EP1526831A1 - Retinoid-haltige zubereitungen - Google Patents
Retinoid-haltige zubereitungenInfo
- Publication number
- EP1526831A1 EP1526831A1 EP03766186A EP03766186A EP1526831A1 EP 1526831 A1 EP1526831 A1 EP 1526831A1 EP 03766186 A EP03766186 A EP 03766186A EP 03766186 A EP03766186 A EP 03766186A EP 1526831 A1 EP1526831 A1 EP 1526831A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- weight
- preparations
- water
- oil
- retinoid
- Prior art date
- Legal status (The legal status 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 status listed.)
- Ceased
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/67—Vitamins
- A61K8/671—Vitamin A; Derivatives thereof, e.g. ester of vitamin A acid, ester of retinol, retinol, retinal
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/67—Vitamins
- A61K8/676—Ascorbic acid, i.e. vitamin C
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/67—Vitamins
- A61K8/678—Tocopherol, i.e. vitamin E
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
- A61K2800/52—Stabilizers
- A61K2800/522—Antioxidants; Radical scavengers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
- A61K2800/59—Mixtures
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q1/00—Make-up preparations; Body powders; Preparations for removing make-up
- A61Q1/02—Preparations containing skin colorants, e.g. pigments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q17/00—Barrier 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
- A61Q17/04—Topical preparations for affording protection against sunlight or other radiation; Topical sun tanning preparations
Definitions
- the present invention relates to retinoid-containing preparations, their production and use in cosmetics, pharmacy and in the food sector.
- Retinoids are among the most active ingredients that are used in cosmetics and dermatology. They work among other things regulating normal cell growth and influencing the differentiation of epithelial cells. For example, retinoic acids are used to treat acne and retinol in anti-wrinkle creams.
- retinoids is severely restricted, which is due, among other things, to the high instability of the compounds. For this reason, strict precautionary measures must be observed when manufacturing preparations containing retinoids. For example, the production must take place completely under protective gas and the finished product must be packaged in an oxygen-impermeable manner.
- EP-A-1 055 720 discloses the stabilization of oxygen-sensitive compounds by using thio compounds or glycoproteins in the absence of oxygen.
- both water- and fat-soluble antioxidants are used together with chelating agents to stabilize retinoids.
- This object was achieved by preparations containing at least one retinoid, at least one water-soluble antioxidant and at least one oil-soluble antioxidant, characterized in that in the preparations, per part by weight of retinoid, at least 1 part by weight of one or more water-soluble antioxidants and 0.1 to 100 parts by weight of one or more Oil-soluble antioxidants are present, the content of one or more water-soluble antioxidants being in the range from 0.05 to 0.8% by weight, based on the total amount of the preparations.
- the preparations according to the invention are cosmetic and dermatological or pharmaceutical preparations and also preparations for the food sector.
- Cosmetic preparations in particular skin care preparations, are preferred.
- An advantageous embodiment of the preparations according to the invention contains 1 to 100 parts by weight, preferably 1 to 20 parts by weight, particularly preferably 1 to 5 parts by weight, very particularly preferably 2 to 3 parts by weight of one or more water-soluble antioxidants and 1 to 20 parts by weight, preferably 3, per part by weight of retinoid up to 10 parts by weight, particularly preferably 5 to 10 parts by weight, very particularly preferably 8 to 10 parts by weight of one or more oil-soluble antioxidants.
- retinoids mean vitamin A alcohol (retinol) and its derivatives such as vitamin A aldehyde (retinal), vitamin A acid (retinoic acid) and vitamin A esters such as retinyl acetate and retinyl palmitate.
- retinoic acid encompasses both all-trans retinoic acid and 13-cis retinoic acid.
- retinol and retinal preferably include the all-trans compounds.
- the preferred retinoid used for the preparations according to the invention is all-trans retinol.
- the water-soluble antioxidants include ascorbic acid,
- Preferred water-soluble antioxidants are ascorbic acid (L-ascorbic acid) and isoascorbic acid (D-ascorbic acid), particularly preferably L-ascorbic acid.
- the L-ascorbic acid used with particular preference can be the free acid but also its salts.
