Patents by Inventor Teruo Aratake

Teruo Aratake 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).

  • Patent number: 5237092
    Abstract: A process for efficiently producing aryl formate and aromatic carboxylic acid from aldehyde, which comprises oxidizing an aromatic aldehyde with an oxygen-containing gas in the presence of a volatile solvent up to a reaction ratio of 40 to 70 mol % to convert the aromatic aldehyde to a peracid, adding a stabilizer, and allowing the remaining aromatic aldehyde and the aromatic peracid to react while the volatile solvent is distilled off.
    Type: Grant
    Filed: June 16, 1992
    Date of Patent: August 17, 1993
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Toru Tanaka, Kazuo Tanaka, Teruo Aratake