Patents by Inventor Noboru Tanimura

Noboru Tanimura 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 polyimines
    Patent number: 4172937
    Abstract: A process for preparing a polyimine comprising reacting at least one dialdehyde with at least one diamine in a reaction medium of 100 to about 40 percent by volume of a phenolic compound of the formula, ##STR1## wherein X represents a hydrogen atom or a methyl group, and 0 to about 60 percent by volume of a liquid which is miscible with the phenolic compound.
    Type: Grant
    Filed: June 23, 1978
    Date of Patent: October 30, 1979
    Assignee: Asahi Kasei Kogyo Kabushiki Kaisha
    Inventors: Kazumi Suematu, Noboru Tanimura, Tadaaki Ohoka