Patents by Inventor Makoto Kondow

Makoto Kondow 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: 4438240
    Abstract: Provided is a polyether-ester-amide consisting essentially of about 5 to 50 weight percent of polaymide segment (A) and about 95 to 50 weight percent of polyether ester segment (B), and having a melting point not lower than 160.degree. C., a Shore hardness in the range of 80A to 45D, a tensile modulus in the range of 100 to 1,000 kg/cm.sup.2 and an elastic recovery at 50% elongation of not less than 70%,said polyamide segment (A) having been obtained from:a C.sub.6 -C.sub.20 aliphatic diamine (A-1); andat least one dicarboxylic acid (A-2) selected from the group consisting of C.sub.6 -C.sub.15 aliphatic dicarboxylic acids, terephthalic acid and hexahydroterephthalic acid, provided the total number of carbon atoms of said diamine and said dicarboxylic acid is not less than 16,said polyether ester segment (B) having been obtained from:a poly(alkylene oxide) glycol (B-1) having a ratio of carbon atom number to oxygen atom number of not smaller than 2.
    Type: Grant
    Filed: May 25, 1983
    Date of Patent: March 20, 1984
    Assignee: Toray Industries, Incorporated
    Inventors: Chiaki Tanaka, Shinobu Nakashima, Makoto Kondow