Patents by Inventor Nobuhiro SHIGETOMI

Nobuhiro SHIGETOMI 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 producing pigment-containing curable resin solution composition, pigment dispersed liquid, and pigment-containing curable resin solution composition
    Patent number: 8735467
    Abstract: A process for producing a pigment-containing curable resin solution composition which comprises a pigment and a modified polysiloxane is disclosed. The process comprises the steps of: (a) preparing a pigment-dispersed liquid, wherein a pigment is dispersed in an organic solvent in the presence of a first modified polysiloxane; and (b) mixing the pigment-dispersed liquid with a resin solution which comprises at least a second modified polysiloxane. This process provides a pigment-containing curable resin solution composition with excellent dispersion stability of pigment.
    Type: Grant
    Filed: June 26, 2009
    Date of Patent: May 27, 2014
    Assignee: Ube Industries, Ltd.
    Inventors: Tooru Murakami, Koji Hayashi, Seiichirou Takabayashi, Nobuhiro Shigetomi
  • PROCESS FOR PRODUCING PIGMENT-CONTAINING CURABLE RESIN SOLUTION COMPOSITION, PIGMENT DISPERSED LIQUID, AND PIGMENT-CONTAINING CURABLE RESIN SOLUTION COMPOSITION
    Publication number: 20090326106
    Abstract: A process for producing a pigment-containing curable resin solution composition which comprises a pigment and a modified polysiloxane is disclosed. The process comprises the steps of: (a) preparing a pigment-dispersed liquid, wherein a pigment is dispersed in an organic solvent in the presence of a first modified polysiloxane; and (b) mixing the pigment-dispersed liquid with a resin solution which comprises at least a second modified polysiloxane. This process provides a pigment-containing curable resin solution composition with excellent dispersion stability of pigment.
    Type: Application
    Filed: June 26, 2009
    Publication date: December 31, 2009
    Applicant: UBE INDUSTRIES, LTD
    Inventors: Tooru MURAKAMI, Koji HAYASHI, Seiichirou TAKABAYASHI, Nobuhiro SHIGETOMI