WO2000055264A1 - Verfahren zur erhöhung der zug-, bruch- und biegefestigkeit von farbminen sowie solche minen enthaltende farbstifte - Google Patents
Verfahren zur erhöhung der zug-, bruch- und biegefestigkeit von farbminen sowie solche minen enthaltende farbstifte Download PDFInfo
- Publication number
- WO2000055264A1 WO2000055264A1 PCT/EP2000/002137 EP0002137W WO0055264A1 WO 2000055264 A1 WO2000055264 A1 WO 2000055264A1 EP 0002137 W EP0002137 W EP 0002137W WO 0055264 A1 WO0055264 A1 WO 0055264A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lead
- leads
- colored
- alkyl
- pencil
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D13/00—Pencil-leads; Crayon compositions; Chalk compositions
-
- 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
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/73—Polysaccharides
- A61K8/731—Cellulose; Quaternized cellulose derivatives
-
- 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
- A61Q1/04—Preparations containing skin colorants, e.g. pigments for lips
-
- 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
- A61Q1/10—Preparations containing skin colorants, e.g. pigments for eyes, e.g. eyeliner, mascara
-
- 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
- A61K2800/54—Polymers characterized by specific structures/properties
- A61K2800/542—Polymers characterized by specific structures/properties characterized by the charge
- A61K2800/5422—Polymers characterized by specific structures/properties characterized by the charge nonionic
-
- 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
- A61K2800/80—Process related aspects concerning the preparation of the cosmetic composition or the storage or application thereof
- A61K2800/87—Application Devices; Containers; Packaging
- A61K2800/872—Pencils; Crayons; Felt-tip pens
Definitions
- the invention relates to a method for increasing the tensile, fracture and bending strength of colored leads and colored pencils containing such leads.
- Color leads are pigments, colored lacquers or lead containing leads that are used for colored or colored pencils and cosmetic pencils.
- Color leads should be easy to apply on the one hand, but must be strong enough to be able to process them.
- when used in cosmetic pencils they should be able to be gently and softly applied to delicate areas of the skin, and light and intense color removed. ben. Therefore, they generally have no crystalline structure, but show thixotropic behavior and desirably have only a low compressive strength. However, this also lowers their tensile and bending strength, which has a disadvantageous effect.
- the proportion of rejects in the molding process is high since the leads break easily when removed from the mold or under mechanical stress. Particularly in the case of leads which have an unfavorable ratio of length to diameter, for example a diameter of 2 to 6 mm and a length of up to 25 to 50 mm, the risk of breaking off is great.
- the low strength especially tensile and flexural strength, proves to be particularly disadvantageous if thin colored leads with a diameter of less than 6 mm are to be inserted into a rotating pin, where they can be rotated back and forth, but not mechanically, when inserted in a rotating mechanism be supported.
- liners are particularly popular for eyeliner pencils and lip contour pencils, which are used in rotary mechanisms. These liners do not need to be pointed and the lead is protected in the liner sleeve when not in use.
- Color leads are usually produced by pouring or extruding a homogenized base mass based on fat-wax mixtures, which may contain other additives in addition to the color pigments, into a mold.
- the lead is either embedded in wood, poured into preformed sleeves made of wood or plastic or the like, or inserted into a rotating mechanism.
- a method for increasing the tensile, fracture and bending strength of colored leads is provided, which is characterized in that the lead mass 1 to 50 wt .-% in organic solvents soluble alkyl and / or hydroxyalkyicellulose, their alkyl residues may be straight-chain or branched and preferably have 2 to 10 carbon atoms.
- EP-A 0 861 657 describes cosmetic compositions whose film-forming properties and adhesion properties are to be improved by adding ethyl cellulose. In particular, gel-like masses are to be produced.
- the base material for colored leads usually consists of fat, wax and oil raw materials. Additives can be added to this matrix to achieve desired properties. The most important additive are colorants, which are added in the form of pigments, colored lacquers or dyes. Binders and fillers are also used to influence the consistency. If necessary, preservatives and antioxidants are added to improve the shelf life and shelf life.
- a common recipe for colored leads contains waxes such as paraffin, beeswax etc., oil raw materials such as hydrogenated vegetable oil, pigments for coloring, and a solvent that is volatile at body temperature, such as cyclomethicone, which improves the applicability of the lead and evaporates after application, leaving it behind a durable line of paint.
