Patents by Inventor Yoshio Isuda

Yoshio Isuda 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).

  • Perfluoro compound and emulsion thereof
    Patent number: 4591593
    Abstract: A novel compound of the formula, ##STR1## wherein R denotes a lower perfluoroalkyl group l is an integer of 3 or 4, n+m is an integer of 2 or 3, provided that n may be zero, and at least one of ring A and ring B may be substituted by a lower perfluoroalkyl group, prepared by reacting the corresponding perhydro compound with fluorine is useful as a material capable of carrying oxygen in an aqueous emulsion for lifesaving a patient suffering from massive hemorrhage and for preserving internal organs in transplantation.
    Type: Grant
    Filed: November 17, 1982
    Date of Patent: May 27, 1986
    Assignee: The Green Cross Corporation
    Inventors: Kazumasa Yokoyama, Chikara Fukaya, Yoshio Isuda, Taizo Ono, Yoshio Arakawa, Tadakazu Suyama