Patents by Inventor Hoi Jin CHOI

Hoi Jin CHOI 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: 20180334561
    Abstract: A polypropylene complex resin composition for low-temperature injection molding, may include (A) a polypropylene resin; (B) an olefin-based elastomer; (C) an inorganic reinforcing agent; and (D) an additive, wherein (A) the polypropylene resin is a polypropylene mixed resin including: about 100 parts by weight of (A-1) a high-crystalline ethylene-propylene copolymer having an isotactic index of about 98 to 100% and a melt flow index value of about 20 to 50 g/10 min (2.16 kg, 230° C.); and about 5 to 20 parts by weight of (A-2) an ultrahigh fluidity homopolypropylene having a melt flow index value of about 1,000 to 1,800 g/10 min (2.16 kg, 230° C.).
    Type: Application
    Filed: November 8, 2017
    Publication date: November 22, 2018
    Applicants: Hyundai Motor Company, Kia Motors Corporation, Hyundai EP Co., Ltd.
    Inventors: Hak Soo Kim, Han Ki LEE, Yong Ho KIM, Dae Sik KIM, Mun Gyu BAK, Ju Seong PARK, Beom Ho KIM, Hyeok LEE, Hoi Jin CHOI