Patents by Inventor Jae-woung Ha

Jae-woung Ha 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: 10611933
    Abstract: Disclosed are a removal aqueous emulsion adhesive, as an aqueous adhesive, which is environmental-friendly, exhibits superior adhesive strength and heat resistance, and low removal noise and is free of ghosts, as compared to rubber-soluble adhesives, and is thus applicable to a variety of commercial labels including labels for cosmetics, medicine, foods, chemical products and promotion, as well as to adhesive sheets such as adhesive labels used for electric and electrical products that require heat resistance and absence of ghosts, and a method for preparing the same.
    Type: Grant
    Filed: August 19, 2011
    Date of Patent: April 7, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Kong-Ju Song, Young-Min Kim, Jae-Woung Ha, Kum-Hyung Lee
  • Patent number: 9856405
    Abstract: Disclosed are an acryl-silicone-based hybrid emulsion adhesive composition and a method of preparing the same. Particularly, an acryl-silicone-based hybrid emulsion adhesive composition that includes an acrylic emulsion resin prepared by emulsion polymerization of an acrylic monomer mixture and a seed formed of a reactive silicone resin and thus has high weather resistance and heat resistance and a method of preparing the same are provided.
    Type: Grant
    Filed: November 6, 2013
    Date of Patent: January 2, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Jae Woung Ha, Young-Min Kim, Jung Sup Han, Kong Ju Song, Mi Young Kim, Kumhyoung Lee
  • Patent number: 9353298
    Abstract: Disclosed are an acrylic emulsion pressure-sensitive adhesive (PSA) composition and a method of preparing the same. The acrylic emulsion PSA composition with high solid content and high stability includes latex particles in which at least three anionic emulsifiers cover polymer particulates including: a (meth)acrylic acid ester monomer having a C1-C14 alkyl group as a main monomer; at least one monomer selected from the group consisting of a monomer having an allyl ester group, a vinyl ester group, an unsaturated ester group, or a mixture thereof, a cyano group containing monomer, an amine group containing monomer, and a styrenic monomer having a vinyl group, as an auxiliary monomer; a monomer having a carboxyl group and/or a hydroxyl group as a functional monomer; and a crosslinking agent, wherein the latex particles have a nanometer scale average particle diameter and monomodal particle size distribution.
    Type: Grant
    Filed: October 8, 2013
    Date of Patent: May 31, 2016
    Assignee: LG Chem, Ltd.
    Inventors: Jae Woung Ha, Young-Min Kim, Jung Sup Han, Kong Ju Song, Mi Young Kim, Kumhyoung Lee
  • Publication number: 20150344746
    Abstract: Disclosed are an acrylic emulsion pressure-sensitive adhesive (PSA) composition and a method of preparing the same. The acrylic emulsion PSA composition with high solid content and high stability includes latex particles in which at least three anionic emulsifiers cover polymer particulates including: a (meth)acrylic acid ester monomer having a C1-C14 alkyl group as a main monomer; at least one monomer selected from the group consisting of a monomer having an allyl ester group, a vinyl ester group, an unsaturated ester group, or a mixture thereof, a cyano group containing monomer, an amine group containing monomer, and a styrenic monomer having a vinyl group, as an auxiliary monomer; a monomer having a carboxyl group and/or a hydroxyl group as a functional monomer; and a crosslinking agent, wherein the latex particles have a nanometer scale average particle diameter and monomodal particle size distribution.
    Type: Application
    Filed: October 8, 2013
    Publication date: December 3, 2015
    Inventors: Jae Woung HA, Young-Min KIM, Jung Sup HAN, Kong Ju SONG, Mi Young KIM, Kumhyoung LEE
  • Publication number: 20150284612
    Abstract: Disclosed are an acryl-silicone-based hybrid emulsion adhesive composition and a method of preparing the same. Particularly, an acryl-silicone-based hybrid emulsion adhesive composition that includes an acrylic emulsion resin prepared by emulsion polymerization of an acrylic monomer mixture and a seed formed of a reactive silicone resin and thus has high weather resistance and heat resistance and a method of preparing the same are provided.
