Patents by Inventor Ho Ryong Sun

Ho Ryong Sun 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: 9279049
    Abstract: A low-gloss thermoplastic resin composition that can have excellent heat resistance and weather resistance of the present invention includes (A) a thermoplastic resin forming a first dispersed phase; and (B) an acrylic resin forming a second dispersed phase, wherein the first dispersed phase has a network configuration.
    Type: Grant
    Filed: February 20, 2015
    Date of Patent: March 8, 2016
    Assignee: Cheil Industries Inc.
    Inventors: Jae Keun Hong, Young Sub Jin, Byeong Do Lee, Ho Ryong Sun
  • Patent number: 9228046
    Abstract: Disclosed herein is a low gloss thermoplastic resin composition with a soft touch surface comprising (A) about 10 to about 80% by weight of a soft rubbery aromatic vinyl copolymer resin which comprises rubber particles with a graft ratio of about 40 to about 90% and an average particle diameter of about 6 to about 20 ?m as a dispersed phase; (B) about 4 to about 60% by weight of a rubber-modified aromatic vinyl copolymer resin; and (C) about 5 to about 80% by weight of an aromatic vinyl-vinyl cyanide copolymer resin. The molded article molded from the thermoplastic resin composition can have a soft touch surface as well as excellent low gloss and impact strength.
    Type: Grant
    Filed: June 30, 2010
    Date of Patent: January 5, 2016
    Assignee: Cheil Industries Inc.
    Inventors: Jae Keun Hong, Hwan Seok Park, Byeong Do Lee, Young Sub Jin, Ho Ryong Sun, Sung Kwan Kim, Young Don Yoo
  • Publication number: 20150166781
    Abstract: A low-gloss thermoplastic resin composition that can have excellent heat resistance and weather resistance of the present invention includes (A) a thermoplastic resin forming a first dispersed phase; and (B) an acrylic resin forming a second dispersed phase, wherein the first dispersed phase has a network configuration.
    Type: Application
    Filed: February 20, 2015
    Publication date: June 18, 2015
    Inventors: Jae Keun HONG, Young Sub JIN, Byeong Do LEE, Ho Ryong SUN
  • Patent number: 9000094
    Abstract: A low-gloss thermoplastic resin composition that can have excellent heat resistance and weather resistance of the present invention includes (A) a thermoplastic resin forming a first dispersed phase; and (B) an acrylic resin forming a second dispersed phase, wherein the first dispersed phase has a network configuration.
    Type: Grant
    Filed: June 26, 2013
    Date of Patent: April 7, 2015
    Assignee: Cheil Industries Inc.
    Inventors: Jae Keun Hong, Young Sub Jin, Byeong Do Lee, Ho Ryong Sun
  • Publication number: 20130281569
    Abstract: A low-gloss thermoplastic resin composition that can have excellent heat resistance and weather resistance of the present invention includes (A) a thermoplastic resin forming a first dispersed phase; and (B) an acrylic resin forming a second dispersed phase, wherein the first dispersed phase has a network configuration.
    Type: Application
    Filed: June 26, 2013
    Publication date: October 24, 2013
    Inventors: Jae Keun HONG, Young Sub JIN, Byeong Do LEE, Ho Ryong SUN
  • Patent number: 8557923
    Abstract: Disclosed herein is a thermoplastic resin composition having excellent scratch resistance and a method for preparing the same. The thermoplastic resin composition comprises (A) about 80 to about 95% by weight of a terpolymer of (meth)acrylic acid alkyl ester-aromatic vinyl-cyanide vinyl compound; and (B) about 5 to about 20% by weight of a butadiene rubber.
    Type: Grant
    Filed: December 29, 2008
    Date of Patent: October 15, 2013
    Assignee: Cheil Industries Inc.
