Patents by Inventor Kohei Nakane

Kohei Nakane 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: 11078389
    Abstract: In the present invention, a solvent-based (SB) adhesive for the purpose of closing or sealing the open end of a bag, such as a plastic trash bag, liner or like, is coated to the exterior or interior surface of said bag and creates a neat, tight functional seal to said bag when twist activated.
    Type: Grant
    Filed: March 31, 2020
    Date of Patent: August 3, 2021
    Assignee: Sun Chemical Corporation
    Inventors: Paul Kurtz, Philippe Schottland, Russell Schwartz, Kohei Nakane
  • Patent number: 10960642
    Abstract: Provided is a solvent-free-adhesive polyisocyanate composition, containing, a polyisocyanate (A) and an aromatic vinyl-maleic anhydride copolymer (B), which is a copolymer of aromatic vinyl and maleic anhydride in which a molar ratio [aromatic vinyl/maleic anhydride] of the raw material monomers of the copolymer is 1.5/1 to 5/1. Further provided is a method for producing the polyisocyanate composition; a solvent-free adhesive containing, the solvent-free-adhesive polyisocyanate composition and a polyol (Y); and a multilayer film obtained by laminating a first base material film, a second base material film, and an adhesive layer between the base material films, in which the adhesive layer is formed of the solvent-free adhesive.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: March 30, 2021
    Assignee: DIC Corporation
    Inventors: Shinichi Ohara, Kiyokazu Umetsu, Ryoji Kimura, Tomoo Okubo, Kenichi Shimamura, Kohei Nakane
  • Publication number: 20210087439
    Abstract: In the present invention, a solvent-based (SB) adhesive for the purpose of closing or sealing the open end of a bag, such as a plastic trash bag, liner or like, is coated to the exterior or interior surface of said bag and creates a neat, tight functional seal to said bag when twist activated.
    Type: Application
    Filed: March 31, 2020
    Publication date: March 25, 2021
    Applicant: SUN CHEMICAL CORPORATION
    Inventors: Paul Kurtz, Philippe Schottland, Russell Schwartz, Kohei Nakane
  • Publication number: 20190169475
    Abstract: Provided is a solvent-free-adhesive polyisocyanate composition, containing, a polyisocyanate (A) and an aromatic vinyl-maleic anhydride copolymer (B), which is a copolymer of aromatic vinyl and maleic anhydride in which a molar ratio [aromatic vinyl/maleic anhydride] of the raw material monomers of the copolymer is 1.5/1 to 5/1. Further provided is a method for producing the polyisocyanate composition; a solvent-free adhesive containing, the solvent-free-adhesive polyisocyanate composition and a polyol (Y); and a multilayer film obtained by laminating a first base material film, a second base material film, and an adhesive layer between the base material films, in which the adhesive layer is formed of the solvent-free adhesive.
    Type: Application
    Filed: February 23, 2018
    Publication date: June 6, 2019
    Applicant: DIC Corporation
    Inventors: Shinichi Ohara, Kiyokazu Umetsu, Ryoji Kimura, Tomoo Okubo, Kenichi Shimamura, Kohei Nakane