Patents by Inventor Bum Seok Youn

Bum Seok Youn 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: 9796845
    Abstract: Disclosed is a nylon-based resin composite that has a sufficiently low moisture absorption rate to substantially prevent the occurrence of deformation and can attain both low warpage and improved impact resistance. The nylon-based resin composite comprises about 100 parts by weight of a base resin and about 1 to about 30 parts by weight of an impact modifier wherein the base resin comprises about 20 to about 80% by weight of a modified nylon-based thermoplastic resin containing benzene rings in the main chain and about 20 to about 80% by weight of a flat reinforcing fiber having a cross-sectional aspect ratio of about 1.5 or more.
    Type: Grant
    Filed: June 18, 2009
    Date of Patent: October 24, 2017
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Jung Hoon Park, Young Jun Lee, Tae Uk Kim, Bum Seok Youn
  • Patent number: 9534113
    Abstract: A thermoplastic elastomer includes (A) a hydrogenated triblock copolymer, (B) a non-aromatic oil, (C) a polyolefin resin, (D) an inorganic filler, (E) a polyphenylene ether resin, and (F) a silicone resin. The thermoplastic elastomer can have good abrasion resistance and antimicrobial activity while possessing low hardness and high strength. Also provided is a molded article using the thermoplastic elastomer.
    Type: Grant
    Filed: June 24, 2013
    Date of Patent: January 3, 2017
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Bum Seok Youn, Kang Yeol Park, Jong Yeun Kim, Jung Wook Kim
  • Publication number: 20130289158
    Abstract: A thermoplastic elastomer includes (A) a hydrogenated triblock copolymer, (B) a non-aromatic oil, (C) a polyolefin resin, (D) an inorganic filler, (E) a polyphenylene ether resin, and (F) a silicone resin. The thermoplastic elastomer can have good abrasion resistance and antimicrobial activity while possessing low hardness and high strength. Also provided is a molded article using the thermoplastic elastomer.
    Type: Application
    Filed: June 24, 2013
    Publication date: October 31, 2013
    Inventors: Bum Seok YOUN, Kang Yeol PARK, Jong Yeun KIM, Jung Wook KIM
  • Patent number: 8044139
    Abstract: The present invention relates to a fiber reinforced nylon composition, wherein the composition includes (A) 25 to 75 parts by weight of a polyarylamide resin, (B) 25 to 75 parts by weight of a reinforcing fiber having a cross-sectional aspect ratio of 1.5 or more, and (C) an impact modifier, and the impact modifier is included in an amount of 1 to 10 parts by weight based on 100 parts by weight of a mixture of the polyarylamide resin and the reinforced fiber. According to the present invention, the fiber reinforced nylonresin composition may exhibit minimal or no warpage, can have excellent fluidity and impact resistance, and can provide high whiteness and a glossy-coating due to minimal or no surface change after dipping in boiling water.
    Type: Grant
    Filed: June 28, 2010
    Date of Patent: October 25, 2011
    Assignee: Cheil Industries Inc.
    Inventors: Bum-Seok Youn, Chang-Min Hong, Tae-Uk Kim, Young-Jun Lee
  • Patent number: 8022128
    Abstract: A thermoplastic elastomer composition comprises (A) about 25 to about 55 parts by weight of a block terpolymer including an aromatic vinyl compound and an alkene compound; (B) about 20 to about 50 parts by weight of a paraffin oil; (C) about 5 to about 15 parts by weight of a polyolefin resin; (D) about 5 to about 20 parts by weight of an inorganic additive; and (E) about 3 to about 15 parts by weight of a polyphenylene ether. The thermoplastic elastomer composition can have excellent physical properties, such as flexibility (or resilience), surface hardness, and restoring force at high temperatures.
    Type: Grant
    Filed: December 9, 2009
    Date of Patent: September 20, 2011
    Assignee: Cheil Industries Inc.
    Inventors: Bum Seok Youn, Lee Kun Cho, Young Sik Ryu, Chang Min Hong, Young Sil Lee, Young Jun Lee
  • Publication number: 20110155948
    Abstract: The present invention provides a polyamide resin composition that can have good whiteness, thermal conductivity and extrusion molding properties, which includes (A) polyamide resin; (B) heat conductive filler; (C) filler; and (D) thermoplastic resin which is miscible with the polyamide resin and has a weight average molecular weight of about 500,000 to about 5,000,000.
    Type: Application
    Filed: December 30, 2010
    Publication date: June 30, 2011
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Han Namkung, Chan Gyun Shin, Young Sik Ryu, Bum Seok Youn, Jong Yeun Kim, Jong Cheol Lim
  • Publication number: 20100324188
    Abstract: The present invention relates to a fiber reinforced nylon composition, wherein the composition includes (A) 25 to 75 parts by weight of a polyarylamide resin, (B) 25 to 75 parts by weight of a reinforcing fiber having a cross-sectional aspect ratio of 1.5 or more, and (C) an impact modifier, and the impact modifier is included in an amount of 1 to 10 parts by weight based on 100 parts by weight of a mixture of the polyarylamide resin and the reinforced fiber. According to the present invention, the fiber reinforced nylonresin composition may exhibit minimal or no warpage, can have excellent fluidity and impact resistance, and can provide high whiteness and a glossy-coating due to minimal or no surface change after dipping in boiling water.
    Type: Application
    Filed: June 28, 2010
    Publication date: December 23, 2010
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Bum-Seok YOUN, Chang-Min HONG, Tae-Uk KIM, Young-Jun LEE
  • Publication number: 20100152320
    Abstract: A thermoplastic elastomer composition comprises (A) about 25 to about 55 parts by weight of a block terpolymer including an aromatic vinyl compound and an alkene compound; (B) about 20 to about 50 parts by weight of a paraffin oil; (C) about 5 to about 15 parts by weight of a polyolefin resin; (D) about 5 to about 20 parts by weight of an inorganic additive; and (E) about 3 to about 15 parts by weight of a polyphenylene ether. The thermoplastic elastomer composition can have excellent physical properties, such as flexibility (or resilience), surface hardness, and restoring force at high temperatures.
    Type: Application
    Filed: December 9, 2009
    Publication date: June 17, 2010
    Applicant: Cheil Industries Inc.
    Inventors: Bum Seok Youn, Lee Kun Cho, Young Sik Ryu, Chang Min Hong, Young Sil Lee, Young Jun Lee
  • Publication number: 20090258967
    Abstract: Disclosed is a nylon-based resin composite that has a sufficiently low moisture absorption rate to substantially prevent the occurrence of deformation and can attain both low warpage and improved impact resistance. The nylon-based resin composite comprises about 100 parts by weight of a base resin and about 1 to about 30 parts by weight of an impact modifier wherein the base resin comprises about 20 to about 80% by weight of a modified nylon-based thermoplastic resin containing benzene rings in the main chain and about 20 to about 80% by weight of a flat reinforcing fiber having a cross-sectional aspect ratio of about 1.5 or more.
    Type: Application
    Filed: June 18, 2009
    Publication date: October 15, 2009
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Jung Hoon PARK, Young Jun LEE, Tae Uk KIM, Bum Seok YOUN