Patents by Inventor Tosio Itou

Tosio Itou 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 and process for preparing the same
    Patent number: 5496885
    Abstract: There are disclosed a thermoplastic resin composition which comprises(a) 4 to 95% by weight of a polyphenylene ether,(b) 95 to 4% by weight of a saturated polyester,(c) 0.5 to 40% by weight of an impact modifier and(d) 0.01 to 50% by weight of a compatibilizer and(e) 0.1 to 3 parts by weight of a polycarbonate based on 100 parts by weight of the above (a) to (d) in total; and a process for preparing a thermoplastic resin composition which comprises the steps of melting and kneading(a) 50 to 95% by weight of a polyphenylene ether,(e) 0.
    Type: Grant
    Filed: May 27, 1993
    Date of Patent: March 5, 1996
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Kiyoji Takagi, Koji Nishida, Tosio Itou
  • Process for preparing thermoplastic resin composition
    Patent number: 5310776
    Abstract: There is disclosed a process for preparing a thermoplastic resin composition which comprises melting and kneading(A) 100 parts by weight of a resin comprising 100% by weight in total of:(a) 5 to 95% by weight of a non-crystalline thermoplastic resin,(b) 95 to 5% by weight of a crystalline thermoplastic resin,(c) 0 to 50% by weight of a compatibilizer and(d) 0 to 40% by weight of an impact modifierand(B) 1.0 part by weight or more of an organic solvent in a kneader equipped with vent ports each having a vacuum device while maintaining each vent port at reduced pressure to make an organic solvent content in a final composition less than 1.0% by weight.
    Type: Grant
    Filed: April 30, 1993
    Date of Patent: May 10, 1994
    Assignee: Mitsubishi Petrochemical Co., Ltd.
    Inventors: Kiyoji Takagi, Yoshihiro Kurasawa, Koji Nishida, Shigekazu Ohi, Kenji Mori, Tsukasa Sato, Tosio Itou
  • Polyphenylene ether resin composition
    Patent number: 4879360
    Abstract: A polyphenylene ether resin composition comprising (a) a polyphenylene ether resin, (b) a polyester resin, and (c) from 0.1 to 10 parts by weight, per 100 parts by weight of the total of the components (a) and (b), an epoxidized liquid polybutadiene having an oxirane oxygen content of at least 0.07% by weight. The composition is excellent in solvent resistance and mechanical strength.
    Type: Grant
    Filed: March 11, 1988
    Date of Patent: November 7, 1989
    Assignee: Mitsubishi Petrochemical Co., Ltd.
    Inventors: Yoshinobu Kobayashi, Tosio Itou, Takayuki Inoue