WO2005104213B1 - COSMETIC FORMULATIONS COMPRISING ZnO NANOPARTICLES - Google Patents

COSMETIC FORMULATIONS COMPRISING ZnO NANOPARTICLES

Info

Publication number
WO2005104213B1
WO2005104213B1 PCT/US2005/007779 US2005007779W WO2005104213B1 WO 2005104213 B1 WO2005104213 B1 WO 2005104213B1 US 2005007779 W US2005007779 W US 2005007779W WO 2005104213 B1 WO2005104213 B1 WO 2005104213B1
Authority
WO
WIPO (PCT)
Prior art keywords
particles
monomers
group
zinc oxide
surface treated
Prior art date
Application number
PCT/US2005/007779
Other languages
French (fr)
Other versions
WO2005104213A2 (en
WO2005104213A3 (en
Inventor
Valerie Andre
Richard W Brotzman Jr
Original Assignee
Basf Ag
Valerie Andre
Richard W Brotzman Jr
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
Application filed by Basf Ag, Valerie Andre, Richard W Brotzman Jr filed Critical Basf Ag
Priority to CA002562047A priority Critical patent/CA2562047A1/en
Priority to EP05732993A priority patent/EP1734915A2/en
Priority to AU2005236840A priority patent/AU2005236840B9/en
Priority to BRPI0509712-6A priority patent/BRPI0509712A/en
Priority to JP2007507318A priority patent/JP2007532541A/en
Publication of WO2005104213A2 publication Critical patent/WO2005104213A2/en
Publication of WO2005104213A3 publication Critical patent/WO2005104213A3/en
Publication of WO2005104213B1 publication Critical patent/WO2005104213B1/en

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K51/00Preparations containing radioactive substances for use in therapy or testing in vivo
    • A61K51/12Preparations containing radioactive substances for use in therapy or testing in vivo characterised by a special physical form, e.g. emulsion, microcapsules, liposomes, characterized by a special physical form, e.g. emulsions, dispersions, microcapsules
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/02Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/11Encapsulated compositions
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/02Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/0241Containing particulates characterized by their shape and/or structure
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/19Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
    • A61K8/27Zinc; Compounds thereof
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/19Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
    • A61K8/29Titanium; Compounds thereof
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/91Graft copolymers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61QSPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q17/00Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
    • A61Q17/04Topical preparations for affording protection against sunlight or other radiation; Topical sun tanning preparations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B82NANOTECHNOLOGY
    • B82YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00Nanotechnology for materials or surface science, e.g. nanocomposites
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B82NANOTECHNOLOGY
    • B82YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y5/00Nanobiotechnology or nanomedicine, e.g. protein engineering or drug delivery
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09CTREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/04Compounds of zinc
    • C09C1/043Zinc oxide
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09CTREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/36Compounds of titanium
    • C09C1/3607Titanium dioxide
    • C09C1/3684Treatment with organo-silicon compounds
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/40Chemical, physico-chemical or functional or structural properties of particular ingredients
    • A61K2800/41Particular ingredients further characterized by their size
    • A61K2800/413Nanosized, i.e. having sizes below 100 nm
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/40Chemical, physico-chemical or functional or structural properties of particular ingredients
    • A61K2800/60Particulates further characterized by their structure or composition
    • A61K2800/61Surface treated
    • A61K2800/62Coated
    • A61K2800/622Coated by organic compounds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B82NANOTECHNOLOGY
    • B82YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y40/00Manufacture or treatment of nanostructures
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/60Particles characterised by their size
    • C01P2004/64Nanometer sized, i.e. from 1-100 nanometer

Abstract

The present invention relates to the formation of surface treated zinc oxide and titania particles, and in particular zinc oxide and titania nanoparticles, with a siloxane star-graft copolymer coating, comprising a looped and/or linear polymeric structure on a star-graft copolymer coating, on a particle surface to control the interfacial surface interactions between the particle and the oil phase of the cosmetic skin formulation.