    Type: Application
    Filed: November 6, 2013
    Publication date: October 8, 2015
    Inventors: Jae Woung Ha, Young-Min Kim, Jung Sup Han, Kong Ju Song, Mi Young Kim, Kumhyoung Lee
  • Patent number: 9040155
    Abstract: Provided is an adhesive composition for a protective film including an acrylic emulsion resin capable of providing contamination resistance on the film and low peel strength and minimizing generation of static electricity during peeling of the protective film. The acrylic emulsion resin includes a mixture including 80 to 99.9% by weight of a polymer of a (meth)acrylic acid ester monomer including a C1-C14 alkyl group and a (meth)acrylic acid ester monomer including an alkylene oxide unit, and 0.1 to 20% by weight of a monomer including a carboxyl group and/or a hydroxyl group or a combination thereof, and 5 to 30 parts by weight of a reactive emulsifier having a double bond structure radical-polymerizable with the polymer and including an alkylene oxide unit based on 100 parts by weight of the mixture.
    Type: Grant
    Filed: October 22, 2012
    Date of Patent: May 26, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Jae Woung Ha, Young-Min Kim, Jung Sup Han, Kong Ju Song, Kumhyoung Lee
  • Publication number: 20150010753
    Abstract: Provided is an adhesive composition for a protective film including an acrylic emulsion resin capable of providing contamination resistance on the film and low peel strength and minimizing generation of static electricity during peeling of the protective film. The acrylic emulsion resin includes a mixture including 80 to 99.9% by weight of a polymer of a (meth)acrylic acid ester monomer including a C1-C14 alkyl group and a (meth)acrylic acid ester monomer including an alkylene oxide unit, and 0.1 to 20% by weight of a monomer including a carboxyl group and/or a hydroxyl group or a combination thereof, and 5 to 30 parts by weight of a reactive emulsifier having a double bond structure radical-polymerizable with the polymer and including an alkylene oxide unit based on 100 parts by weight of the mixture.
    Type: Application
    Filed: October 22, 2012
    Publication date: January 8, 2015
    Applicant: LG CHEM, LTD. .
    Inventors: Jae Woung Ha, Young-Min Kim, Jung Sup Han, Kong Ju Song, Kumhyoung Lee
  • Publication number: 20130157050
    Abstract: Disclosed are a removal aqueous emulsion adhesive, as an aqueous adhesive, which is environmental-friendly, exhibits superior adhesive strength and heat resistance, and low removal noise and is free of ghosts, as compared to rubber-soluble adhesives, and is thus applicable to a variety of commercial labels including labels for cosmetics, medicine, foods, chemical products and promotion, as well as to adhesive sheets such as adhesive labels used for electric and electrical products that require heat resistance and absence of ghosts, and a method for preparing the same.
    Type: Application
    Filed: August 19, 2011
    Publication date: June 20, 2013
    Applicant: LG CHEM, LTD.
    Inventors: Kong-Ju Song, Young-Min Kim, Jae-Woung Ha, Kum-Hyung Lee
  • Patent number: 7803461
    Abstract: The present invention relates to a silicone-acrylic impact modifier having multi-layer structure and a thermoplastic resin composition containing the same, more precisely a silicone-acrylic impact modifier which is composed of i) silicone rubber seed containing one or more vinyl copolymers; ii) acrylic rubber core covering the seed; and iii) a shell containing one or more vinyl copolymers covering the acrylic rubber core, and a thermoplastic resin composition containing the same. The thermoplastic resin having the silicone-acrylic impact modifier of the present invention has improved impact resistance and colorability.
    Type: Grant
    Filed: October 25, 2005
    Date of Patent: September 28, 2010
    Assignee: LG Chem, Ltd.
    Inventors: Keon-suk Lee, Jeong-heon Ahn, Jin-young Rew, Jae-woung Ha
  • Publication number: 20060089456
    Abstract: The present invention relates to a silicone-acrylic impact modifier having multi-layer structure and a thermoplastic resin composition containing the same, more precisely a silicone-acrylic impact modifier which is composed of i) silicone rubber seed containing one or more vinyl copolymers; ii) acrylic rubber core covering the seed; and iii) a shell containing one or more vinyl copolymers covering the acrylic rubber core, and a thermoplastic resin composition containing the same. The thermoplastic resin having the silicone-acrylic impact modifier of the present invention has improved impact resistance and colorability.
    Type: Application
    Filed: October 25, 2005
    Publication date: April 27, 2006
    Inventors: Keon-suk Lee, Jeong-heon Ahn, Jin-young Rew, Jae-woung Ha