Patents by Inventor Misayo Suehiro

Misayo Suehiro 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).

  • Thermoplastic resin composition
    Patent number: 5191036
    Abstract: A thermoplastic resin composition comprising: (A) at least one resin selected from the group consisting of a polyester resin and a polycarbonate resin, and (B) an aromatic polyester-polyorganosiloxane block copolymer, a weight ratio of (A) to (B) (=A/B) being 10/90 to 90/10. With the addition of the copolymer (B), impact strength of the composition can be improved without impairing the properties of the resin (A).
    Type: Grant
    Filed: May 31, 1991
    Date of Patent: March 2, 1993
    Assignee: Mitsubishi Rayon Co., Ltd.
    Inventors: Naoki Yamamoto, Hiroshi Mori, Akira Nakata, Misayo Suehiro
  • Thermoplastic resin composition
    Patent number: 5084527
    Abstract: A thermoplastic resin composition comprising: (A) at least one resin selected from the group consisting of a polyester resin and a polycarbonate resin, and (B) an aromatic polyester-polyorganosiloxane block copolymer, a weight ratio of (A) and (B) (=A/B) being 10/90 to 90/10. With the addition of the copolymer (B), impact strength of the composition can be improved without impairing the properties of the resin (A).
    Type: Grant
    Filed: February 6, 1990
    Date of Patent: January 28, 1992
    Assignee: Mitsubishi Rayon Co., Ltd.
    Inventors: Naoki Yamamoto, Hiroshi Mori, Akira Nakata, Misayo Suehiro
  • Thermoplastic resin composition
    Patent number: 4898918
    Abstract: There is disclosed a thermoplastic resin composition comprising a polyether imide resin (A) and an aromatic polyester-polyorganosiloxane block copolymer (B), the weight ratio of A to B (A/B) being 1/9 to 9/1.
    Type: Grant
    Filed: September 30, 1988
    Date of Patent: February 6, 1990
    Assignee: Mitsubishi Rayon Co., Ltd.
    Inventors: Naoki Yamamoto, Hiroshi Mori, Akira Nakata, Misayo Suehiro
  • Aromatic polyester-polyorganosiloxane block copolymer
    Patent number: 4894427
    Abstract: An aromatic polyester-polyorganosiloxane block copolymer comprising a polyester segment consisting essentially of:(a) an aromatic polyester of an aromatic dicarboxylic acid, or mixtures thereof, and a dihydric phenol, a lower aliphatic diol, an alicyclic diol, or mixtures thereof,(b) an aromatic polyester of an aromatic hydroxycarboxylic acid or mixtures thereof, or(c) a copolymer of (a) and (b),and a polyorganosiloxane segment having a recurring unit represented by the formula: ##STR1## in which R.sub.1 represents a lower alkylene group or a lower alkylene ether group; R.sub.2 and R.sub.3 independently represent a methyl group or a phenyl group; and n represents an integer not smaller than 10, in which bonding between the polyester segment and the polyorganosiloxane segment is an ester linkage formed by a condensation reaction between the terminal carboxyl group of the polyester segment and the terminal hydroxyl group of the polyorganosiloxane segment.
    Type: Grant
    Filed: September 29, 1988
    Date of Patent: January 16, 1990
    Assignee: Mitsubishi Rayon Co., Ltd.
    Inventors: Naoki Yamamoto, Hiroshi Mori, Akira Nakata, Misayo Suehiro