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Quintanar Guerrero David, Allemann Eric, Gurny Robert, Fessi Hatem, Doelker Eric: Method for producing aqueous colloidal dispersions of nanoparticles. Universite de Geneve Laboratoire de Pharmacie Galenique, Quintanar Guerrero David, Allemann Eric, Gurny Robert, Fessi Hatem, Doelker Eric, KÜGELE Bernhard, January 11, 2001: WO/2001/002087

The method for producing aqueous colloidal dispersions of nanoparticles comprises a first step which consists to emulsify a partially water-soluble organic solvent, containing a water-insoluble polymer in a weight/volume percentage at which nanoparticles are formed in a second step, in an aqueous so ...


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Quintanar David, Fessi Hatem, Doelker Eric, Allemann Eric: (Fr) Procede de preparation de nanocapsules de type vesiculaire, (En) Method for preparing vesicular nanocapsules. Universite Claude Bernard Lyon I, Quintanar David, Fessi Hatem, Doelker Eric, Allemann Eric, sROPITAL BONVARLET Claude, February 4, 1999: WO/1999/004766

(EN) The invention concerns the preparation of nanoparticles for encapsulating active principles, and more precisely a method for obtaining vesicular nanoparticles dispersible in aqueous phase in colloidal form, which are non-toxic, biologically compatible, stable in colloidal suspension, protecting ...


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Asius Jérôme, Fessi Hatem, Gouchet Franck, Laglenne Bénédicte, Laugier Laglenne Elisabeth: (Fr) Implant injectable par voie sous-cutanee ou intradermique, (En) Implant for subcutaneous or intradermal injection. Biopharmex Holding, Asius Jérôme, Fessi Hatem, Gouchet Franck, Laglenne Bénédicte, Laugier Laglenne Elisabeth, ROUSSET Jean Claude, December 17, 1998: WO/1998/056431

(EN) The invention concerns an injection implant for filling up wrinkles, thin lines, skin cracks and scars, for reparative or plastic surgery, aesthetic dermatology, and for filling up gums in dental treatment. The invention concerns the use of biologically absorbable polymer microspheres or microp ...


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Montasser Imed, Fessi Hatem, Briancon Stéphanie, Lieto Joseph: (Fr) Procede de preparation de particules colloidales sous forme de nanocapsules, (En) Method for preparing colloidal particles in the form of nanocapsules. Universite Claude Bernard Lyon I, Montasser Imed, Fessi Hatem, Briancon Stéphanie, Lieto Joseph, THIBAULT Jean Marc, September 20, 2001: WO/2001/068235

(EN) The invention concerns a method for preparing dispersible colloidal systems, in the form of nanocapsules whereof the shell wall consists of a polymer obtained by polycondensation of two monomers $g(a) and $g(b) and whereof the core consists of a substance B, characterised in that it consists in ...


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Gouchet Franck Arno, Fessi Hatem, Puisieux Francis: (Fr) Comprimes a liberation controlee de 4-asa, (En) Tablets for the controlled release of 4-asa. Gouchet Franck Arno, Fessi Hatem, Puisieux Francis, June 22, 1995: WO/1995/016451

(EN) The present invention relates to a new galenic form of amino-4-hydroxy-2-benzoic acid, which is a potent non steroid anti-inflammatory substance known as 4-ASA. The tablets can be orally administered in order to provide for the controlled release of 4-ASA. The tablets are comprised of the activ ...


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Quintanar Guerrero David, Allemann Eric, Gurny Robert, Fessi Hatem, Doelker Eric: (Fr) Procede servant a preparer une dispersion colloidale aqueuse de nanoparticules, (En) Method for producing an aqueous colloidal dispersion of nanoparticles. Universite de Geneve, Quintanar Guerrero David, Allemann Eric, Gurny Robert, Fessi Hatem, Doelker Eric, KÜGELE Bernhard, July 8, 1999: WO/1999/033558

(EN) The method for producing an aqueous colloidal dispersion of nanoparticles comprises a first step which consists to emulsify a partially water-soluble organic solvent, containing a water-insoluble polymer in a weight/volume percentage at which nanoparticles are formed in a second step, in an aqu ...


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Charcosset Catherine, Fessi Hatem: (Fr) Procede de preparation de particules lipidiques solides, mettant en oeuvre un reacteur membranaire, (En) Method for preparing solid lipidic particles using a membrane reactor. Universite Claude Bernard Lyon I, Centre National de La Recherche Scientifique, Charcosset Catherine, Fessi Hatem, THIBAULT Jean Marc, January 4, 2007: WO/2007/000531

(EN) The invention relates to a method for preparing particles and, in particular, solid lipidic nanoparticles from a first liquid lipidic phase A comprising a lipid or a mixture of lipids, and from a second liquid phase B in which the lipid or the mixture of lipids of the first phase A is insoluble ...


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RIPOLL Lionel, BORDES Claire, FESSI Hatem, ELAISSARI Abdelhamid, FAURE Philippe, ETHEVE Sabrina: MICROPARTICULES CATIONIQUES ET UTILISATION DANS LE DOMAINE DES COSMETO - TEXTILES, CATIONIC MICROPARTICLES AND USE IN THE FIELD OF COSMETOTEXTILES. ALPOL COSMETIQUE, UNIVERSITE CLAUDE BERNARD, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, RIPOLL Lionel, BORDES Claire, FESSI Hatem, ELAISSARI Abdelhamid, FAURE Philippe, ETHEVE Sabrina, CABINET GERMAIN & MAUREAU, August 16, 2012: WO/2012/107694

One subject of the present invention is novel cationic microparticles having a diameter between 1 nm and 100 µm, the shell of which comprises: one or more polymer(s) chosen from polycaprolactone, polylactic acid, ethylcellulose, polymethyl methacrylate and an acrylate-ammonium methacrylate copolymer ...



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