Patents by Inventor Masatami Matsumoto

Masatami Matsumoto 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).

  • Patent number: 6808865
    Abstract: Present invention provides an aqueous emulsion type photosensitive resin composition which forms a cured film significantly superior in water and solvent resistances in comparison with the conventional aqueous emulsion type photosensitive resin compositions. This photosensitive resin composition contains (A) an emulsion of a photosensitive water-insoluble polymer, the emulsion being obtained by reacting (i) an aqueous polymer emulsion whose main ingredient is a water-insoluble polymer and which contains a polymer having a hydroxyl group with (ii) an N-alkylol(meth)acrylamide, (B) a compound having a photoreactive ethylenically unsaturated group, and (C) a photopolymerization initiator.
    Type: Grant
    Filed: November 19, 2001
    Date of Patent: October 26, 2004
    Assignee: Goo Chemical Co., Ltd.
    Inventors: Toshio Morigaki, Masatami Matsumoto