Patents by Inventor Isao Ishimori

Isao Ishimori 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).

  • Curable composition of epichlorohydrin rubber and acrylic rubber and cured composition therefrom
    Patent number: 4511698
    Abstract: A curable composition of an epichlorohydrin rubber and an acrylic rubber composed of(1) 100 parts by weight of (a) 10-97% by weight of an epichlorohydrin rubber and (b) 3-90% by weight of an epoxy-containing acrylic rubber,(2) as a crosslinking agent, about 0.1 to about 10 parts by weight of a 2,3-dimercapto-pyrazine or -quinoxaline compound having the following formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are as defined in claim 1 and(3) as an acid acceptor, about 0.1 to about 50 parts by weight of a compound of a metal of Group II or IVa of the periodic table.
    Type: Grant
    Filed: December 23, 1982
    Date of Patent: April 16, 1985
    Assignee: Osaka Soda Co. Ltd.
    Inventors: Yasuo Matoba, Isao Ishimori