Patents by Inventor Itaru Kimura

Itaru Kimura 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).

  • High functional regenerated cellulose composition
    Patent number: 4981515
    Abstract: A regenerated cellulose composition having excellent adsorptivity and flame resistance prepared by a process in which viscose, a solvent-adsorbing active carbon in the form of an aqueous dispersion and a specific phosphorus flame retarder are extruded into a coagulation bath to regenerate cellulose which is dried at a temperature not lower than the boiling point of the solvent, whereby the adsorptivity of active carbon is maintained at a high level while a flame resistance is imparted to cellulose.
    Type: Grant
    Filed: September 12, 1989
    Date of Patent: January 1, 1991
    Assignee: Shinkohjinkasei Co., Ltd.
    Inventors: Keijun Hiraoka, Sunao Morimoto, Itaru Kimura