Patents by Inventor Tsumoru Morimoto

Tsumoru Morimoto 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 preparing lactamide
    Patent number: 5756842
    Abstract: There is herein disclosed a process for preparing a lactamide by hydrating lactonitrile in the presence of a catalyst mainly comprising a manganese oxide, and a nitrogen-containing compound such as ammonia or diethylamine. According to this process, the lactamide can be obtained from lactonitrile in a high yield, while the high activity of the catalyst is maintained for a long period of time.
    Type: Grant
    Filed: October 11, 1996
    Date of Patent: May 26, 1998
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Fumio Tanaka, Tsumoru Morimoto, Takako Uchiyama, Takafumi Abe