Patents by Inventor Kentaro Noguchi

Kentaro Noguchi 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).

  • Processes for manufacturing thermoplastic resin compositions
    Patent number: 5281379
    Abstract: A process for manufacturing a thermoplastic resin composition by melt-kneading a thermoplastic resin and fine particles or an additive, includes: introducing gaseous and/or liquid fluid containing fine particles of at most 10 .mu.m particle diameter or an additive to an unmelted granular or molten thermoplastic resin moving bed; adhering or depositing the fine particles or additive onto said moving bed, while the fluid in the gaseous state is being discharged; and then successively melt-kneading a mixture of the granular resin with the fine particles or additive. This process can be combined with a subsequent shaping step continuously that follows. The process of the invention saves energy, raw materials and labor consumptions and yields shaped articles of high quality and uniformity.
    Type: Grant
    Filed: April 2, 1990
    Date of Patent: January 25, 1994
    Assignee: Kanebo, Ltd.
    Inventors: Kentaro Noguchi, Junzo Shimokawa, Koji Kudama, Toshio Yamauchi, Kazuto Kiyohara, Toshiyuki Hagiwara
  • Process for producing polyester resin composition
    Patent number: 4898897
    Abstract: A process for producing a polyester resin composition containing at least 10 wt % of a white inorganic pigment dispersed in a polyester resin, which comprises kneading the polyester resin with the white inorganic pigment and thereafter subjecting the blend to a polycondensation reaction at a temperature ranging from the melting point of the polyester up to 300.degree. C. and at a reduced pressure of not higher than 5 Torr, is disclosed.
    Type: Grant
    Filed: April 21, 1988
    Date of Patent: February 6, 1990
    Assignees: Konica Corporation, Kanebo Ltd.
    Inventors: Kazuto Kiyohara, Toshiaki Yamazaki, Ichiya Harada, Takanori Nakadate, Kentaro Noguchi, Michiteru Nakano, Shigeru Sakae, Kazuhiro Okuma
  • Process for producing polyester resin composition
    Patent number: 4877819
    Abstract: A process for producing a titanium dioxide containing polyester resin composition from which a white film useful as a reflective photographic support can be prepared is disclosed.Said process is performed by first supplying a polyester resin and titanium dioxide into a continuous kneading extruder, kneading them in molten state, and supplying an additional charge of the polyester resin to give a desired concentration of the titanium dioxide, wherein the first supplied polyester resin has an intrinsic viscosity of at least 0.40, said titanium dioxide having an average particle size of 0.1-0.5 .mu.m and a water content of no more than 0.5% and having been surface-treated with an aluminum compound and/or a silicon compound, and the concentration of titanium dioxide being in the range of 20-70 wt % when kneaded with the polyester resin in molten state.
    Type: Grant
    Filed: April 21, 1988
    Date of Patent: October 31, 1989
    Assignees: Konica Corporation, Kanebo Ltd.
    Inventors: Kazuto Kiyohara, Toshiyuki Hagiwara, Takanori Nakadate, Ichiya Harada, Kentaro Noguchi, Shigeru Sakae, Kazuhiro Okuma
  • Method of producing polyesters terephthalic acid and ethylene glycol
    Patent number: 4001187
    Abstract: Polyethylene terephthalates having high quality, particularly an improved color tone are produced by a direct esterification from particularly defined terephthalic acid and ethylene glycol.
    Type: Grant
    Filed: July 11, 1974
    Date of Patent: January 4, 1977
    Assignee: Kanebo, Ltd.
    Inventors: Yoshio Itabashi, Kentaro Noguchi, Masao Seki