Patents by Inventor Ahmad Yassine

Ahmad Yassine 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).

  • Microcapsules for the controlled release of acetylsalicylic acid in the gastrointestinal environment
    Patent number: 5846566
    Abstract: The present invention relates to controlled-release microcapsules of acetylsalicylic acid which comprise particles of acetylsalicylic acid with a size of between 100 and 1000 .mu.m, coated with a coating material consisting of a mixture of a cellulosic film-forming polymeric derivative, an antiadherent, a plasticizer, a lubricant and a vinylic film-forming polymeric derivative. The invention further relates to a process for the preparation of said microcapsules.
    Type: Grant
    Filed: November 19, 1996
    Date of Patent: December 8, 1998
    Assignee: Flamel Technologies
    Inventors: Olga Burguiere, Ahmad Yassine, Jean-Philippe Selles
  • Microcapsules for the controlled release of acetylsalicyclic acid in the gastrointestinal environment
    Patent number: 5603957
    Abstract: The present invention relates to controlled-release microcapsules of acetylsalicylic acid which comprise particles of acetylsalicylic acid with a size of between 100 and 1000 .mu.m, coated with a coating material consisting of a mixture of a cellulosic film-forming polymeric derivative, an antiadherent, a plasticizer, a lubricant and a vinylic film-forming polymeric derivative. The invention further relates to a process for the preparation of said microcapsules.
    Type: Grant
    Filed: April 13, 1994
    Date of Patent: February 18, 1997
    Assignee: Flamel Technologies
    Inventors: Olga Burguiere, Ahmad Yassine, Jean-Philippe Selles