    Inventors: Young Sub Jin, Hwan Seok Park, Jae Keun Hong, Sung Kwan Kim, Ho Ryong Sun, Byeong Do Lee, Kyung Jong Lee
  • Patent number: 8362143
    Abstract: Disclosed herein is a non-glossy rubber modified aromatic vinyl-vinyl cyanide copolymer and a method for continuously preparing the same. The copolymer comprises about 80 to about 93% by weight of an aromatic vinyl-vinyl cyanide copolymer grafted onto about 7 to about 20% by weight of a diene-based rubber, and a dispersed phase of the copolymer has an average rubber particle diameter of about 6 to about 20 ?m and a span of about 1.2 to about 2.8.
    Type: Grant
    Filed: December 29, 2008
    Date of Patent: January 29, 2013
    Assignee: Cheil Industries Inc.
    Inventors: Hwan Seok Park, Young Sub Jin, Jae Keun Hong, Sung Kwan Kim, Byeong Do Lee, Ho Ryong Sun, Seung Dae Lee
  • Patent number: 8232349
    Abstract: Disclosed herein is a transparent thermoplastic resin comprising a rubber phase including an aromatic rubbery block copolymer resin, and a resin phase including a terpolymer comprising an aromatic vinyl compound, a vinyl cyanide compound and an unsaturated alkyl ester compound, wherein the rubber phase and the resin phase have a co-continuous phase structure.
    Type: Grant
    Filed: November 3, 2008
    Date of Patent: July 31, 2012
    Assignee: Cheil Industries Inc.
    Inventors: Jae Keun Hong, Byeong Do Lee, Young Sub Jin, Hwan Seok Park, Ho Ryong Sun
  • Patent number: 8222344
    Abstract: A weather resistant thermoplastic resin having excellent low gloss characteristics according to the present invention comprises a (meth)acrylic acid alkyl ester-based polymer (A) and an aromatic vinyl-cyanide vinyl based copolymer (B), wherein the (meth)acrylic acid alkyl ester-based polymer (A) forms a network-shaped disperse phase, and the aromatic vinyl-cyanide vinyl based copolymer (B) forms a continuous phase. The thermoplastic resin has excellent low gloss characteristics as well as superior weatherability, impact resistance, thermal resistance, delamination characteristics, and the like.
    Type: Grant
    Filed: October 26, 2009
    Date of Patent: July 17, 2012
    Assignee: Cheil Industries Inc.
    Inventors: Young Sub Jin, Sung Kwan Kim, Hwan Seok Park, Jae Keun Hong, Byeong Do Lee, Ho Ryong Sun, Bong Sil Jang, Chul In Lim
  • Patent number: 8097680
    Abstract: A thermoplastic resin of the present invention is prepared by copolymerizing conjugated diene rubber (A), rubbery aromatic copolymer (B), heat resistant aromatic vinyl compound (C), aromatic vinyl compound (D), unsaturated nitrile compound (E) and cross linking agent (F) and can have excellent heat resistance, impact strength, and low gloss.
    Type: Grant
    Filed: December 28, 2009
    Date of Patent: January 17, 2012
    Assignee: Cheil Industries Inc.
    Inventors: Jae Keun Hong, Byeong Do Lee, Ho Ryong Sun, Young Sub Jin, Hwan Seok Park, Sung Kwan Kim, Jae Woo Park
  • Publication number: 20100331475
    Abstract: Disclosed herein is a low gloss thermoplastic resin composition with a soft touch surface comprising (A) about 10 to about 80% by weight of a soft rubbery aromatic vinyl copolymer resin which comprises rubber particles with a graft ratio of about 40 to about 90% and an average particle diameter of about 6 to about 20 ?m as a dispersed phase; (B) about 4 to about 60% by weight of a rubber-modified aromatic vinyl copolymer resin; and (C) about 5 to about 80% by weight of an aromatic vinyl-vinyl cyanide copolymer resin. The molded article molded from the thermoplastic resin composition can have a soft touch surface as well as excellent low gloss and impact strength.
    Type: Application
    Filed: June 30, 2010
    Publication date: December 30, 2010
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Jae Keun Hong, Hwan Seok Park, Byeong Do Lee, Young Sub Jin, Ho Ryong Sun, Sung Kwan Kim, Young Don Yoo
  • Publication number: 20100168333
    Abstract: The present invention provides a thermoplastic resin composition that can have excellent heat resistance and impact strength comprising a rubber-modified styrene resin and a copolymer of N-substituted maleimide compound and aromatic vinyl compound.
