Patents Assigned to Nihon Medi-Physics Company, Ltd.
  • Radioactive diagnostic agent for bone scanning and non-radioactive carrier therefor
    Patent number: 4439413
    Abstract: A radioactive diagnostic agent for bone scanning, which comprises .sup.99m Tc and a non-radioactive carrier comprising (A) at least one chosen from methanehydroxydiphosphonic acid and their salts and (B) at least one reducing agent for pertechnetates in a weight ratio of about 1:1 to 7:1 and prevents the accumulation of radioactivity in liver so that definite diagnosis can be assured.
    Type: Grant
    Filed: September 11, 1981
    Date of Patent: March 27, 1984
    Assignee: Nihon Medi-Physics Company, Ltd.
    Inventors: Miki Hayashi, Keietsu Takahashi, Masaaki Hazue