Patents by Inventor Makoto Hosotani

Makoto Hosotani 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: 5075107
    Abstract: A dental composition comprises a powdery component and a liquid component, which are mixed together to use it as a tissue condition, (a) the powdery component is at least one of a copolymer of butyl methacrylate with ethyl methacrylate or a mixture of poly butyl methacrylate with poly ethyl methacrylate, and (b) the liquid component is at least one of butyl phthalyl butyl glycolate (BPBG), dibutyl phthalate (DBP), benzylbutyl phthalate, benzyl benzoate, ethyl benzoate, butyl benzoate and amyl benzoate.
    Type: Grant
    Filed: June 6, 1990
    Date of Patent: December 24, 1991
    Assignee: G-C Dental Industrial Corp.
    Inventors: Naoyuki Katakura, Hisao Honma, Makoto Hosotani, Kazunori Iijima
  • Patent number: 4659786
    Abstract: Polyester-polysiloxane block copolymers for dental uses are disclosed as low modulus thermoplastic elastomers. The copolymers comprise polycaprolactone residues and poly(dimethylsiloxane) .alpha.,.omega.-diol residues which are linked by ether bonds. The compounds exhibit the property of plasticity by heating and the property of original rubber elasticity by cooling again to room temperature.
    Type: Grant
    Filed: June 3, 1985
    Date of Patent: April 21, 1987
    Assignee: Tohoku University
    Inventors: Michio Kawakami, Yoshima Araki, Kenkichi Murakami, Hidetoshi Oikawa, Michio Nakanishi, Makoto Hosotani