Patents Assigned to DONGSHIN POLYMER CO., LTD.
  • Patent number: 11987022
    Abstract: A tile-type decorative flooring material includes a surface-processed layer, a clear layer, a design-print layer, an underlayer, and a micro-embossed plastic foam part having a plastic foam layer and an adhesive film layer with micro-embossing. The flooring material provides a significant improvement in terms of slippage between the product and the floor surface in a construction process not using an adhesive.
    Type: Grant
    Filed: January 28, 2021
    Date of Patent: May 21, 2024
    Assignees: DONGSHIN POLYMER CO., LTD., SHINKO KASEI CO., LTD.
    Inventor: Dong Jin Oh
  • Patent number: 11731403
    Abstract: A sound insulation flooring material according to the present invention in which a heat resistance, sound insulation, and adhesion are improved is implemented by sequentially stacking a plurality of layers, a first balance layer, a second balance layer, a primer layer, a PE foam layer, and a PE release paper layer. In this case, the primer layer includes a first composition, a second composition, and a curing agent, and the first composition includes a resin, propanol, 1-methoxy-2-propanol, propyl acetate, isopropanol, butanone, and water.
    Type: Grant
    Filed: August 12, 2019
    Date of Patent: August 22, 2023
    Assignees: DONGSHIN POLYMER CO., LTD., SHINKO KASEI CO., LTD
    Inventor: Dong Jin Oh
  • Patent number: 10947742
    Abstract: Provided are a recyclable synthetic resin tile to be laid contributing to establishment of a recycling-oriented society, and a method of manufacturing the same. A recyclable synthetic resin tile to be laid wherein a main constituent resin includes an olefinic thermoplastic resin and/or thermoplastic elastomer, and the tile includes a base part in which a decorative layer, two or more intermediate layers, and a balance layer are laminated in this order, and a layer of the intermediate layers includes an inorganic fiber layer, and the decorative layer and the balance layer are shaped to be concave-convex.
    Type: Grant
    Filed: February 20, 2017
    Date of Patent: March 16, 2021
    Assignees: Shinko Kasei Co., Ltd., Dongshin Polymer Co., Ltd.
    Inventors: Eitoku Yasuda, Masataka Matsumoto
  • Patent number: D754371
    Type: Grant
    Filed: July 23, 2014
    Date of Patent: April 19, 2016
    Assignee: DONGSHIN POLYMER CO., LTD.
    Inventors: Young Douk Oh, Chang Bo Yuon
  • Patent number: D754372
    Type: Grant
    Filed: July 23, 2014
    Date of Patent: April 19, 2016
    Assignee: DONGSHIN POLYMER CO., LTD.
    Inventors: Young Douk Oh, Chang Bo Yuon