- the base material for the color lead can, depending on the desire and need, contain further additives which are known to the person skilled in the art and require no further explanation here. If paraffin is used for the base material, its proportion should not be too high, since incompatibilities with the cellulose derivative used according to the invention can occur if the amounts of paraffin are too large.
- a cellulose derivative as defined below, is added to such a common base material for a color lead in order to increase the tensile and bending strength.
- the proportion of the cellulose derivative can vary depending on the type of matrix and the processing method. As a rule, a proportion in a range from 1 to 50 parts by weight, based on 100 parts by weight of the base material, has proven to be favorable. An amount of less than 1 part by weight no longer has any significant influence on the strength, while if it is more than 50 parts by weight, the viscosity of the composition can be in a range which is unfavorable for processing.
- the proportion of cellulose derivative can be in the upper range, whereas if the mass is to be shaped by casting, a proportion in the lower range is more favorable.
- a cellulose derivative used is an alkyl and / or hydroxyalkyicellulose which is soluble in organic solvents.
- fatty alcohols, fatty acids and their esters can be used as organic solvents.
- Alkyl and / or hydroxyalkyl celluloses which are soluble in organic solvents are in particular considered to be those of which a part dissolves in up to 100 parts of organic solvent at a temperature of 100.degree.
- Cellulose derivatives which are soluble in fatty alcohols or fatty acid esters, particularly those of which 1 g is dissolved in 1 to 100 g of the fatty alcohol or ester at 100 ° C., are particularly preferably used.
- the alkyl radical of the alkyl and / or hydroxyalkyl celluloses can be straight-chain or branched and has e.g. 1 to 10 carbon atoms.
- Cellulose derivatives are preferably used, the alkyl portion of which has 2 to 6, in particular 2 or 3, carbon atoms, since these are readily available.
- Ethyl cellulose is particularly preferably mixed with other cellulose derivatives.
- the solubility of the cellulose derivatives depends, among other things, on their degree of substitution. Those cellulose derivatives whose degree of substitution is higher than 1.4 are therefore preferably considered. Ethyl cellulose with a degree of substitution of 2.1 to 2.6 or a mixture of different derivatives with a degree of substitution in this range is particularly preferably used.
- the method according to the invention it is possible to provide a color lead, the tensile and bending strength of which is improved and which also has improved elasticity. It is stable enough to be turned out in a rotating mechanism without breaking off and it is self-supporting.
- the application properties are good, for example, it can be applied to skin in a pleasant manner. Because of this improvement in mechanical properties, leads can be made where the length to diameter ratio can be greater than 5: 1 or 8: 1 and even 10: 1 and more.
- the color lead is produced in a manner known per se by mixing and homogenizing the components of the base mass and the cellulose derivative used according to the invention and then shaping the resultant mass into a lead, generally by casting or extrusion.
- the mass is either poured into molds and demolded after cooling or inserted into the holding parts of a turning mechanism or poured directly into a corresponding mold by a holding part and turned back into the turning mechanism after cooling or into a corresponding part of a turning mechanism poured in and allowed to solidify there.
- the color lead according to the invention is preferably produced using a casting process.
- a process for producing colored leads is therefore preferably used, in which an alkyl cellulose and / or hydroxyalkyicellulose which is soluble in organic solvents is dissolved in a cosmetically acceptable solvent, the solution is mixed with the stick material and processed further in a manner known per se to form a lead.
- the cellulose derivative used according to the invention is preferably dissolved in a solvent customary in the field of cosmetics.
- a linear or branched fatty alcohol with a chain length of 7 to 50 carbon atoms, particularly preferably with 12 to 34 carbon atoms and in particular 16 to 24 carbon atoms is a linear or branched, saturated or unsaturated fatty acid, which preferably has a chain length of 12 to 24 carbon atoms , the longer-chain fatty acids being used in particular at elevated temperature, or an ester of a fatty acid with a short-chain alcohol, in particular special isopropyl myristate, isopropyl palmitate or myristic acid optionally used in a mixture with fatty alcohols. Mixtures of the abovementioned alcohols and / or fatty acids and / or esters can also be used. Cetyl alcohol, stearyl alcohol, isostearyl alcohol and behenyl alcohol and mixtures thereof have proven to be particularly suitable.
- the cellulose derivative is dissolved in the solvent, if appropriate at elevated temperature, and then added to the base. Since the base material is often homogenized at an elevated temperature, it is preferred to bring the solution containing the cellulose derivative to this elevated temperature before mixing.
