Patents by Inventor Mahfoud Boustta

Mahfoud Boustta 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).

  • Association of poly(N-acryloylglycinamide) with at least one active principle
    Patent number: 9687552
    Abstract: The present invention relates to an association of poly (N-acryloyl glycinamide) with at least one active principle and/or at least one product which is visible in medical imaging, in a physiologically acceptable aqueous medium.
    Type: Grant
    Filed: February 26, 2013
    Date of Patent: June 27, 2017
    Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, INSTITUT REGIONAL DU CANCER DE MONTPELLIER, UNIVERSITE DE MONTPELLIER 1
    Inventors: Mahfoud Boustta, Pierre-Emmanuel Colombo, Michel Vert
  • ASSOCIATION OF POLY(N-ACRYLOYLGLYCINAMIDE) WITH AT LEAST ONE ACTIVE PRINCIPLE
    Publication number: 20150122695
    Abstract: The present invention relates to an association of poly (N-acryloyl glycinamide) with at least one active principle and/or at least one product which is visible in medical imaging, in a physiologically acceptable aqueous medium.
    Type: Application
    Filed: February 26, 2013
    Publication date: May 7, 2015
    Inventors: Mahfoud Boustta, Pierre-Emmanuel Colombo, Michel Vert
  • System for controlled release of an active principle and method for preparation
    Patent number: 8709481
    Abstract: A system for controlled release of an active principle, includes at least (a) a degradable polymer matrix which produces acid compounds and (b) at least one acid-sensitive complex of an active principle having at least one electrostatic charge and a complexing polyelectrolyte partner of opposite charge which complexes with the active principle. A method for preparation of such a system is described. The release of the active principle (7P) is prolonged over 18 days (ternary system PMLA/7P/PLAGA) in comparison to binary systems (7P/PLAGA) and (PMLA/7P).
    Type: Grant
    Filed: July 18, 2008
    Date of Patent: April 29, 2014
    Assignees: Centre National de la Recherche Scientifique, Univeriste de Montpellier 1
    Inventors: Michel Vert, Laurent Leclercq, Mahfoud Boustta
  • SYSTEM FOR CONTROLLED RELEASE OF AN ACTIVE PRINCIPLE AND METHOD FOR PREPARATION
    Publication number: 20100260848
    Abstract: A system for controlled release of an active principle, includes at least (a) a degradable polymer matrix which produces acid compounds and (b) at least one acid-sensitive complex of an active principle having at least one electrostatic charge and a complexing polyelectrolyte partner of opposite charge which complexes with the active principle. A method for preparation of such a system is described. The release of the active principle (7P) is prolonged over 18 days (ternary system PMLA/7P/PLAGA) in comparison to binary systems (7P/PLAGA) and (PMLA/7P).
    Type: Application
    Filed: July 18, 2008
    Publication date: October 14, 2010
    Applicants: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE MONTPELLIER 1
    Inventors: Michel Vert, Laurent Leclercq, Mahfoud Boustta
  • Amphiphilic heparin derivative formed by coupling a heparin with a bile acid
    Publication number: 20070141158
    Abstract: The invention relates to an amphiphilic heparin derivative formed from at least one type of partially N-desulfated heparin and at least one type of bile acid comprising one or several bile acid molecules grafted on a heparin molecule by an amide bond formed between the terminal carboxylic acid function of a bile acid and a primary heparin amine function which is initially present in the heparin or resulting from the N-desulfation. The inventive derivative is characterized in that the number of grafted bile acid molecules per 100 heparin disaccharide units ranges from 15 to 80 approximately.
    Type: Application
    Filed: December 17, 2004
    Publication date: June 21, 2007
    Applicant: ETHYPHARM
    Inventors: Didier Hoarau, Mahfoud Boustta, Christian Braud, Michel Vert
  • Monomers with dilactone cycle, and corresponding polymers
    Patent number: 6156429
    Abstract: The invention concerns monomers with dilactonic cycle and the corresponding polymers, their preparation, and materials containing these polymers. The monomers are of formula (IIIa) ##STR1## in which R is the residue of an acid derived from an ose such as glyconic, gylcuronic or glycaric acid and X represents in particular a methylene or ethylene group optionally substituted by at least an alkyl, allyl, aryl or aralkyl. The corresponding polymers are in the form of degradable non-toxic products and are used for example for packaging (films) or in medicine (implants).
    Type: Grant
    Filed: March 21, 2000
    Date of Patent: December 5, 2000
    Assignee: Centre National de la Recherche Scientifique (CNRS)
    Inventors: Katarina Marcincinova, Mahfoud Boustta, Jean Coudane, Michel Vert
  • Polymers of citric acid and diamines, a process for their preparation and their uses, in particular as carriers of drugs
    Patent number: 5026821
    Abstract: The present invention provides polyamides produced by the condensation of diamines with citric acid through the carboxyl groups attached to the carbon atoms in positions 1 and 3.These polyamides can be used for the preparation of controlled-release forms of drugs.
    Type: Grant
    Filed: March 2, 1989
    Date of Patent: June 25, 1991
    Assignee: Sanofi
    Inventors: Mahfoud Boustta, Jovanka Huquet, Michel Vert