Patents by Inventor Francis J. Mettille

Francis J. Mettille 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 making 3,5-difluoroaniline from 1,3,5-trichlorobenzene
    Patent number: 6127577
    Abstract: A method for manufacturing 3,5-difluoroaniline by fluorinating 1,3,5-trichlorobenzene and then aminating the intermediate fluorinated benzene with aqueous or anhydrous ammonia to achieve the product in yields of greater than 80%.
    Type: Grant
    Filed: February 8, 2000
    Date of Patent: October 3, 2000
    Assignee: BASF Corporation
    Inventors: Lee I. Cherney, Francis J. Mettille
  • Process for the preparation of cyclopropylcyanide
    Patent number: 4205009
    Abstract: An improved process for the preparation of cyclopropylcyanide is disclosed. In this process, a halobutyronitrile is reacted with alkali metal hydroxide in the presence of an inert organic solvent and a catalytic amount of an anionic surfactant.
    Type: Grant
    Filed: February 7, 1979
    Date of Patent: May 27, 1980
    Assignee: Velsicol Chemical Corporation
    Inventors: Michael J. Onore, Francis J. Mettille