- the base is mixed with the cellulose derivative and then further processed in a manner known per se, e.g. by extrusion or casting, preferably by casting.
- the cellulose derivative is dissolved in a cosmetically acceptable solvent, preferably a fatty alcohol, a fatty acid ester or an ester of a fatty acid and a fatty alcohol or a mixture thereof, the wax and fat components are melted, both are mixed together and homogenized, then pigments, colored lacquers and / or dyes and optionally auxiliaries are added as colorants and the base material is then poured into a mold and demolded after cooling.
- a cosmetically acceptable solvent preferably a fatty alcohol, a fatty acid ester or an ester of a fatty acid and a fatty alcohol or a mixture thereof
- colored leads are obtained which can be processed without any problems on account of their improved strength properties compared to previously known leads. Since they do not break off during production or use, they can be easily turned into pens.
- the invention therefore also relates to a colored pencil which comprises a lead and a sleeve, the lead consisting of a conventional colored lead mass which contains 1 to 50% by weight of alkyl and / or hydroxyalkyl soluble in organic solvents. cellulose were added.
- the sleeve is made of natural or synthetic materials.
- the color leads obtained with the process according to the invention are so stable that they can be processed by extrusion and casting and, moreover, they have such a high bending and tensile strength that they can be used in a turning mechanism and can be turned out and in without breaking off. They are also suitable for being inserted into sleeve blanks and processed into pins.
- the color lead obtained according to the invention is preferably used for colored pencils and cosmetic pencils, particularly preferably for cosmetic pencils. Because of its advantageous properties, the color lead obtained according to the invention can be used for the production of eyeliner, khol, eyebrow and lip contour pencils.
- the leads obtained according to the invention are particularly well suited for use in cosmetic "liners" which have a rotating mechanism. In such pens, the leads have a maximum diameter of 6 mm and a length of up to 80 mm. For this reason, very high demands are placed on the mechanical strength of such pencils, but these are met by the color leads obtained according to the invention.
- a color lead according to the invention was produced with the recipe given in Table 1.
- a lead was produced from the identical base material, but the cellulose derivative essential according to the invention was missing.
- the recipe for both masses can be found in the following Table 1, with all amounts given in% by weight: Table 1
- the ethyl cellulose was added to the mixture of isostearyl alcohol and stearyl alcohol. The mixture was then heated to 65-90 ° C with stirring and held at this temperature until everything was dissolved. Hydrogenated vegetable oil and paraffin were melted separately and then added to the ethyl cellulose solution. The pigments were then added and the entire mixture was then homogenized in the customary manner. After the addition of cyclomethicone, the mass was poured into a mold in a known manner and, after cooling and solidifying, removed from the mold. An eyeliner pencil with good dispensing, soft application and good stability was obtained.
- Comparative Example 1 For comparison, the constituents of the formulation of Comparative Example 1 were mixed in an equivalent manner by melting hydrogenated vegetable oil and paraffin and then adding the pigments and isostearyl alcohol and stearyl alcohol. Finally, the cyclomethicone was added to the mass and the mass was poured into a mold. A mass with a comparable release was obtained, but which had an insufficient breaking strength. This mass was therefore difficult and with considerable committee from the Remove the shapes and turn them back in the turning mechanism. When applied, the leads with a diameter of 2.5 mm broke off very easily.
- a mass for a color lead was produced which was suitable for a lip contour pencil.
- a lead was produced for a lip contour pencil, the basic mass of which was identical to that of Example 2, but which lacked the essential ethyl cellulose according to the invention.
- the formulations for both mixtures are given in Table 2 below in% by weight.
- the ethyl cellulose was added to a heated mixture of isostearyl alcohol and cetyl palmitate and then heated to 65-90 ° C with stirring and held at this temperature until everything was dissolved.
- Beeswax, Synthetic Wax and PPG-12 / SMDI copolymer were melted separately. Zen and then added to the ethyl cellulose solution.
- the pigments were then added and the entire mixture was then homogenized in the customary manner.
- the mass was poured into a mold in a known manner and, after cooling and solidifying, removed from the mold. A lip contour pencil with good delivery, soft application and good stability was obtained.
- the mass was processed in an equivalent manner in accordance with the recipe of comparative example 2.
- Beeswax, Synthetic Wax and PPG-1 2 / SMDI copolymer were melted and then pigments, isostearyl alcohol, cetyl palmitate were added and finally cyclomethicone was added.
