Patents by Inventor Nagayasu Sato

Nagayasu Sato 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).

  • Process for production of stabilized powdery secretin preparation by lyophilization
    Patent number: 3940480
    Abstract: Stabilized powdery secretin preparation wherein secretin is carried on an adequate amount of alanine serving as excipient and weighing material, which is produced by lyophilization of an aqueous solution of secretin in the presence of alanine, the product being useful for therapeutic treatment of diseases and for diagnosis of disorders in digestive tracts such as pancreas and gallbladder.
    Type: Grant
    Filed: April 26, 1973
    Date of Patent: February 24, 1976
    Assignee: Eisai Co., Ltd.
    Inventors: Eiichi Suenaga, Shinro Tachibana, Nagayasu Sato