Patents by Inventor Masateru Akamatsu

Masateru Akamatsu 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).

  • Aqueous dispersion for coating and coated articles
    Patent number: 4173669
    Abstract: An aqueous dispersion of partially neutralized ethylene/.alpha.,.beta.-ethylenically unsaturated carboxylic acid copolymer having a specific composition distribution of the acidic units is found to have an excellent film-forming property and suitable for coating of various substrates. Articles coated with said aqueous dispersion are improved in various properties such as heat-sealability, oil resistance, water resistance, adhesiveness and so on.
    Type: Grant
    Filed: September 9, 1977
    Date of Patent: November 6, 1979
    Assignee: Asahi-Dow Limited
    Inventors: Takeshi Ashida, Fumitaka Saito, Masateru Akamatsu