- Examples' games of salts of L-ascorbic acid are alkali metal or alkaline earth metal salts of L-ascorbic acid such as sodium L-ascorbate, potassium L-ascorbate or calcium L-ascorbate, as well as salts of L-ascorbic acid with an organic amine compound such as Choline ascorbate or L-carnitine ascorbate. Still more typically used 'free L-ascorbic acid or sodium L-ascorbate. The same applies to the use of D-ascorbic acid.
- Oil-soluble antioxidants ascorbyl palmitate, butylated hydroxyanisole, ⁇ ⁇ -tocopherol, phenyl- ⁇ -naphthylamine or mixtures include butylated hydroxytoluene (BHT), meant thereof.
- BHT butylated hydroxytoluene
- the preferred oil-soluble antioxidant is ⁇ -tocopherol, which can be either (R, R, R) - or (all-rac) - ⁇ -tocopherol.
- the preparations according to the invention generally contain 0.005 to 0.5% by weight, preferably 0.01 to 0.5% by weight, particularly preferably 0.03 to 0.15% by weight, very particularly preferably 0.04 up to 0.12% by weight of one or more retinoids, in particular all-trans-retinol, 0.05 to 0.8% by weight, preferably 0.1 to 0.5% by weight, particularly preferably 0.15 up to 0.3% by weight of one or more water-soluble antioxidants, in particular L-ascorbic acid, 0.0005 to 2% by weight, preferably 0.01 to 1.8% by weight, particularly preferably 0.1 to 1, 5 wt .-%, very particularly preferably 0.4 to 1.2 wt .-% of one or more oil-soluble antioxidants, in particular ⁇ -tocopherol.
- the preparations of the invention are distinguished inter alia by the fact that can be omitted in their manufacture, bottling and storage of the use of inert gas' while ensuring a sufficient stability.
- Sufficient stability in the sense of the invention is understood to mean that at least 90% of the retinoid is found in the preparation after 12 weeks of storage at 40 ° C. Further there are no undesirable color changes when the preparations according to the invention are stored.
- the oxygen-impermeable packaging can be all commercially available packaging suitable for this purpose, e.g. Glass containers or aluminum packaging.
- Aluminum tubes are preferably used, particularly preferably those aluminum tubes whose inside is additionally provided with a protective lacquer.
- the cosmetic as well as the dermatological or pharmaceutical preparations are generally based on a carrier which contains at least one oil phase.
- a carrier which contains at least one oil phase.
- preparations on an aqueous basis alone are also possible. Accordingly, oils, creams, pastes or fat-free gels or preferably emulsions are suitable.
- emulsions 0 / W emulsions, W / O emulsions, microemulsions or multiple emulsions such as O / W / O emulsions or W / O / W emulsions with one or more of the retinoids according to the invention, present in dispersed form, come in as emulsions Question, the emulsions are obtainable for example by phase inversion technology, according to DE-A-197 26 121.
- Typical cosmetic auxiliaries which can be considered as additives to the cosmetic or pharmaceutical preparations are, for example, co-emulsifiers, fats and waxes, stabilizers, thickeners, biogenic active ingredients, film formers, fragrances, dyes, pearlescent agents, preservatives, pigments, electrolytes (e.g. Magnesium sulfate) and pH regulators.
- co-emulsifiers for example, co-emulsifiers, fats and waxes, stabilizers, thickeners, biogenic active ingredients, film formers, fragrances, dyes, pearlescent agents, preservatives, pigments, electrolytes (e.g. Magnesium sulfate) and pH regulators.
- co-emulsifiers e.g., sorbitan esters or partially esterified glycerides are preferred as co-emulsifiers.
- Typical examples of fats are glycerides; waxes include beeswax, paraffin wax or microwaxes, optionally in combination with hydrophilic waxes.
- Metal salts of fatty acids such as magnesium, aluminum and / or zinc stearate can be used as stabilizers.
- Suitable thickeners are, for example, crosslinked polyacrylic acids and their derivatives, polysaccharides, in particular xanthan gum, guar guar, agar agar, alginates and tyloses, carboxymethyl cellulose and hydroxyethyl cellulose, and also fatty alcohols, monoglycerides and fatty acids, polycrylates, polyvinyl alcohol and polyvinyl pyrrolidone.
- Plant extracts, protein hydrolyzates and vitamin complexes are among the biogenic active ingredients understand.
