 to 20 wt % of a thermoplastic urethane elastomer or a thermoplastic amide elastomer. A laser marking produced using the resin composition for laser marking according to the present invention has high chemical resistance. In addition, the use of the resin composition for laser marking allows for achievement of highly visible white markings without a yellowish tint and easily adjustable transparency of the marked product.
    Type: Application
    Filed: November 18, 2004
    Publication date: June 23, 2005
    Inventors: Seung Ryoo, Bob Ryu, Lambert Park, Bong Park