Patents by Inventor Iwoa Nakatsuka

Iwoa Nakatsuka 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).

  • Radioactive and non-radioactive iodobutyrophenone derivative
    Patent number: 4739060
    Abstract: A radioactive or non-radioactive 2-iodobutyrophenone derivative the formula: ##STR1## wherein X is a radioactive or non-radioactive iodine atom. The radioactive compound has a high affinity for dopamine receptors and is very useful as a radioactive diagnostic agent and as a radiopharmaceutical, and the non-radioactive compound also as a high affinity for dopamine receptors and is very useful as a neuroleptic, a sedative, an anodyne, a tranquilizer, etc.
    Type: Grant
    Filed: August 14, 1986
    Date of Patent: April 19, 1988
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hideo Saji, Iwoa Nakatsuka, Masami Okuno, Akira Yokoyama