Patents Examined by Joseph Morray
  • Production process for aromatic compounds
    Patent number: 5760280
    Abstract: A process for producing aromatic compounds comprises the step of carrying out a reaction between an aromatic carboxylic acid and a polyfluorobenzonitrile, thus forming an aromatic nitrile and a polyfluorobenzene. This process can produce the aromatic compounds with few problems with respect to worker safety and at a low cost when compared with conventional processes, and can convert the starting materials for the reaction into useful substances with ease and little waste and in a high yield.
    Type: Grant
    Filed: May 16, 1997
    Date of Patent: June 2, 1998
    Assignee: Nippon Shokubai Co., Ltd.
    Inventors: Isamu Maeda, Hiroshi Sugizawa, Noboru Saito