- the mass was then also poured into a mold in a known manner and, after cooling and solidifying, removed from the mold.
- the lead obtained with the mass of Comparative Example 2 had a comparable release, but had an insufficient compressive strength. It was difficult to remove from the molds with considerable rejects and to turn them back into the turning mechanism. When applying the mine broke off very easily with a diameter of 2.5 mm.
- the examples show that the addition of a cellulose derivative according to the invention to a customary base for color leads improves the mechanical properties, in particular the tensile and flexural strength and the breaking strength, without adversely affecting the advantageous application properties.
- the leads of the present invention are therefore particularly suitable for pens with a rotating mechanism, where the lead is exposed to a higher mechanical load than with sharpenable, wood and plastic-encased pens.
- the color leads according to the invention are also suitable for pencils made of wood or plastic.
- Refills were made from Japanese wax, isostearyl alcohol and ethyl cellulose, without pigments, to test the mechanical properties of refills made from them.
- the weak point in thinly cast mines that fall into one Rotary mechanics are used, the transition point is directly on the lead holder, where the leads break off preferentially, masses were produced with the following specified compositions. Mines with a thickness of 3 mm and a length of 34 mm were cast from this mass and then subjected to various tests.
- a drop test was carried out on the mines cast from the 3 recipes. For this purpose, the complete mechanics with inserted mine were dropped 3 times in a guide tube from a height of 30 cm, tip first, onto a hard surface. The result of the drop test was as follows:
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Epidemiology (AREA)
- Birds (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Cosmetics (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00909353A EP1169398B1 (de) | 1999-03-16 | 2000-03-10 | Verwendung einer alkylcellulose und/oder hydroxyalkylcellulose zur erhöhung der zug-, bruch- und biegefestigkeit von farbminen sowie solche minen enthaltende farbstifte |
JP2000605686A JP4339522B2 (ja) | 1999-03-16 | 2000-03-10 | カラー芯の引張強度、破断強度および曲げ強度を増大する方法およびこのようなカラー芯を含むカラーペンシル |
DE50015128T DE50015128D1 (de) | 1999-03-16 | 2000-03-10 | Verwendung einer alkylcellulose und/oder hydroxyalkylcellulose zur erhöhung der zug-, bruch- und biegefestigkeit von farbminen sowie solche minen enthaltende farbstifte |
US09/936,719 US6830610B1 (en) | 1999-03-16 | 2000-03-10 | Method for increasing the tensile, breaking and flexural strength of colored leads and colored pencils containing the same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19911748A DE19911748A1 (de) | 1999-03-16 | 1999-03-16 | Verfahren zur Erhöhung der Zug-, Bruch und Biegefestigkeit von Farbminen sowie solche Minen enthaltende Farbstifte |
DE19911748.9 | 1999-03-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000055264A1 true WO2000055264A1 (de) | 2000-09-21 |
Family
ID=7901199
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2000/002137 WO2000055264A1 (de) | 1999-03-16 | 2000-03-10 | Verfahren zur erhöhung der zug-, bruch- und biegefestigkeit von farbminen sowie solche minen enthaltende farbstifte |
Country Status (6)
Country | Link |
---|---|
US (1) | US6830610B1 (de) |
EP (1) | EP1169398B1 (de) |
JP (1) | JP4339522B2 (de) |
AT (1) | ATE393194T1 (de) |
DE (2) | DE19911748A1 (de) |
WO (1) | WO2000055264A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1543813A1 (de) * | 2003-12-19 | 2005-06-22 | Faber-Castell AG | Kosmetische Feststoffmine |
