Patents by Inventor Kamel Nasar

Kamel Nasar 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 for preparing quaternary acid and ammonium salts
    Patent number: 7714163
    Abstract: A process for preparing a quaternary ammonium salt of a fibric acid, represented by the following reaction scheme: is carried out in a single operation starting from a phenol of formula (I), an ?-halogenated ester of formula (II) and a quaternary ammonium hydroxide of formula (III). This process makes it possible economically to prepare a choline salt of fenofibric acid in high purity that can be used directly as the active substance in a pharmaceutical composition intended for human consumption.
    Type: Grant
    Filed: April 28, 2008
    Date of Patent: May 11, 2010
    Assignee: Fournier Laboratories Ireland Ltd.
    Inventors: Philippe Dellis, Kamel Nasar
  • Process for Preparing Quaternary Acid and Ammonium Salts
    Publication number: 20080275270
    Abstract: A process for preparing a quaternary ammonium salt of a fibric acid, represented by the following reaction scheme: is carried out in a single operation starting from a phenol of formula (I), an ?-halogenated ester of formula (II) and a quaternary ammonium hydroxide of formula (III). This process makes it possible economically to prepare a choline salt of fenofibric acid in high purity that can be used directly as the active substance in a pharmaceutical composition intended for human consumption.
    Type: Application
    Filed: April 28, 2008
    Publication date: November 6, 2008
    Applicant: Fournier Laboratories Ireland Ltd
    Inventors: Philippe Dellis, Kamel Nasar