Patents by Inventor Yun-Jo Kim

Yun-Jo Kim 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: 11104181
    Abstract: The present invention relates to an inflation film and a method for manufacturing the inflation film, wherein the inflation film includes a base film, including: a polyamide-based resin; a copolymer containing polyamide-based segments and poly-ether-based segments; and an olefin-based polymer compound, and has a small variation in physical properties between a machine direction (MD) and a transverse direction (TD) of the film.
    Type: Grant
    Filed: September 29, 2016
    Date of Patent: August 31, 2021
    Inventor: Yun-Jo Kim
  • Patent number: 10774189
    Abstract: Provided are a polyester film that is usable for protecting a surface of a metal plate of a construction material, a decorative material, an interior material, an electronic product, etc., and a manufacturing method therefor, and a polyester mold product using the same and a manufacturing method therefor, wherein the polyester film has low orientation and low modulus to have excellent moldability.
    Type: Grant
    Filed: April 10, 2015
    Date of Patent: September 15, 2020
    Assignee: KOLON INDUSTRIES, INC.
    Inventors: Si Min Kim, Dong Jin Kim, Yun Jo Kim
  • Patent number: 10533078
    Abstract: The present invention relates to a polymer film comprising a base film comprising polyamide-based resin; and two or more kinds of copolymers comprising polyamide-based segments and polyether-based segments, and a method for preparing the polymer film.
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: January 14, 2020
    Assignee: KOLON INDUSTRIES, INC.
    Inventor: Yun-Jo Kim
  • Patent number: 10315462
    Abstract: This disclosure relates to a polymer film including: a base film including polyamide-based resin including two or more different kinds of repeat units; and a copolymer including polyamide-based segments and polyether-based segments.
    Type: Grant
    Filed: June 27, 2014
    Date of Patent: June 11, 2019
    Assignee: KOLON INDUSTRIES, INC.
    Inventors: Yun-Jo Kim, Si-Min Kim, Dong-Jin Kim
  • Patent number: 10065405
    Abstract: This disclosure relates to a film for a tire inner liner film that may exhibit uniform excellent physical properties over all directions when applied to a tire, and may secure excellent durability and fatigue resistance in a tire manufacturing process or in an automobile running process, a method for manufacturing the film for a tire inner liner, a pneumatic tire using the tire inner liner film, and a method for manufacturing the pneumatic tire using the tire inner liner film.
    Type: Grant
    Filed: March 8, 2013
    Date of Patent: September 4, 2018
    Assignee: KOLON INDUSTRIES, INC.
    Inventors: Yun-Jo Kim, Si-Min Kim, Dong-Jin Kim, Il Chung, Dong-Hyeon Choi
  • Publication number: 20180244102
    Abstract: The present invention relates to an inflation film and a method for manufacturing the inflation film, wherein the inflation film includes a base film, including: a polyamide-based resin; a copolymer containing polyamide-based segments and poly-ether-based segments; and an olefin-based polymer compound, and has a small variation in physical properties between a machine direction (MD) and a transverse direction (TD) of the film.
    Type: Application
    Filed: September 29, 2016
    Publication date: August 30, 2018
    Inventor: Yun-Jo KIM
  • Patent number: 10000002
    Abstract: The present invention relates to: a method for manufacturing a polymer film, the method including a base film forming step for co-extruding a first resin containing a polyamide-based resin and a second resin containing a copolymer including polyamide-based segments and polyether-based segments; a co-extruded film including a base film including a first resin layer containing a polyamide-based resin, and a second resin layer containing a copolymer having polyamide-based segments and polyether-based segments; to a co-extruded film including a base film including a first resin layer and a second resin layer, which have different melting points; and to a method for manufacturing a polymer film, the method including a base film forming step including a step of co-extruding a first resin and a second resin, which have different melting points.
    Type: Grant
    Filed: December 30, 2014
    Date of Patent: June 19, 2018
    Assignee: KOLON INDUSTRIES, INC.
