EP1280542A1 - Utilisation d'un extrait de cellules d'au moins un vegetal de la famille pontederiaceae comme agent anti-pollution - Google Patents
Utilisation d'un extrait de cellules d'au moins un vegetal de la famille pontederiaceae comme agent anti-pollutionInfo
- Publication number
- EP1280542A1 EP1280542A1 EP01934111A EP01934111A EP1280542A1 EP 1280542 A1 EP1280542 A1 EP 1280542A1 EP 01934111 A EP01934111 A EP 01934111A EP 01934111 A EP01934111 A EP 01934111A EP 1280542 A1 EP1280542 A1 EP 1280542A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- composition
- composition according
- pollution
- cosmetic
- extract
- 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.)
- Withdrawn
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
- A61K36/00—Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
- A61K36/18—Magnoliophyta (angiosperms)
- A61K36/88—Liliopsida (monocotyledons)
-
- 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
- A61K8/96—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution
- A61K8/97—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution from algae, fungi, lichens or plants; from derivatives thereof
- A61K8/9783—Angiosperms [Magnoliophyta]
- A61K8/9794—Liliopsida [monocotyledons]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P17/00—Drugs for dermatological disorders
- A61P17/16—Emollients or protectives, e.g. against radiation
-
- 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
Definitions
- the subject of the present invention is the use of extracts of cells from at least one plant of the family Pontederiaceae as anti-pollution agent and depollution agent as well as compositions containing at least one of these extracts,
- the invention also has relates to a cosmetic treatment process using cell extracts or compositions.
- Metal ions are necessary for the body in the form of traces as essential nutrients. For example, several functions involving polypeptides such as enzymatic, structural and immunological functions require metal cofactors.
- the effects of the accumulation of heavy metals can be extremely dangerous and their toxicity is due in part to the alteration of the tertiary and quaternary structures of proteins, which leads to a reduction in their catalytic activity.
- the altered proteins can become antigenic and trigger an immune response. They are then recognized by the body as foreign polypeptide agents and can cause autoimmune responses.
- Another mechanism responsible for the toxic effects of metals is the competitive substitution of natural physiological co-factors by heavy metals at non-physiological concentrations. So the Control of heavy metals that pollute the atmosphere is essential to prevent diseases related to exposure to metals.
- the skin, the hair and the accessible mucous membranes represent the largest contact surface and therefore favor the accumulation of metals and their subsequent absorption in the body.
- Certain metals and metallic compounds present in industrial manufacturing, chemicals, jewelry, clothing, medicinal products, dyes and cleaning products are involved in primary irritation reactions, allergy reactions and carcinogenicity in the skin tissue.
- the metals particularly incriminated in the environment are copper, cobalt, zinc, manganese, mercury and nickel, lead and cadmium.
- Hair is a strong absorbent for metals.
- the fixation is so strong that once these fixed metals are captured by the anionic sites of the fiber, they are difficult to elute.
- the degree of fixation of metals on the hair generally depends on several factors such as the size of the fiber, its porosity, and the exposure time. Metals such as copper, lead and iron can interfere with chemical treatments such as coloring and perming the hair.
- Some cosmetic products contain metals such as magnesium, copper or iron.
- the absorption of these metals by keratin fibers can interfere with chemical treatments such as coloring, bleaching or perm effects. This interference can lead to color problems or precipitation as explained in American patent US-5, 635, 167.
- patent application GB 2333705 A mentions the use of ethylenediamine disuccinic acid in compositions for the treatment of skin irritations by heavy metals.
- the problem is therefore to protect the skin against metallic particles floating in the air and their deleterious effects encountered in urban pollution by selecting active principles which are effective in combating these effects and / or preventing the penetration of metals into the skin or keratin materials and by introducing these active ingredients into cosmetic formulations. It has now been found, quite surprisingly, that the use of extract of cells from at least one plant of the family Pontederiaceae makes it possible to protect the keratin materials, the skin and the integuments against the effects of a certain category of air pollutants such as heavy metals.
- the subject of the present invention is the use of an extract of cells from at least one plant of the Pontederiaceae family as an anti-pollution or depollution cosmetic agent.
- Cosmetic anti-pollution agent is understood to mean an agent which protects the skin and keratinous materials so as to prevent, attenuate and / or eliminate the deleterious effects of metals.
- the present invention also relates to cosmetic compositions containing such cellular extracts as well as a method of cosmetic anti-pollution treatment or depollution using these compositions or the cellular extracts of Pontederiacae.