- Common film formers are, for example, hydrocolloids such as chitosan, microcrystalline chitosan or quaternized chitosan, polyvinylpyrrolidone, vinylpyrrolidone-vinyl acetate copolymers, polymers of the acrylic acid series, quaternary cellulose derivatives and similar compounds.
- Suitable preservatives are, for example, formaldehyde solution, p-hydroxybenzoate or sorbic acid.
- Suitable pearlizing agents are, for example, glycol distearic acid esters such as ethylene glycol distearate, but also fatty acids and fatty acid monoglycol esters.
- the dyes which can be used are those which are suitable and approved for cosmetic purposes, as compiled, for example, in the publication "Cosmetic Dyes” by the Dye Commission of the German Research Foundation, published by Verlag Chemie, Weinheim, 1984. These dyes are usually used in a concentration of 0.001 to 0.1% by weight, based on the mixture as a whole.
- antioxidants are beneficial in many cases.
- all antioxidants suitable or customary for cosmetic and / or dermatological applications can be used.
- the antioxidants are advantageously selected from the group consisting of amino acids (eg glycine, histidine, tyrosine, tryptophan) and their derivatives, imidazoles (eg urocanic acid) and their derivatives, peptides such as D, L-carnosine, D-carnosine, L-carnosine and their derivatives (e.g. anserine), carotenoids, carotenes (e.g. ⁇ -carotene, lycopene) and their derivatives, chlorogenic acid and their derivatives, lipoic acid and their derivatives (e.g. dihydroliponic acid), aurothioglucose, propylthipuracil and other thiols (e.g.
- amino acids eg glycine, histidine, tyrosine, tryptophan
- imidazoles eg urocanic acid
- peptides such as D, L-carnosine, D-carnosine, L
- ⁇ -hydroxy fatty acids e.g. citric acid, lactic acid, malic acid
- humic acid Bile acid, bile extracts, biliburin, biliverdin, EDTA and their derivatives
- unsaturated fatty acids and their derivatives eg ⁇ -linolenic acid, linoleic acid, oleic acid
- folic acid and its derivatives and coniferyl benzoate Benzoin, rutinic acid and its derivatives, ⁇ -glycosylrutin, ferulic acid, furfurylidene glucitol, carnosine, nordihydroguajak resin acid, nordihydrogua aretic acid, trihydroxybutyrophenone, uric acid and its derivatives, mannose and its derivatives, zinc and its derivatives,
- the total amount of the aforementioned antioxidants (one or more compounds) in the preparations is preferably 0.075 to 30% by weight, particularly preferably 0.1 to 20% by weight, in particular 0.55 to 10% by weight, based on the Total weight of the preparation.
- Typical oil components in cosmetics are, for example, paraffin oil, glyceryl stearate, isopropyl myristate, diisopropyl adipate, 2-ethylhexanoic acid cetyl stearyl ester, hydrogenated polyisobutene, petrolatum, caprylic acid / capric acid triglycerides, microcrystalline wax, lanolin and stearic acid.
- the preparations according to the invention are suitable inter alia. as an additive for food, for example for the vitaminization of beverages and for the production of nutritional supplements in the human and animal sector.
- retinoid-containing preparations in foods.
- emulsions, solubilisates or water-dispersible dry powders in which mixtures of at least one retinoid, at least one water-soluble antioxidant and at least one oil-soluble antioxidant are present, can be used to vitaminize beverages.
- milk products such as yogurt, milk mix drinks or milk ice cream.
- the invention also relates to food supplements, animal feed, foodstuffs and pharmaceutical and cosmetic preparations containing the retinoid-containing preparations according to the invention.
- Dietary supplements and pharmaceutical preparations which contain the retinoid mixture according to the invention include . To understand tablets, coated tablets and hard and soft gelatin capsules.
- Phases A and B were heated separately to approx. 80 ° C. Phase B was then stirred into phase A and homogenized. Phase C was neutralized and post-homogenized. The cream was cooled to about 40 ° C. with stirring, phase D was stirred in and homogenized again.
- the cream was then filled into aluminum tubes with an internal protective varnish.