    Inventors: Yun-Jo Kim, Si-Min Kim, Dong-Hyeon Choi, Dong-Jin Kim
  • Patent number: 9833943
    Abstract: Provided are a polyester white film and a back sheet for a solar cell module using the same, and in particular, provided is a polyester white film having improved light reflectance.
    Type: Grant
    Filed: February 21, 2013
    Date of Patent: December 5, 2017
    Assignee: KOLON INDUSTRIES, INC.
    Inventors: Yun Jo Kim, Dong-Hyeon Choi, Si Min Kim
  • Publication number: 20170313832
    Abstract: The present invention relates to a polymer film comprising a base film comprising polyamide-based resin; and two or more kinds of copolymers comprising polyamide-based segments and polyether-based segments, and a method for preparing the polymer film.
    Type: Application
    Filed: September 30, 2015
    Publication date: November 2, 2017
    Inventor: Yun-Jo KIM
  • Publication number: 20170022340
    Abstract: Provided are a polyester film that is usable for protecting a surface of a metal plate of a construction material, a decorative material, an interior material, an electronic product, etc., and a manufacturing method therefor, and a polyester mold product using the same and a manufacturing method therefor, wherein the polyester film has low orientation and low modulus to have excellent moldability.
    Type: Application
    Filed: April 10, 2015
    Publication date: January 26, 2017
    Applicant: KOLON INDUSTRIES, INC.
    Inventors: Si Min KIM, Dong Jin KIM, Yun Jo KIM
  • Patent number: 9492981
    Abstract: This disclosure relates to a film for a tire inner liner including a base film layer including a copolymer or a mixture of 50 wt % to 95 wt % of a polyamide-based resin and 5 wt % to 50 wt % of a polyether-based resin, and an adhesive layer including a resorcinol-formalin-latex (RFL)-based adhesive formed on at least one side of the base film layer, wherein a difference between a maximum thickness and an average thickness of the base film layer and a difference between a minimum thickness and the average thickness of the base film layer are respectively 6% or less of the base film, and a method for manufacturing the same. According to the present invention, an excellent gas barrier property may be achieved with a thin thickness, and thus the weight of a tire may become light and the mileage of automobiles may be improved, and as the inner liner film may have a uniform thickness, excellent forming stability and a tire having excellent durability may be provided.
    Type: Grant
    Filed: September 28, 2012
    Date of Patent: November 15, 2016
    Assignee: KOLON INDUSTRIES, INC.
    Inventors: Ki-Sang Song, Yun-Jo Kim, Hyun Cho, Si-Min Kim
  • Publication number: 20160318227
    Abstract: The present invention relates to: a method for manufacturing a polymer film, the method including a base film forming step for co-extruding a first resin containing a polyamide-based resin and a second resin containing a copolymer including polyamide-based segments and polyether-based segments; a co-extruded film including a base film including a first resin layer containing a polyamide-based resin, and a second resin layer containing a copolymer having polyamide-based segments and polyether-based segments; to a co-extruded film including a base film including a first resin layer and a second resin layer, which have different melting points; and to a method for manufacturing a polymer film, the method including a base film forming step including a step of co-extruding a first resin and a second resin, which have different melting points.
    Type: Application
    Filed: December 30, 2014
    Publication date: November 3, 2016
    Inventors: Yun-Jo KIM, Si-Min KIM, Dong-Hyeon CHOI, Dong-Jin KIM
  • Patent number: 9453114
    Abstract: Provided is a polyester film having excellent high-temperature dimensional stability. More particularly, provided is a method for producing a polyester film, including: a) extruding and cooling a polyester resin to provide a non-oriented sheet; b) orienting the sheet in the machine direction (MD); c) orienting the MD oriented sheet in the transverse direction (TD); d) heat treating the sheet; and e) carrying out simultaneous relaxation by subjecting the heat treated sheet to MD relaxation at a ratio of 1% or higher, while subjecting it to TD relaxation in a tenter. Provided also is a polyester film obtained by the method.