- the subject of the invention is the use of an extract of cells from at least one plant of the Pontederiaceae family as an anti-pollution or depollution cosmetic agent.
- the Pontederiaceae family has several genera including
- VEichhornia crassipes also called water hyacinth, this genus contains about seven species including E. azurea and E. crassipes. They are floating grasses with a creeping rhizome, aquatic or amphibious with sheathing floating or submerged leaves.
- the present invention relates more particularly to the use of cell extracts from Eichhornia crassipes.
- the cellular extracts are preferably extracts from root or leaf cells.
- any extraction method known to a person skilled in the art can be used according to the invention.
- a first step the plant material is ground in a cold aqueous solution
- the particles in suspension are removed from the aqueous solution obtained from the first step
- a third step the aqueous solution obtained from the second step.
- This aqueous solution corresponds to the extract.
- the first step can advantageously be replaced by a simple freezing operation of the plant tissues (for example at -20 ° C.), followed by an aqueous extraction repeating the second and third steps described above.
- an ethanolic extract is used.
- the subject of the present invention is the use of at least one cell extract as an anti-pollution or depollution cosmetic agent in cosmetic or dermatological compositions.
- cell extracts can be used as antipollution or depollution agents, preferably as anti-pollution or depollution cosmetic agents, to protect keratin materials, dander and skin, from the harmful effects of heavy metals.
- the integuments represent the nails, the eyelashes, the mucous membranes, the eyebrows and the hairs in general.
- cell extracts can be used as anti-pollution agents, preferably as anti-pollution or depollution cosmetic agents, to improve cellular respiration and / or reduce flaking and / or to avoid tarnishing or dirtying the keratin materials, the skin. or the integuments.
- Another object of the present invention is the preparation of a cosmetic composition with at least one cell extract defined beforehand.
- Said composition can contain from 0.01 to 10% and preferably 0.1 to 5% by weight of cellular extract relative to the total weight of the composition.
- composition can also contain at least one other anti-pollution compound.
- This can in particular be chosen from anthocyanins and / or its derivatives, compounds containing a thioether, sulfoxide or sulfone function, ergothionein and / or its derivatives, metal chelators such as, for example, derivatives of the N, N'-dibenzyl ethylene diamine acid
- antioxidants polyphenols and, among others, ellagic acid will be chosen.
- the cosmetic compositions used according to the invention also comprise a cosmetically acceptable medium which more particularly consists of water and / or optionally a cosmetically acceptable organic solvent.
- a cosmetically acceptable medium which more particularly consists of water and / or optionally a cosmetically acceptable organic solvent.
- They can be chosen from the group consisting of hydrophilic organic solvents, amphiphilic solvents, lipophilic organic solvents or their mixtures.
- hydrophilic organic solvents mention may be made, for example, of lower, linear or branched mono-alcohols having from 1 to 8 carbon atoms such as ethanol, propanol, butanol, isopropanol, isobutanol; polyethylene glycols having from 6 to 80 ethylene oxides, polyols such as propylene glycol, isoprene glycol, butylene glycol, glycerol, sorbitol, mono- or dialkyls of isosorbide whose alkyl groups have from 1 to 5 carbon atoms like dimethyl isosorbide, glycol ethers like diethylene glycol mono-methyl or mono-ethyl ether and propylene glycol ethers like dipropylene glycol methyl ether.
- lower, linear or branched mono-alcohols having from 1 to 8 carbon atoms such as ethanol, propanol, butanol, isopropanol, isobutanol
- polyols such as propylene glycol derivatives (PPG), such as esters polypropylene glycol and fatty acids, PPG and fatty alcohols such as PPG-23 oleyl ether and PPG-36 oleate.
- PPG propylene glycol derivatives
- esters polypropylene glycol and fatty acids PPG and fatty alcohols
- PPG-23 oleyl ether and PPG-36 oleate such as PPG-23 oleyl ether and PPG-36 oleate.
- fatty esters such as diisopropyl adipate, dioctyl adipate, alkyl benzoates.
- the organic solvents are preferably chosen from mono- or polyfunctional alcohols, optionally oxyethylenated polyethylene glycols, polypropylene glycol esters, sorbitol and its derivatives, isosorbide dialkyls, glycol ethers and polypropylene glycol ethers, fatty esters.
- the organic solvents can represent from 5 to 98% of the total weight of the composition.
