Patents by Inventor Atique A. Usmani

Atique A. Usmani 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).

  • Process of making optionally substituted alkyl p-dimethylaminobenzoates
    Patent number: 5081278
    Abstract: An improved process for the production of alkyl or substituted alkyl p-dimethylamino benzoates by the reductive alkylation of alkyl or substituted alkyl p-aminobenzoates using hydrogen in the presence of raney nickel.
    Type: Grant
    Filed: July 16, 1990
    Date of Patent: January 14, 1992
    Assignee: Lambson Limited
    Inventor: Atique A. Usmani