Patents by Inventor Joon Yong Park

Joon Yong 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).

  • Syndiotactic polystyrene copolymer resin composition having macromonomer for improving impact strength
    Publication number: 20010025082
    Abstract: A syndiotactic polystyrene copolymer resin composition with high impact strength, which comprises: (A) about 1-99 weight % of a syndiotactic polystyrene copolymer which is polymerized from at least one macromonomer having an active polymerization group at its end and at least one styrene monomer; and (B) about 99-1 weight % of at least one rubber phase resin and/or at least one thermoplastic resin.
    Type: Application
    Filed: January 19, 2001
    Publication date: September 27, 2001
    Inventor: Joon Yong Park