- compositions of the invention are more pleasant to use, softer on application, more nourishing and more emollient, it is possible to add a fatty phase to the medium of these compositions.
- the fatty phase preferably represents from 0 to 50% by total weight of the composition.
- This fatty phase can comprise one or more oils preferably chosen from the group consisting of:
- oils such as paraffin and petrolatum oil
- oils of animal origin such as perhydrosqualene
- oils of vegetable origin such as sweet almond oil, avocado oil, castor oil, olive oil, joj oba oil, sesame oil, peanut oil, macadamia oil, grape seed oil, rapeseed oil, coconut oil, - synthetic oils such as Purcellin oil, isoparaffins,
- - fatty acid esters such as Purcellin oil. It can also contain as fat (one) or more fatty alcohols, fatty acids or waxes (paraffin, polyethylene wax, Carnauba, beeswax).
- compositions used in the invention can also contain adjuvants customary in the cosmetic field such as gelling agents and / or thickening agents, aqueous or lipophilic, hydrophilic or lipophilic active agents, preservatives, antioxidants, perfumes, emulsifiers, hydrating agents, pigmenting agents, depigmenting agents, keratolytic agents, vitamins, emollients, sequestrants, surfactants, polymers, alkalizing or acidifying agents, fillers, anti-free radical agents , ceramides, sunscreens, especially ultraviolet, insect repellents, slimming agents, coloring matters, bactericides, anti-dandruff.
- adjuvants customary in the cosmetic field such as gelling agents and / or thickening agents, aqueous or lipophilic, hydrophilic or lipophilic active agents, preservatives, antioxidants, perfumes, emulsifiers, hydrating agents, pigmenting agents, depigmenting agents, keratolytic agents, vitamins,
- compositions used according to the invention can be presented in all the galenical forms normally used for a topical application, in particular in the form of an aqueous, hydroalcoholic or oily solution, of an oil-in-water or water-in-oil emulsion or multiple, of an aqueous or oily gel, of a liquid, pasty or solid anhydrous product or of an oil dispersion in an aqueous phase using spherules, these spherules possibly being polymeric nanoparticles such as nanospheres and nanocapsules, or better, lipid vesicles of ionic and / or nonionic type.
- compositions used in the present invention may be more or less fluid and have the appearance of a white cream or colored, an ointment, a milk, a lotion, a serum, a paste, a foam or a solid.
- They can optionally be applied to the skin in the form of an aerosol. They can also be in solid form, and for example in the form of a stick.
- They can be used as a care product and / or as a makeup product.
- compositions of the invention can have a pH of between 3 and 8, and preferably between 5 and 7.
- the present invention also relates to the use of a cellular extract in or for the preparation of an antipolluting or depolluting composition.
- the subject of the invention is the use of such a cosmetic composition for the protection of keratin materials, the integuments and the skin, of the harmful effects of heavy metals but also for improving cellular respiration and / or reducing flaking and / or avoiding tarnish or soil keratin materials, dander and skin.
- Another object of the invention consists in a cosmetic treatment process intended to obtain protection of the organism against the effects of pollution, consisting in applying to the keratinous matter, the integuments or the skin, a cosmetically effective amount of at least one cell extract as defined above.
- Another cosmetic treatment method according to the invention intended to obtain protection of the organism against the effects of pollution, consists in applying to the keratin material, the integuments or the skin, a cosmetic composition according to the invention such as defined above.
- These cosmetic treatment methods can be followed by rinsing after application to the keratinous material, the integuments or the skin of the cell extracts or cosmetic compositions according to the invention as defined above.
- the examples which follow are intended to illustrate the invention, without however being limiting in nature.
- Protocol 1 185 g of fresh roots are introduced into 800 ml of distilled water or of MilliQ quality. Coarse grinding is carried out in a food processor for 5 minutes. A fine grinding completes this: Turax for 10 minutes. The separable part is separated by centrifugation 8000 G / 20 minutes or front cascade filtration. The final filtration is carried out on a Whatman GFD filter. 621 g of filtrate are thus recovered then lyophilized and give 1.26 g of lyophilisate.
- Protocol 2 Leaves + Roots: 52.8 g, scissor cutting, grinding with liquid nitrogen in a mortar, taken up in 200 ml of H 2 O MilliQ, magnetic stirring at 900 rpm for 10 minutes, 180 ml collected then filtered on Whatman GFF gave 417 mg of lyophilisate.