- Vitamin E acetate 0.30
- Vitamin E acetate 0.50
- Sun protection lotion (W / O emulsion)
- PEG-7 hydrogenated castor oil 0.75 PEG-45 / dodecyl glycol copolymer 2.00
- Liposome gel hydrophilic gel
- Macadamia nut oil 5.00 propylene glycol 5.00
- Macadamia nut oil 5.00 propylene glycol 5.00
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Birds (AREA)
- Dermatology (AREA)
- Cosmetics (AREA)
- Medicinal Preparation (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10233740 | 2002-07-24 | ||
| DE10233740A DE10233740A1 (de) | 2002-07-24 | 2002-07-24 | Retinoid-haltige Zubereitungen |
| PCT/EP2003/007700 WO2004012696A1 (de) | 2002-07-24 | 2003-07-16 | Retinoid-haltige zubereitungen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP1526831A1 true EP1526831A1 (de) | 2005-05-04 |
Family
ID=30010360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03766186A Ceased EP1526831A1 (de) | 2002-07-24 | 2003-07-16 | Retinoid-haltige zubereitungen |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20050202049A1 (de) |
| EP (1) | EP1526831A1 (de) |
| JP (1) | JP2006503000A (de) |
| CN (1) | CN100443070C (de) |
| AU (1) | AU2003246705A1 (de) |
| BR (1) | BR0311563A (de) |
| DE (1) | DE10233740A1 (de) |
| WO (1) | WO2004012696A1 (de) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2545788A1 (en) * | 2003-11-13 | 2005-06-02 | Galileo Pharmaceuticals, Inc. | Plant-derived protein extract compositions and methods |
| DE102004003478A1 (de) * | 2004-01-22 | 2005-08-18 | Basf Ag | Retinoid-haltige Zubereitungen |
| DE102006031762A1 (de) * | 2006-07-05 | 2008-01-10 | Lancaster Group Gmbh | Kosmetische Zubereitung mit einem Hautpflegekomplex mit Anti-Alterungswirkung |
| EP1905422A1 (de) | 2006-09-28 | 2008-04-02 | Johnson & Johnson Consumer France SAS | Retinoide und Metalloxidpigmente enthaltende stabilisierte Zusammensetzungen |
| WO2008111440A1 (ja) * | 2007-03-09 | 2008-09-18 | Kaneka Corporation | 還元型補酵素q10の安定的な保存方法 |
| HUP0700426A2 (en) * | 2007-06-19 | 2010-03-29 | Invencio 21 Gyogyhatasu Keszit | Liposomal compound |
| JP5210699B2 (ja) * | 2008-04-18 | 2013-06-12 | ピアス株式会社 | レチノイド安定化組成物並びにその組成物を配合した皮膚外用剤及び化粧料 |
| ES2975482T3 (es) * | 2013-03-15 | 2024-07-08 | Laboratory Skin Care Inc | Composiciones de partículas secas finas del agente activo retinoide y formulaciones tópicas que las incluyen |
| CN103417433B (zh) * | 2013-08-05 | 2015-04-22 | 雅露拜尔生物科技(杭州)有限公司 | 具有美白祛斑功能的美白祛斑霜、生产工艺及充氮灌装机 |
| MX390288B (es) * | 2018-02-06 | 2025-03-20 | Centro Int De Cosmiatria S A P I De C V | Formulación y método para el tratamiento de la alopecia androgénica. |
| JP7195222B2 (ja) * | 2019-06-24 | 2022-12-23 | 富士フイルム株式会社 | 油性化粧料 |
| JP2021161030A (ja) * | 2020-03-30 | 2021-10-11 | サンスター株式会社 | 化粧用組成物及びレチノイドの安定化方法 |
| FR3111075B1 (fr) * | 2020-06-08 | 2022-12-16 | Oreal | Composition à base de rétinol |
| CN117338715B (zh) * | 2022-06-29 | 2025-06-24 | 瑞普(天津)生物药业有限公司 | 一种环孢素自微乳制剂及其制备方法与应用 |
| WO2025021321A1 (en) * | 2023-07-27 | 2025-01-30 | The Boots Company Plc | High strength retinol compositions |
| AU2024301433A1 (en) * | 2023-07-27 | 2026-01-22 | The Boots Company Plc | Retinol containing day cream |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4004951A (en) * | 1975-07-03 | 1977-01-25 | Kaiser Aluminum & Chemical Corporation | Protective coating for aluminum products |
