Patents by Inventor Shigeru Tsuruya

Shigeru Tsuruya 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 of manufacturing phenol by direct oxidation of benzene
    Patent number: 6646167
    Abstract: Benzene, ascorbic acid acting as a reducing agent, and a vanadium-supported alumina catalyst are placed in an aqueous solution of acetic acid used as a solvent, and the reaction is carried out under an oxygen gas atmosphere having a pressure of at least 0.3 MPa so as to directly oxidize benzene and, thus, to obtain phenol at a high yield of at least 8%.
    Type: Grant
    Filed: September 25, 2001
    Date of Patent: November 11, 2003
    Assignee: President of Kobe University
    Inventor: Shigeru Tsuruya
  • Method of manufacturing phenol by direct oxidation of benzene
    Patent number: 6355847
    Abstract: Benzene, ascorbic acid acting as a reducing agent, and a vanadium-supported alumina catalyst are placed in an aqueous solution of acetic acid used as a solvent, and the reaction is carried out under an oxygen gas atmosphere having a pressure of at least 0.3 MPa so as to directly oxidize benzene and, thus, to obtain phenol at a high yield of at least 8%.
    Type: Grant
    Filed: July 29, 1999
    Date of Patent: March 12, 2002
    Assignee: President of Kobe University
    Inventor: Shigeru Tsuruya
  • Method of manufacturing phenol by direct oxidation of benzene
    Publication number: 20020016515
    Abstract: Benzene, ascorbic acid acting as a reducing agent, and a vanadium-supported alumina catalyst are placed in an aqueous solution of acetic acid used as a solvent, and the reaction is carried out under an oxygen gas atmosphere having a pressure of at least 0.3 MPa so as to directly oxidize benzene and, thus, to obtain phenol at a high yield of at least 8%.
    Type: Application
    Filed: September 25, 2001
    Publication date: February 7, 2002
    Applicant: PRESIDENT OF KOBE UNIVERSITY
    Inventor: Shigeru Tsuruya