- Protocol 3 12 feet of hyacinth were washed with water and then coarsely wrung. Passed through a knife grinder (cutting robot), 700 g of ground material were obtained. Addition of 700 ml of H 2 O, then 300 ml of H 2 O MilliQ. New passage in 5-minute cutting robot, centrifugation 2,078,000 G filtration
- Heavy metals such as cadmium, nickel, lead, Mercury, etc. , can cause cytotoxicity on the cells of different organs including the skin.
- the cytotoxic effect of cadmium on human keratinocytes in culture was evaluated by a technique using a fluorescent probe to measure the level of intracellular glutathione (JC Fernandez Checa et al. 1990, R. Kannan et al. 1993).
- the study was carried out on a monolayer culture of human keratinocytes from surgical plasties.
- the cells are seeded on D-3 in 96-well culture dishes at the rate of 25,000 cells / cm 2 in 100 ⁇ l of culture medium (medium defined without calf serum, NR2, Biofluids).
- the incubations are carried out in an oven at 37 ° C in a humid atmosphere and enriched with 5% CO 2 .
- Treatment with the pollutant in the presence of the protector The cells are treated for 24 hours with increasing concentrations (0, 10, 25, 50, 75, 100, 150 and 200 ⁇ M) of cadmium chloride (CdCl 2 ) alone, so as to determine its cytotoxicity. At the same time, a treatment is carried out under the same conditions, but in the presence of hyacinth extract (0.125%). Incubations are carried out in an oven at 37 ° C,% CO 2 in a humid atmosphere.
- Cadmium chloride alone has significant toxicity with an IC.50 of 43.7 ⁇ M.
- the cytotoxicity of cadmium chloride decreases significantly (which corresponds to an increase in the IC.50): 61 ⁇ M.
- Example 1 According to the usual preparation techniques, the constituents below are mixed to prepare an emulsion.
- cell extract dLEichhornia crassipes 3 g oxyethylenated polyethylene glycol 3 g per 50 moles of ethylene monodiglyceryl stearate 3 g petroleum jelly oil 24 g cetyl alcohol 5 g water qs 100 g
- Example 2 In the same way, an emulsion is prepared according to a conventional technique, from the following compounds:
- jojoba oil 13 g parabenzoxy benzoate 0.05g methyl and isopropyl potassium sorbate 0.3 g cyclopentadimethylsiloxane 10 g ellagic acid 0.01g stearic acid g polyethyleneglycol stearate g vitamin E 1 g glycerol 3 g water qs 100 g
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Natural Medicines & Medicinal Plants (AREA)
- Dermatology (AREA)
- Engineering & Computer Science (AREA)
- Botany (AREA)
- Biotechnology (AREA)
- Microbiology (AREA)
- Mycology (AREA)
- Epidemiology (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Chemical & Material Sciences (AREA)
- Medical Informatics (AREA)
- Alternative & Traditional Medicine (AREA)
- Birds (AREA)
- Organic Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Toxicology (AREA)
- Cosmetics (AREA)
- Medicines Containing Plant Substances (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0006385A FR2809012A1 (fr) | 2000-05-18 | 2000-05-18 | Extrait de cellules d'au moins un vegetal de la famille pontederiaceae et son utilisation comme agent anti-pollution |
| FR0006385 | 2000-05-18 | ||
| PCT/FR2001/001450 WO2001087319A1 (fr) | 2000-05-18 | 2001-05-14 | Utilisation d'un extrait de cellules d'au moins un vegetal de la famille pontederiaceae comme agent anti-pollution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP1280542A1 true EP1280542A1 (fr) | 2003-02-05 |
Family
ID=8850385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01934111A Withdrawn EP1280542A1 (fr) | 2000-05-18 | 2001-05-14 | Utilisation d'un extrait de cellules d'au moins un vegetal de la famille pontederiaceae comme agent anti-pollution |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20040047831A1 (fr) |
| EP (1) | EP1280542A1 (fr) |
| JP (1) | JP2004515456A (fr) |
| AU (1) | AU2001260417A1 (fr) |
| FR (1) | FR2809012A1 (fr) |
| WO (1) | WO2001087319A1 (fr) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4742289B2 (ja) * | 2000-10-25 | 2011-08-10 | 大正製薬株式会社 | 生薬配合可溶化液体組成物 |
