Patents by Inventor Mitsuru Atsuta

Mitsuru Atsuta 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).

  • Curable compositions for dental drugs having sustained release property
    Patent number: 5006340
    Abstract: A crude drug ingredient having bactericidal activity incorporated into a curable composition comprising a (meth)acrylate type monomer, a polymerization initiator and if necessary a filler to formulate the ingredient into the drug having sustained release property. The curable composition containing the crude drug ingredient is applied to a defective part of a tooth or an artificial gum for preventing dental diseases such as carious tooth, pyorrhea alveolaris, and the like.
    Type: Grant
    Filed: February 12, 1990
    Date of Patent: April 9, 1991
    Assignee: Mitsui Petrochemical Industries, Ltd.
    Inventors: Mitsuru Atsuta, Takeshi Sakashita, Ryoichi Miyamoto, Yukinori Tanimura, Saburo Fuji
  • Curable compositions for dental drugs having sustained release property
    Patent number: 4966766
    Abstract: A crude drug ingredient having bactericidal activity incorporated into a curable composition comprising a (meth)acrylate type monomer, a polymerization initiator and if necessary a filler to formulate the ingredient into the drug having sustained release property. The curable composition containing the crude drug ingredient is applied to a defective part of a tooth or an artificial gum for preventing dental diseases such as carious tooth, pyorrhea alveolaris, and the like.
    Type: Grant
    Filed: February 12, 1990
    Date of Patent: October 30, 1990
    Assignee: Mitsui Petrochemical Industries, Ltd.
    Inventors: Mitsuru Atsuta, Takeshi Sakashita, Ryoichi Miyamoto, Yukinori Tanimura, Saburo Fuji
  • Curable compositions for dental drugs having sustained release property
    Patent number: 4925660
    Abstract: A crude drug ingredient having bactericidal activity incorporated into a curable composition comprising a (meth)acrylate type monomer, a polymerization initiator and if necessary a filler to formulate the ingredient into the drug having sustained release property. The curable composition containing the crude drug ingredient is applied to a defective part of a tooth or an artificial gum for preventing dental diseases such as carious tooth, pyorrhea alveolaris, and the like.
    Type: Grant
    Filed: April 7, 1988
    Date of Patent: May 15, 1990
    Assignee: Mitsui Petrochemical Industries, Ltd.
    Inventors: Mitsuru Atsuta, Takeshi Sakashita, Ryoichi Miyamoto, Yukinori Tanimura, Saburo Fuji