Patents by Inventor Shiro SAWADA

Shiro SAWADA 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).

  • Publication number: 20240018318
    Abstract: An object is to achieve an improved rustproofing effect by allowing an abundance of rustproofing agent to be released efficiently without the resin having to contain a large amount of rustproofing agent. As a solution, a rustproofing film containing (A) to (C) below is provided: (A) a polyolefin-based resin; (B) 0.05 to 1.00% by weight, relative to the rustproofing film, of an alkaline metal salt of carboxylic acid whose average particle size is 100 ?m or less and solubility in 50° C. water is 0.1% by weight or more; and (C) 0.05 to 5.00% by weight, relative to the rustproofing film, of particles whose average particle size is 5.0 to 200 ?m, aspect ratio is 1.0 to 20.0, and specific surface area is 100 m2/g or less.
    Type: Application
    Filed: October 25, 2021
    Publication date: January 18, 2024
    Inventors: Shiro SAWADA, Tomohiro NIIMI
  • Patent number: 11485118
    Abstract: An object of the present invention is to achieve long-term anticorrosive effect for a wide range of articles such as iron castings, steel sheets, and galvanized steel sheets. As a means for achieving the object, the present invention provides a resin molded product structured in such a way that polyolefin resin layer 1 containing an ammonium salt of carboxylic acid, and polyolefin resin layer 2 containing a metal salt of aliphatic carboxylic acid, are stacked.
    Type: Grant
    Filed: May 27, 2020
    Date of Patent: November 1, 2022
    Assignee: AICELLO CORPORATION
    Inventors: Shiro Sawada, Tomohiro Niimi
  • Publication number: 20200283590
    Abstract: An object of the present invention is to achieve long-term anticorrosive effect for a wide range of articles such as iron castings, steel sheets, and galvanized steel sheets. As a means for achieving the object, the present invention provides a resin molded product structured in such a way that polyolefin resin layer 1 containing an ammonium salt of carboxylic acid, and polyolefin resin layer 2 containing a metal salt of aliphatic carboxylic acid, are stacked.
    Type: Application
    Filed: May 27, 2020
    Publication date: September 10, 2020
    Inventors: Shiro SAWADA, Tomohiro NIIMI
  • Publication number: 20190322839
    Abstract: A resin molded product has a resin layer 1 that contains an ammonium salt of carboxylic acid with an average particle size of 20 ?m or larger. The resin molded product can achieve long-term anticorrosive effect on a wide range of articles such as iron castings, steel sheets, and galvanized steel sheets.
    Type: Application
    Filed: October 23, 2017
    Publication date: October 24, 2019
    Inventors: Shiro SAWADA, Tomohiro NIIMI
  • Publication number: 20190300665
    Abstract: An object of the present invention is to achieve long-term anticorrosive effect for a wide range of articles such as iron castings, steel sheets, and galvanized steel sheets. As a means for achieving the object, the present invention provides a resin molded product structured in such a way that polyolefin resin layer 1 containing an ammonium salt of carboxylic acid, and polyolefin resin layer 2 containing a metal salt of aliphatic carboxylic acid, are stacked.
    Type: Application
    Filed: August 8, 2017
    Publication date: October 3, 2019
    Inventors: Shiro SAWADA, Tomohiro NIIMI