Claims

50AMENDED CLAIMS[received by the International Bureau on 28 September 2006 (28.09.2006)]
1. A method of protecting human skin or human hair from ultraviolet radiation comprising treating said skin or hair with an effective protecting concentration of a surface treated particle comprising a plurality of zinc oxide and/or titania particles and a star-graft copolymer with looped and/or linear polymeric structure on a star-graft copolymer encapsulating at least a portion of said particles, said surface treatment comprising:
Si (x, y)
where x and y are mole percent trifunctional and difunctional monomelic units, respectively and wherein x and y are about 1-40 and 60 -99, respectively, wherein: x is selected from the group of trifunctional monomers that have cosmetically acceptable non-reactive ligands comprising of methyltrimethoxysilane, n- propyltrimethoxysilane, isobutyltrimethoxysilane, n-hexyltrimethoxysilane, n- octyltrimethoxysilane, n-octadecyltrimethoxysi- lane, phenyltrimethoxysilane, and the triethoxy-containing counterparts of these monomers; y is selected from the group of difunctional monomers that have cosmetically acceptable non-reactive ligands comprising of dicyclohexyldimethoxysilane, diethyldiethoxysilane, dimethyldichlorosilane, dimethyldiethoxysilane, dimethyldimethoxysilane, diphenyldiethoxysilane, diphenyldimethoxysilane, di-n-hexyldichlorosilane- , n-hexylmethyldichlorosilane, methyldodecyldiethoxysilane, n-octylmethyldimethoxysilane, and the diethoxy-containing counterparts of these monomers, where the product(s)/?er se, defined as surface treated ZnO and/or TiO2, are used in personal care formulations.
2. The method according to claim 1, wherein said surface treatment comprising:
Si (x, y) wherein x and y are about 10-30 and 70-90, respectively, wherein: x 51
is selected from the group of n-octyltrimethoxysilane, n-octyltriethoxysilane, phenyltrimethoxysilane and phenyltriethoxysilane, and y is selected from the group of n-octyltrimethoxysilane, n-octyltriethoxysilane.
3. The method according to claims 1, wherein said effective protecting concentration ranges between 0. 1% and 25% by weight, based on the total weight of the personal care formulation.
4. The method according to claim 1, wherein said personal care formulation comprises surface treated zinc oxide and/or titanium dioxide particles alone or together with compounds which absorb in the UV region and are known for cosmetic and pharmaceutical preparations.
5. A sunscreen-containing personal care formulation for protecting human skin or human hair from ultraviolet radiation, which comprises, in a cosmetically and pharmaceutically suitable carrier, an effective protecting concentration of a surface treated particle comprising a plurality of zinc oxide and/or titania particles and a star- graft copolymer with looped and/or linear polymeric structure on a star-graft copolymer encapsulating at least a portion of said particles, said coating polymer comprising:
Si (x,y)
where x and y are the mole percent trifunctional and difunctional monomeric units, respectively, and wherein x is about 1-40 and y is about 60-99, respectively, wherein: x is selected from the group of trifunctional monomers that have cosmetically acceptable non-reactive ligands comprising of methyltrimethoxysilane, n- propyltrimethoxysilane, isobutyltrimethoxysilane, n-hexyltrimethoxysilane, n- octyltrimethoxysilane, n-octadecyltrimethoxysi- lane, phenyltrimethoxysilane, and the triethoxy-containing counterparts of these monomers; y is selected from the group of difunctional monomers that have cosmetically acceptable non-reactive ligands comprising of dicyclohexyldimethoxysilane, 52
diethyldiethoxysilane, dimethyldichlorosilane, dimethyldiethoxysilane, dimethyldimethoxysilane, diphenyldiethoxysilane, diphenyldimethoxysilane, di-n-hexyldichlorosilane- , n-hexylmethyldichlorosilane, methyldodecyldiethoxysilane, n-octylmethyldimethoxysilane, and the diethoxy-containing counterparts of these monomers.
6. The personal care formulation according to claim 5, wherein said surface treatment comprising:
Si (x, y)
wherein x and y are about 10-30 and 70-90, respectively, wherein: x is selected from the group of n-octyltrimethoxysilane, n-octyltriethoxysilane, phenyltrimethoxysilane and phenyltriethoxysilane, and y is selected from the group of n-octyltrimethoxysilane, n-octyltriethoxysilane.
7. A surface treated particle comprising a plurality of zinc oxide and/or titania particles and a star-graft copolymer with looped and/or linear polymeric structure on a star-graft copolymer encapsulating at least a portion of said particles, said surface treatment comprising:
Si (x, y) where x and y are mole percent trifunctional and difunctional monomeric units, respectively and wherein x and y are about 1-40 and 60 -99, respectively, wherein: x is selected from the group of trifunctional monomers that have cosmetically acceptable non-reactive ligands comprising of methyltrimethoxysilane, n- propyltrimethoxysilane, isobutyltrimethoxysilane, n-hexyltrimethoxysilane, n- octyltrimethoxysilane, n-octadecyltrimethoxysilane, phenyltrimethoxysilane, and the triethoxy-containing counterparts of these monomers; y is selected from the group of difunctional monomers that have cosmetically acceptable non-reactive ligands comprising of dicyclohexyldimethoxysilane, diethyldiethoxysilane, dimethyldichlorosilane, dimethyldiethoxysilane, 53
dimethyldimethoxysilane, diphenyldiethoxysilane, diphenyldimethoxysilane, di-n-hexyldichlorosilane- , n-hexylmethyldichlorosilane, methyldodecyldiethoxysilane, n-octylmethyldiraethoxysilane, and the diethoxy-containing counterparts of these monomers.
8. The surface treated zinc oxide and/or titania particle according to claim 7, wherein said surface treatment comprising:
Si (x, y)
wherein x and y are about 10-30 and 70-90, respectively, wherein: x is selected from the group of n-octyltrimethoxysilane, n-octyltriethoxysilane, phenyltrimethoxysilane and phenyltriethoxysilane, and y is selected from the group of n-octyltrimethoxysilane, n-octyltriethoxysilane.
9. The surface treated zinc oxide and/or titania particle according to claim 7, wherein the particles are nanocrystalline particles.
10. The surface treated zinc oxide and/or titania particle according to claim 7, wherein the particles are nanoparticles with a mean particle size range from about 1 nm to about 900 nm.
11. The surface treated zinc oxide and/or titania particle according to claim 7, where in the particles are nanoparticles with a mean particle size range from about 2 nm to about 500 nm.
12. The surface treated zinc oxide and/or titania particle according to claim 7, wherein the particles are nanoparticles with a mean particle size range from about 5 nm to about 100 nm.
13. The surface treated zinc oxide and/or titania particle according to claim 7, where x and y are about 10-30 and 70-90, respectively.
PCT/US2005/007779 2004-04-06 2005-03-09 COSMETIC FORMULATIONS COMPRISING ZnO NANOPARTICLES WO2005104213A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CA002562047A CA2562047A1 (en) 2004-04-06 2005-03-09 Cosmetic formulations comprising zno nanoparticles
EP05732993A EP1734915A2 (en) 2004-04-06 2005-03-09 COSMETIC FORMULATIONS COMPRISING ZnO NANOPARTICLES
AU2005236840A AU2005236840B9 (en) 2004-04-06 2005-03-09 Cosmetic formulations comprising ZnO nanoparticles
BRPI0509712-6A BRPI0509712A (en) 2004-04-06 2005-03-09 method of protecting human skin or human hair from ultraviolet radiation, personal care formulation containing sunscreen to protect human skin or human hair from ultraviolet radiation, and particulate surface treated
JP2007507318A JP2007532541A (en) 2004-04-06 2005-03-09 Cosmetic preparations containing ZnO nanoparticles