| JP2004277354A (ja) * | 2003-03-17 | 2004-10-07 | Sansho Seiyaku Co Ltd | 皮膚外用剤 |
| CN103127875B (zh) * | 2013-03-06 | 2015-08-12 | 东华大学 | 一种基于水葫芦表面活性剂物质的提取方法 |
| FR3003170A1 (fr) | 2013-03-15 | 2014-09-19 | Rech Cosmetique S A R L Soc D | Utilisation d'un extrait de jacinthe d'eau pour l'hydratation de la peau |
| FR3012963B1 (fr) * | 2013-11-12 | 2015-12-11 | Rech Cosmetique S A R L Soc D | Composition huileuse a base d'extraits lipophiles de rose de porcelaine et de jacinthe d'eau. |
| KR101917740B1 (ko) * | 2016-12-08 | 2018-11-13 | (주)진셀팜 | 부레옥잠 추출물을 유효성분으로 함유하는 화장료 조성물 |
| FR3078259B1 (fr) | 2018-02-23 | 2020-11-13 | Oreal | Utilisation cosmetique d'un extrait de sarriette citronnee comme agent anti-pollution |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2592884A1 (fr) * | 1986-01-10 | 1987-07-17 | Spie Batignolles | Extrait de jacinthe d'eau renfermant des peptides, son procede de preparation et ses utilisations |
| FR2682007A1 (fr) * | 1991-10-08 | 1993-04-09 | Goemar Laboratoires | Procede de traitement de produits derives de vegetaux, notamment d'origine marine. |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PH9876A (en) * | 1976-03-25 | 1976-05-18 | G Monsod | Process for extracting valuable nutrient from the leaves of water lily or water hyacinth |
| ZA86704B (en) * | 1985-02-23 | 1986-10-29 | Asta Werke Ag Chem Fab | Tumor retarding(1-benzyl-ethylenediamine9-platin(ii)-complexes |
| FR2587587B1 (fr) * | 1985-09-23 | 1988-10-14 | Spie Batignolles | Procede pour la culture de plantes aquatiques, plantes obtenues et leurs utilisations |
| US5773419A (en) * | 1995-03-03 | 1998-06-30 | Falcon; Juan | Method of treating cancer with tannic acid |
| US6066312A (en) * | 1996-07-16 | 2000-05-23 | Lion Corporation | Topical composition for application to the skin containing an ellagic acid-based compound or salt thereof |
| US6005006A (en) * | 1996-07-26 | 1999-12-21 | L'oreal | Use of N,N'-dibenzylethylenediamine-N,N'-diacetic acid derivatives as depigmenting agents |
-
2000
- 2000-05-18 FR FR0006385A patent/FR2809012A1/fr active Pending
-
2001
- 2001-05-14 EP EP01934111A patent/EP1280542A1/fr not_active Withdrawn
- 2001-05-14 AU AU2001260417A patent/AU2001260417A1/en not_active Abandoned
- 2001-05-14 US US10/276,543 patent/US20040047831A1/en not_active Abandoned
- 2001-05-14 WO PCT/FR2001/001450 patent/WO2001087319A1/fr not_active Ceased
- 2001-05-14 JP JP2001583786A patent/JP2004515456A/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2592884A1 (fr) * | 1986-01-10 | 1987-07-17 | Spie Batignolles | Extrait de jacinthe d'eau renfermant des peptides, son procede de preparation et ses utilisations |
| FR2682007A1 (fr) * | 1991-10-08 | 1993-04-09 | Goemar Laboratoires | Procede de traitement de produits derives de vegetaux, notamment d'origine marine. |
Non-Patent Citations (1)
| Title |
|---|
| See also references of WO0187319A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2001087319A1 (fr) | 2001-11-22 |
| US20040047831A1 (en) | 2004-03-11 |
| JP2004515456A (ja) | 2004-05-27 |
| AU2001260417A1 (en) | 2001-11-26 |
| FR2809012A1 (fr) | 2001-11-23 |
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Legal Events
| Date | Code | Title | Description |
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| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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| 17P | Request for examination filed |
Effective date: 20021107 |
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| AK | Designated contracting states |
Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR |
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| AX | Request for extension of the european patent |
Extension state: AL LT LV MK RO SI |
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| RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: COTOVIO, JOSE Inventor name: CATROUX, PHILIPPE Inventor name: BELCOUR-CASTRO, BEATRICE Inventor name: HILAIRE, PASCAL Inventor name: MARTIN, RICHARD |
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