Patents by Inventor Takahisa Minamizono

Takahisa Minamizono 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: 4670490
    Abstract: A vinyl chloride resin composition with a yield stress of 1 to 5 g/mm.sup.2, composed of(A) 100 parts by weight of a vinyl chloride resin containing 0 to about 20% by weight of a comonomer,(B) about 10 to about 80 parts by weight, per 100 parts by weight of the resin (A), of (B-1) a liquid polyester plasticizer having a number average molecular weight (Mn) of not less than about 1,500 and 0 to about 10 parts by weight, per 100 parts by weight of the resin (A), of (B-2) a plasticizer for the resin (A), which is other than said plasticizer (B-1), and(C) about 0.2 to about 200% by weight, based on the total weight of said plasticizers (B-1) and (B-2), of a low-molecular-weight acrylic or methacrylic resin having a number average molecular weight (Mn) of about 1,500 to about 50,000 and being solid at 23.degree. C.
    Type: Grant
    Filed: March 19, 1984
    Date of Patent: June 2, 1987
    Assignee: Nippon Carbide Kogyo Kabushiki Kaisha
    Inventors: Tatsuro Yoshida, Hidematsu Shimasaki, Takahisa Minamizono, Katsura Ochi