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US55985704P 2004-04-06 2004-04-06
US60/559,857 2004-04-06
US59213304P 2004-07-30 2004-07-30
US60/592,133 2004-07-30

Publications (3)

Publication Number Publication Date
WO2005104213A2 WO2005104213A2 (en) 2005-11-03
WO2005104213A3 WO2005104213A3 (en) 2006-09-21
WO2005104213B1 true WO2005104213B1 (en) 2006-11-09

Family

ID=35197628

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/007779 WO2005104213A2 (en) 2004-04-06 2005-03-09 COSMETIC FORMULATIONS COMPRISING ZnO NANOPARTICLES

Country Status (6)

Country Link
US (1) US7182938B2 (en)
EP (1) EP1734915A2 (en)
KR (1) KR20070001262A (en)
AU (1) AU2005236840B9 (en)
BR (1) BRPI0509712A (en)
WO (1) WO2005104213A2 (en)

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Also Published As

Publication number Publication date
AU2005236840B2 (en) 2009-09-10
AU2005236840B9 (en) 2009-12-10
US7182938B2 (en) 2007-02-27
EP1734915A2 (en) 2006-12-27
WO2005104213A2 (en) 2005-11-03
AU2005236840A1 (en) 2005-11-03
KR20070001262A (en) 2007-01-03
BRPI0509712A (en) 2007-09-18
US20050255057A1 (en) 2005-11-17
WO2005104213A3 (en) 2006-09-21

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