Patents by Inventor Satoru Fujitus

Satoru Fujitus 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).

  • Process for the production of a diester of oxalic acid
    Patent number: 4507494
    Abstract: In a process for preparing a diester of oxalic acid by the vapor phase catalytic reaction of carbon monoxide with an ester of nitrous acid in the presence of a catalyst composed of a solid carrier and a catalyst component supported on the carrier, the improvement wherein said catalyst component is composed of(a) a platinum-group metal or a salt thereof, and(b) at least one member selected from the group consisting of Ti and an oxide thereof.
    Type: Grant
    Filed: January 24, 1983
    Date of Patent: March 26, 1985
    Assignee: Ube Industries, Ltd.
    Inventors: Haruhiko Miyazaki, Yasushi Shiomi, Satoru Fujitus, Katsuro Masunaga, Hiroshi Yanagisawa
  • Process for preparing oxalic acid diesters using platinum group metals supported on alumina
    Patent number: 4410722
    Abstract: In a process for preparing a diester of oxalic acid by the vapor phase catalytic reaction of carbon monoxide with an ester of nitrous acid in the presence of a catalyst composed of a solid carrier and a platinum-group metal or a salt thereof supported on the carrier, the improvement wherein said solid carrier is alumina having a specific surface area of not more than 90 m.sup.2 /g.
    Type: Grant
    Filed: January 11, 1982
    Date of Patent: October 18, 1983
    Assignee: Ube Industries, Ltd.
    Inventors: Haruhiko Miyazaki, Yasushi Shiomi, Satoru Fujitus, Katsuro Masunaga, Hiroshi Yanagisawa
  • Process for the preparation of oxalic acid diesters
    Patent number: 4384133
    Abstract: In a process for preparing a diester of oxalic acid by the vapor phase catalytic reaction of carbon monoxide with an ester of nitrous acid in the presence of a catalyst composed of a solid carrier and a catalyst component supported on the carrier, the improvement wherein said catalyst component is composed of(a) a platinum-group metal or a salt thereof, and(b) at least one metal selected from the group consisting of Mo and Ni, or a salt thereof.
    Type: Grant
    Filed: January 18, 1982
    Date of Patent: May 17, 1983
    Assignee: UBE Industries, Ltd.
    Inventors: Haruhiko Miyazaki, Yasushi Shiomi, Satoru Fujitus, Katsuro Masunaga, Hiroshi Yanagisawa