WO2004103345A3 - Particles which are stabilised in size by diacid copolymer - Google Patents

Particles which are stabilised in size by diacid copolymer Download PDF

Info

Publication number
WO2004103345A3
WO2004103345A3 PCT/FR2004/001191 FR2004001191W WO2004103345A3 WO 2004103345 A3 WO2004103345 A3 WO 2004103345A3 FR 2004001191 W FR2004001191 W FR 2004001191W WO 2004103345 A3 WO2004103345 A3 WO 2004103345A3
Authority
WO
WIPO (PCT)
Prior art keywords
particles
stabilised
size
diacid copolymer
diacid
Prior art date
Application number
PCT/FR2004/001191
Other languages
French (fr)
Other versions
WO2004103345A2 (en
Inventor
Jean-Louis Mattei
Jean-Thierry Simmonet
Original Assignee
Oreal
Jean-Louis Mattei
Jean-Thierry Simmonet
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FR0306039A external-priority patent/FR2855051B1/en
Application filed by Oreal, Jean-Louis Mattei, Jean-Thierry Simmonet filed Critical Oreal
Priority to JP2006508337A priority Critical patent/JP2006526007A/en
Publication of WO2004103345A2 publication Critical patent/WO2004103345A2/en
Publication of WO2004103345A3 publication Critical patent/WO2004103345A3/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • A61K9/141—Intimate drug-carrier mixtures characterised by the carrier, e.g. ordered mixtures, adsorbates, solid solutions, eutectica, co-dried, co-solubilised, co-kneaded, co-milled, co-ground products, co-precipitates, co-evaporates, co-extrudates, co-melts; Drug nanoparticles with adsorbed surface modifiers
    • A61K9/146—Intimate drug-carrier mixtures characterised by the carrier, e.g. ordered mixtures, adsorbates, solid solutions, eutectica, co-dried, co-solubilised, co-kneaded, co-milled, co-ground products, co-precipitates, co-evaporates, co-extrudates, co-melts; Drug nanoparticles with adsorbed surface modifiers with organic macromolecular compounds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
    • A61K9/51—Nanocapsules; Nanoparticles

Abstract

The invention relates to particles of at least one active material, which are characterised in that they possess an effective quantity of a surface-stabilising agent, absorbed at the surface thereof, said agent comprising at least one anionic copolymer of carboxylic diacid or one of the salts of same.
PCT/FR2004/001191 2003-05-20 2004-05-14 Particles which are stabilised in size by diacid copolymer WO2004103345A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2006508337A JP2006526007A (en) 2003-05-20 2004-05-14 Particles stabilized with diacid copolymer

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR03/06039 2003-05-20
FR0306039A FR2855051B1 (en) 2003-05-20 2003-05-20 PARTICLES STABILIZED IN SIZE BY DIACID COPOLYMER
US47922103P 2003-06-18 2003-06-18
US60/479,221 2003-06-18

Publications (2)

Publication Number Publication Date
WO2004103345A2 WO2004103345A2 (en) 2004-12-02
WO2004103345A3 true WO2004103345A3 (en) 2005-02-17

Family

ID=33477721

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FR2004/001191 WO2004103345A2 (en) 2003-05-20 2004-05-14 Particles which are stabilised in size by diacid copolymer

Country Status (3)

Country Link
JP (1) JP2006526007A (en)
KR (1) KR20060006086A (en)
WO (1) WO2004103345A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5428058B2 (en) * 2007-12-28 2014-02-26 ライオン株式会社 Method for producing atomized ellagic acid compound
JP5611089B2 (en) * 2011-03-11 2014-10-22 花王株式会社 Aqueous liquid oral composition

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0499299A2 (en) * 1991-01-25 1992-08-19 NanoSystems L.L.C. Surface modified drug nanoparticles
WO2003094894A1 (en) * 2002-05-06 2003-11-20 Elan Pharma International Ltd. Nanoparticulate nystatin formulations

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0499299A2 (en) * 1991-01-25 1992-08-19 NanoSystems L.L.C. Surface modified drug nanoparticles
WO2003094894A1 (en) * 2002-05-06 2003-11-20 Elan Pharma International Ltd. Nanoparticulate nystatin formulations

Also Published As

Publication number Publication date
JP2006526007A (en) 2006-11-16
WO2004103345A2 (en) 2004-12-02
KR20060006086A (en) 2006-01-18

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