Patents by Inventor Sharad S. Magar

Sharad S. Magar 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 substituted guanidines
    Patent number: 5489709
    Abstract: A process for the preparation of a substituted guanidine by reacting a substituted cyanamide with ammonia or a substituted amine in the presence of a Lewis acid catalyst. Also disclosed is a process for the preparation of a tri-substituted guanidine by reacting a mono-substituted cyanamide with a di-substituted amine.
    Type: Grant
    Filed: February 8, 1994
    Date of Patent: February 6, 1996
    Assignees: Cambridge Neuroscience, Inc., University of Toledo
    Inventors: Graham J. Durant, Sharad S. Magar
  • Preparation of substituted guanidines
    Patent number: 5298657
    Abstract: A process for the preparation of a substituted guanidine by reacting a substituted cyanamide with ammonia or a substituted amine in the presence of a Lewis acid catalyst. Also disclosed is a process for the preparation of a tri-substituted guanidine by reacting a mono-substituted cyanamide with a di-substituted amine.
    Type: Grant
    Filed: March 20, 1992
    Date of Patent: March 29, 1994
    Assignee: Cambridge Neuroscience Inc.
    Inventors: Graham J. Durant, Sharad S. Magar