    Type: Application
    Filed: December 28, 2009
    Publication date: July 1, 2010
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Jae Keun HONG, Byeong Do LEE, Ho Ryong SUN, Young Sub JIN, Hwan Seok PARK, Sung Kwan KIM, Sa Chun BAE
  • Publication number: 20100168354
    Abstract: A thermoplastic resin of the present invention is prepared by copolymerizing conjugated diene rubber (A), rubbery aromatic copolymer (B), heat resistant aromatic vinyl compound (C), aromatic vinyl compound (D), unsaturated nitrile compound (E) and cross linking agent (F) and can have excellent heat resistance, impact strength, and low gloss.
    Type: Application
    Filed: December 28, 2009
    Publication date: July 1, 2010
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Jae Keun HONG, Byeong Do LEE, Ho Ryong SUN, Young Sub JIN, Hwan Seok PARK, Sung Kwan KIM, Jae Woo PARK
  • Publication number: 20100105840
    Abstract: A weather resistant thermoplastic resin having excellent low gloss characteristics according to the present invention comprises a (meth)acrylic acid alkyl ester-based polymer (A) and an aromatic vinyl-cyanide vinyl based copolymer (B), wherein the (meth)acrylic acid alkyl ester-based polymer (A) forms a network-shaped disperse phase, and the aromatic vinyl-cyanide vinyl based copolymer (B) forms a continuous phase. The thermoplastic resin has excellent low gloss characteristics as well as superior weatherability, impact resistance, thermal resistance, delamination characteristics, and the like.
    Type: Application
    Filed: October 26, 2009
    Publication date: April 29, 2010
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Young Sub Jin, Sung Kwan Kim, Hwan Seok Park, Jae Keun Hong, Byeong Do Lee, Ho Ryong Sun, Bong Sil Jang, Chul In Lim
  • Publication number: 20090171028
    Abstract: Disclosed herein is a thermoplastic resin composition having excellent scratch resistance and a method for preparing the same. The thermoplastic resin composition comprises (A) about 80 to about 95% by weight of a terpolymer of (meth)acrylic acid alkyl ester-aromatic vinyl-cyanide vinyl compound; and (B) about 5 to about 20% by weight of a butadiene rubber.
    Type: Application
    Filed: December 29, 2008
    Publication date: July 2, 2009
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Young Sub Jin, Hwan Seok Park, Jae Keun Hong, Sung Kwan Kim, Ho Ryong Sun, Byeong Do Lee, Kyung Jong Lee
  • Publication number: 20090171020
    Abstract: Disclosed herein is a non-glossy rubber modified aromatic vinyl-vinyl cyanide copolymer and a method for continuously preparing the same. The copolymer comprises about 80 to about 93% by weight of an aromatic vinyl-vinyl cyanide copolymer grafted onto about 7 to about 20% by weight of a diene-based rubber, and a dispersed phase of the copolymer has an average rubber particle diameter of about 6 to about 20 ?m and a span of about 1.2 to about 2.8.
    Type: Application
    Filed: December 29, 2008
    Publication date: July 2, 2009
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Hwan Seok Park, Young Sub Jin, Jae Keun Hong, Sung Kwan Kim, Byeong Do Lee, Ho Ryong Sun, Seung Dae Lee
  • Publication number: 20090124750
    Abstract: Disclosed herein is a transparent thermoplastic resin comprising a rubber phase including an aromatic rubbery block copolymer resin, and a resin phase including a terpolymer comprising an aromatic vinyl compound, a vinyl cyanide compound and an unsaturated alkyl ester compound, wherein the rubber phase and the resin phase have a co-continuous phase structure.
    Type: Application
    Filed: November 3, 2008
    Publication date: May 14, 2009
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Jae Keun HONG, Byeong Do LEE, Young Sub JIN, Hwan Seok PARK, Ho Ryong SUN