    Type: Grant
    Filed: September 2, 2009
    Date of Patent: September 27, 2016
    Assignee: KOLON INDUSTRIES, INC.
    Inventors: Yun Jo Kim, Gi Sang Song, Si Min Kim
  • Patent number: 9416268
    Abstract: Provided are a film for food packaging, capable of having excellent adhesion with a metal deposition layer and thus retaining moisture barrier property while having superior flexibility, transparency, and biodegradability, and a method for manufacturing the same.
    Type: Grant
    Filed: September 10, 2014
    Date of Patent: August 16, 2016
    Assignee: KOLON INDUSTRIES, INC.
    Inventors: Dong Jin Kim, Si Min Kim, Yun Jo Kim, Gi Sang Song
  • Patent number: 9418577
    Abstract: The present invention relates to a metalizing film including a polyester-based film layer having a heat-shrinking property, and a use of the metalizing film used as a film label capable of replacing a paper label attached to a glass bottle.
    Type: Grant
    Filed: March 19, 2012
    Date of Patent: August 16, 2016
    Assignee: KOLON INDUSTRIES, INC.
    Inventors: Dong Jin Kim, Si Min Kim, Yun Jo Kim, Il Chon Kwon
  • Publication number: 20160114627
    Abstract: This disclosure relates to a polymer film including: a base film including polyamide-based resin including two or more different kinds of repeat units; and a copolymer including polyamide-based segments and polyether-based segments.
    Type: Application
    Filed: June 27, 2014
    Publication date: April 28, 2016
    Inventors: Yun-Jo KIM, Si-Min KIM, Dong-Jin KIM
  • Patent number: 9187637
    Abstract: Disclosed is a thermo-shrinkable polyester film in which shrinkage uniformity is ensured in a shrinking process thus realizing superior quality of the outer appearance without causing a poorly printed state, reducing the production cost of the shrinking process and improving the productivity.
    Type: Grant
    Filed: November 19, 2008
    Date of Patent: November 17, 2015
    Assignee: KOLON INDUSTRIES, INC.
    Inventors: Yun Jo Kim, Chan Seok Yoon, Sung Ho Lee, Si Min Kim
  • Patent number: 9150689
    Abstract: The present invention provides a method of preparing a flame retardant polyester fiber that makes it possible to prepare a flame retardant polyester fiber having excellent shape stability while preventing a lumping phenomonon and reducing powder generation and discoloration during the preparing process of the flame retardant polyester fiber, and a flame retardant polyester fiber prepared therefrom.
    Type: Grant
    Filed: January 29, 2013
    Date of Patent: October 6, 2015
    Assignee: KOLON INDUSTRIES, INC.
    Inventors: Yun-Jo Kim, Young-Soo Lee, Si-Min Kim
  • Publication number: 20150027530
    Abstract: Provided are a polyester white film and a back sheet for a solar cell module using the same, and in particular, provided is a polyester white film having improved light reflectance.
    Type: Application
    Filed: February 21, 2013
    Publication date: January 29, 2015
    Applicant: KOLON INDUSTRIES, INC.
    Inventors: Yun Jo Kim, Dong-Hyeon Choi, Si Min Kim
  • Publication number: 20150017361
    Abstract: This disclosure relates to a film for a tire inner liner film that may exhibit uniform excellent physical properties over all directions when applied to a tire, and may secure excellent durability and fatigue resistance in a tire manufacturing process or in an automobile running process, a method for manufacturing the film for a tire inner liner, a pneumatic tire using the tire inner liner film, and a method for manufacturing the pneumatic tire using the tire inner liner film.
    Type: Application
    Filed: March 8, 2013
    Publication date: January 15, 2015
    Applicant: KOLON INDUSTRIES, INC
    Inventors: Yun-Jo Kim, Si-Min Kim, Dong-Jin Kim, II Chung, Dong-Hyeon Choi