CN108276832A (zh) * | 2017-12-20 | 2018-07-13 | 安硕文教用品(上海)股份有限公司 | 炫彩棒棒芯及其制备方法 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE20016826U1 (de) * | 2000-09-29 | 2001-03-08 | Schwan Stabilo Cosmetics Gmbh | Stift |
US8080257B2 (en) | 2000-12-12 | 2011-12-20 | L'oreal S.A. | Cosmetic compositions containing at least one hetero polymer and at least one film-forming silicone resin and methods of using |
US20050008598A1 (en) * | 2003-07-11 | 2005-01-13 | Shaoxiang Lu | Cosmetic compositions comprising a structuring agent, silicone powder and swelling agent |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH195333A (de) * | 1934-04-14 | 1938-01-31 | Eagle Pencil Co | Bindemittel und Verfahren zur Herstellung desselben. |
US4741774A (en) * | 1986-12-16 | 1988-05-03 | Salvator Lazar | Plastic colored crayon |
DE4229555A1 (de) * | 1992-09-04 | 1994-03-17 | Johann Froescheis Lyra Bleisti | Farbkörper insbesondere Farbmine für Mal- oder Kosmetikzwecke |
WO1995011000A1 (en) * | 1993-10-18 | 1995-04-27 | The Procter & Gamble Company | Non-sweating lipsticks |
DE19643356C1 (de) * | 1996-10-21 | 1998-04-16 | Faber Castell A W | Verfahren zum Herstellen von Farbminen |
EP0861657A2 (de) * | 1997-02-27 | 1998-09-02 | L'Oreal S.A. | Aufgelöste Ethylzellulose enthaltende topische Zusammensetzung frei von einwertigen Alkohol |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2641810B2 (ja) * | 1991-05-02 | 1997-08-20 | 三菱鉛筆株式会社 | 非焼成色鉛筆芯とその製造方法 |
DE59300756D1 (de) * | 1992-02-07 | 1995-11-23 | Faber Castell A W | Farbmine. |
JP2726198B2 (ja) * | 1992-06-03 | 1998-03-11 | 三菱鉛筆株式会社 | 非焼成色鉛筆芯とその製造方法 |
US5399342A (en) * | 1993-02-03 | 1995-03-21 | Dow Corning Corporation | Cosmetics with enhanced durability |
US5330747A (en) * | 1993-02-03 | 1994-07-19 | Dow Corning Corporation | Cosmetics with enhanced durability |
JP3664824B2 (ja) * | 1996-10-22 | 2005-06-29 | 三菱鉛筆株式会社 | 棒状化粧料 |
KR20010022351A (ko) * | 1998-05-27 | 2001-03-15 | 니시무라 테이이치 | 비소성 색연필심 |
-
1999
- 1999-03-16 DE DE19911748A patent/DE19911748A1/de not_active Withdrawn
-
2000
- 2000-03-10 WO PCT/EP2000/002137 patent/WO2000055264A1/de active IP Right Grant
- 2000-03-10 EP EP00909353A patent/EP1169398B1/de not_active Expired - Lifetime
- 2000-03-10 JP JP2000605686A patent/JP4339522B2/ja not_active Expired - Lifetime
- 2000-03-10 AT AT00909353T patent/ATE393194T1/de not_active IP Right Cessation
- 2000-03-10 US US09/936,719 patent/US6830610B1/en not_active Expired - Lifetime
- 2000-03-10 DE DE50015128T patent/DE50015128D1/de not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH195333A (de) * | 1934-04-14 | 1938-01-31 | Eagle Pencil Co | Bindemittel und Verfahren zur Herstellung desselben. |
US4741774A (en) * | 1986-12-16 | 1988-05-03 | Salvator Lazar | Plastic colored crayon |
DE4229555A1 (de) * | 1992-09-04 | 1994-03-17 | Johann Froescheis Lyra Bleisti | Farbkörper insbesondere Farbmine für Mal- oder Kosmetikzwecke |
WO1995011000A1 (en) * | 1993-10-18 | 1995-04-27 | The Procter & Gamble Company | Non-sweating lipsticks |
DE19643356C1 (de) * | 1996-10-21 | 1998-04-16 | Faber Castell A W | Verfahren zum Herstellen von Farbminen |
EP0861657A2 (de) * | 1997-02-27 | 1998-09-02 | L'Oreal S.A. | Aufgelöste Ethylzellulose enthaltende topische Zusammensetzung frei von einwertigen Alkohol |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1543813A1 (de) * | 2003-12-19 | 2005-06-22 | Faber-Castell AG | Kosmetische Feststoffmine |
CN108276832A (zh) * | 2017-12-20 | 2018-07-13 | 安硕文教用品(上海)股份有限公司 | 炫彩棒棒芯及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
EP1169398A1 (de) | 2002-01-09 |
DE50015128D1 (de) | 2008-06-05 |
DE19911748A1 (de) | 2000-09-21 |
JP2002539220A (ja) | 2002-11-19 |
US6830610B1 (en) | 2004-12-14 |
EP1169398B1 (de) | 2008-04-23 |
ATE393194T1 (de) | 2008-05-15 |
JP4339522B2 (ja) | 2009-10-07 |
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