| FR2591105B1 (fr) * | 1985-12-11 | 1989-03-24 | Moet Hennessy Rech | Composition pharmaceutique, notamment dermatologique, ou cosmetique, a base de phases lamellaires lipidiques hydratees ou de liposomes contenant un retinoide ou un analogue structural dudit retinoide tel qu'un carotenoide. |
| DE3710216A1 (de) * | 1987-03-27 | 1988-10-06 | Rentschler Arzneimittel | Verwendung von dihydroergotamin und seinen salzen zur lokalen behandlung trophischer stoerungen |
| US5583136A (en) * | 1990-01-29 | 1996-12-10 | Johnson & Johnson Consumer Products, Inc. | Retinoid containing skin care compositions containing imidazoles |
| JP3014780B2 (ja) * | 1990-01-29 | 2000-02-28 | ジヨンソン・アンド・ジヨンソン・コンシユーマー・プロダクツ・インコーポレーテツド | スキンケア組成物 |
| JP3435510B2 (ja) * | 1991-06-27 | 2003-08-11 | ジヨンソン・アンド・ジヨンソン・コンシユーマー・プロダクツ・インコーポレーテツド | スキンケア組成物 |
| US5252604A (en) * | 1992-07-10 | 1993-10-12 | Hoffmann-La Roche Inc. | Compositions of retinoic acids and tocopherol for prevention of dermatitis |
| KR100295030B1 (ko) * | 1992-07-13 | 2001-09-17 | 겜마 아키라 | 피부외용조성물 |
| DE4420625C1 (de) * | 1994-06-14 | 1995-11-02 | Beiersdorf Ag | Wirkstoffkombination mit einem Gehalt an Glycerylalkylethern und kosmetische und dermatologische Zubereitungen, solche Wirkstoffkombinationen enthaltend |
| US6080393A (en) * | 1994-07-09 | 2000-06-27 | Johnson & Johnson Consumer Products, Inc. | Skin care composition comprising a retinoid |
| US6461622B2 (en) * | 1994-09-07 | 2002-10-08 | Johnson & Johnson Consumer Companies, Inc. | Topical compositions |
| CN1107668A (zh) * | 1994-12-23 | 1995-09-06 | 广州鹰金钱企业集团公司 | 全价营养液体膳食 |
| RU2080072C1 (ru) * | 1994-12-28 | 1997-05-27 | Научно-исследовательский институт детского питания | Молочный продукт для беременных женщин и кормящих матерей |
| DE19745506A1 (de) * | 1997-10-15 | 1999-04-22 | Basf Ag | Verwendung von Ascorbyl-2-phosphorsäureestern zur Stabilisierung von Vitamin A und/oder Vitamin A-Derivaten in kosmetischen und pharmazeutischen Zubereitung |
| US6790465B2 (en) * | 2000-12-01 | 2004-09-14 | Snore-Fix, Inc. | Composition and method for treating snoring |
-
2002
- 2002-07-24 DE DE10233740A patent/DE10233740A1/de not_active Withdrawn
-
2003
- 2003-07-16 CN CNB038173794A patent/CN100443070C/zh not_active Expired - Fee Related
- 2003-07-16 US US10/515,636 patent/US20050202049A1/en not_active Abandoned
- 2003-07-16 WO PCT/EP2003/007700 patent/WO2004012696A1/de not_active Ceased
- 2003-07-16 AU AU2003246705A patent/AU2003246705A1/en not_active Abandoned
- 2003-07-16 EP EP03766186A patent/EP1526831A1/de not_active Ceased
- 2003-07-16 BR BR0311563-1A patent/BR0311563A/pt not_active IP Right Cessation
- 2003-07-16 JP JP2004525215A patent/JP2006503000A/ja active Pending
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2004012696A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| BR0311563A (pt) | 2005-04-26 |
| AU2003246705A1 (en) | 2004-02-23 |
| US20050202049A1 (en) | 2005-09-15 |
| WO2004012696A1 (de) | 2004-02-12 |
| CN100443070C (zh) | 2008-12-17 |
| WO2004012696A8 (de) | 2005-01-20 |
| CN1671353A (zh) | 2005-09-21 |
| JP2006503000A (ja) | 2006-01-26 |
| DE10233740A1 (de) | 2004-02-05 |
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