Patents by Inventor Stephane Buczkowski

Stephane Buczkowski 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).

  • Substituted amylose as a matrix for sustained drug release
    Patent number: 5879707
    Abstract: A pharmaceutical sustained release tablet for oral administration is made of a compressed blend of at least two dry powders including a powder of a pharmaceutical drug and a powder of a sustained release matrix for the drug. The sustained release matrix is made of substituted amylose prepared by reacting, in a basic medium, amylose with an organic substituent having a reactive function that reacts with the hydroxy groups of the amylose molecule. This substituent is preferably an epoxy or halogen alkane or alcohol with such a matrix controlled and sustained release of a drug are achieved with a remarkable close-to-linear profile and a release time of from 9 to 20 hours.
    Type: Grant
    Filed: October 30, 1996
    Date of Patent: March 9, 1999
    Assignee: Universite De Montreal
    Inventors: Louis Cartilier, Iskandar Moussa, Chafic Chebli, Stephane Buczkowski