Patents by Inventor Alfred V. Lovell

Alfred V. Lovell 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).

  • Preparation of biphenyl compounds
    Patent number: 3992459
    Abstract: Biaryl coupling, particularly to form 2,4-difluorobiphenyl, is accomplished by diazotizing an aniline and coupling the benzenediazonium salt with a second aromatic component in the presence of a strong acid, an inert finely divided solid and copper powder or a copper salt.
    Type: Grant
    Filed: May 1, 1975
    Date of Patent: November 16, 1976
    Assignee: Merck & Co., Inc.
    Inventors: Torleif Utne, Ronald B. Jobson, Alfred V. Lovell