Patents by Inventor Katsu Iida

Katsu Iida 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).

  • Method for producing carbon black
    Patent number: 6548036
    Abstract: A process for producing carbon blacks having lower surface area and structure wherein steam is introduced into the combustion gas stream at a point located a distance “L” from the point of introduction of feedstock into the combustion gas stream such that the ratio L/D ranges from 0 to less than 1.0, where “D” is the diameter of the zone of the reactor at the point of introduction of feedstock.
    Type: Grant
    Filed: January 29, 1998
    Date of Patent: April 15, 2003
    Assignee: Cabot Corporation
    Inventors: Katsu Iida, Mitsuyuki Sasaki, Makoto Takahashi, Ryoichi Adachi
  • METHOD FOR PRODUCING CARBON BLACK
    Publication number: 20010055556
    Abstract: A process for producing carbon blacks having lower surface area and structure wherein steam is introduced into the combustion gas stream at a point located a distance “L” from the point of introduction of feedstock into the combustion gas stream such that the ratio L/D ranges from 0 to less than 1.0, where “D” is the diameter of the zone of the reactor at the point of introduction of feedstock.
    Type: Application
    Filed: January 29, 1998
    Publication date: December 27, 2001
    Inventors: KATSU IIDA, MITSUYUKI SASAKI, MAKOTO TAKAHASHI, RYOICHI ADACHI