EP4110272A1 - Verbesserte zubereitung - Google Patents
Verbesserte zubereitungInfo
- Publication number
- EP4110272A1 EP4110272A1 EP21704230.8A EP21704230A EP4110272A1 EP 4110272 A1 EP4110272 A1 EP 4110272A1 EP 21704230 A EP21704230 A EP 21704230A EP 4110272 A1 EP4110272 A1 EP 4110272A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- weight
- preparation
- use according
- proportion
- glucoside
- 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
- 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
- A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
- A61K8/27—Zinc; Compounds thereof
-
- 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
- A61K8/46—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing sulfur
- A61K8/466—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing sulfur containing sulfonic acid derivatives; Salts
-
- 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
- A61K8/60—Sugars; Derivatives thereof
- A61K8/602—Glycosides, e.g. rutin
-
- 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
- A61K8/60—Sugars; Derivatives thereof
- A61K8/604—Alkylpolyglycosides; Derivatives thereof, e.g. esters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q15/00—Anti-perspirants or body deodorants
Definitions
- Sweat is a watery secretion released from the human skin via so-called sweat glands.
- sweat glands There are three types of sweat glands in the skin, namely apocrine, eccrine, and apoecrine sweat glands (Int J Cosmet Sci. 2007 Jun; 29 (3): 169-79).
- the eccrine sweat glands are practically distributed over the entire body and can produce considerable quantities of a clear, odorless secretion that is more than 99% water.
- the apocrine sweat glands only occur in the hairy areas of the body of the armpit and genital region as well as on the nipples. They produce small amounts of a milky secretion that contains proteins and lipids.
- Sweating also known as perspiration, is an effective mechanism for releasing excess heat and thereby regulating body temperature.
- the voluminous watery secretion of the eccrine glands which in adults can produce up to 2-4 liters per hour or 10-14 liters per day, is used for this purpose.
- the sweat - especially the secretion of the apocrine sweat glands - is also assigned a signaling effect via the sense of smell.
- apocrine sweat plays a role particularly in connection with emotional or stress-related sweating.
- Body odor occurs when fresh sweat, which is odorless, is broken down by microorganisms such as staphylococci and corynebacteria.
- Antiperspirants are antiperspirants that are supposed to prevent the secretion of sweat in the first place.
- Aluminum salts are used as active antiperspirant ingredients. These inhibit the flow of sweat by clogging the ducts of the sweat glands by precipitating on site together with the skin's own proteins and thus leading to so-called plugs.
- odor improvers In contrast to antiperspirants, pure deodorants do not actively influence sweat secretion, but only control or influence the body or armpit odor (odor improvers).
- the odor of sweat consists largely of branched-chain fatty acids that are released from odorless sweat by bacterial enzymes.
- Classic deodorant active ingredients counteract this, for example by reducing the growth of bacteria. It is also possible to neutralize odors by masking with perfume substances.
- a product is referred to as an antiperspirant or an antiperspirant cosmetic composition if it comprises an antiperspirant active ingredient in a sweat-regulating concentration.
- Sweat regulation as described, is to be expected when using aluminum salts, for example, as a rule from a concentration of 2% by weight.
- a product is referred to as a deodorant or deodorant cosmetic composition / preparation if it does not contain aluminum salts and / or has no antiperspirant activity. This means that the flow of sweat is not actively hindered.
- the product contains agents that improve odor if the product is used on the armpit skin.
- the present invention relates to a deodorant cosmetic preparation.
- deodorant products are roll-ons, in which a liquid deodorant cosmetic preparation is transferred from a reservoir to a ball in a first step and the preparation is transferred to the skin in a second step by rolling the ball over the human skin .
- roll-on applicators have a reservoir in which the preparation to be applied is contained and a freely rotatable ball which is in fluid connection with the preparation inside the reservoir and is designed so that the preparation can be rotated by rotating the ball can be removed from the reservoir as a film on the surface of the sphere.
- consumers mostly prefer roll-on products in which the preparation is transparent. This topic is already addressed for antiperspirant preparations, inter alia, in EP 0964671 B1 and WO 2005105027 A1.
- aqueous deodorant preparations for example, often contain liquid perfumes, which have to be stably dissolved in the aqueous formulation.
- ethoxylated derivatives are usually used as solubilizers, in particular PEG-40 Hydrogenated Castor Oil.
- solubilizers in particular PEG-40 Hydrogenated Castor Oil.
- aqueous-alcoholic deodorant products are perceived by the consumer as fresh and cooling, but at the same time have a number of disadvantages. For example, application on freshly shaved skin is associated with intolerance due to the alcohol content. In addition, the skin often feels sticky after the ethanol has evaporated, which should be avoided.
- a first subject of the present invention is an aqueous cosmetic deodorant preparation comprising a) zinc ricinoleate, b) at least one complexing agent, and c) caprylyl / caprylic glucoside and / or sodium methyl cocoyl taurate.
- a second subject of the invention is the use of the combination of zinc ricinoleate, at least one complexing agent and at least one substance selected from caprylyl / caprylic glucoside and sodium methyl cocoyl taurate as a solubilizer in an aqueous cosmetic preparation.
- weight percentages are given below without reference to a specific composition / preparation or specific mixture, then this information always relates to the total weight of the above-mentioned composition / preparation. If ratios of components / substances / groups of substances are disclosed below, these ratios relate to weight ratios of the components / substances / groups of substances mentioned.
- normal conditions means 20 ° C, 1013 hPa and a relative humidity of 50%.
- viscosity values relate to a measurement at 25 ° C in a 150 ml wide-neck bottle (VWR no .: 807-001) using the Rheomat R 123 from proRheo.
- the Rheomat R 123 from proRheo GmbH is a rotational viscometer, ie a measuring body rotates in the substance to be measured. The force is measured that is required to make the measuring body rotate in the sample at a specified speed. The viscosity is calculated from this torque, the speed of the measuring body and the geometric dimensions of the measuring system used.
- the measuring body no.1 (article no. 2000191), suitable for a viscosity range up to 10,000 [mPa-s], speed range 62.5 min -1 , is used as the measuring body.
- skin refers exclusively to human skin.
- preparation relates to the deodorant preparation according to the invention and to the preparation used according to the invention.
- the preparation comprises zinc ricinoleate.
- Zinc ricinoleate is the zinc salt of ricinoleic acid, a main fatty acid contained in castor oil, which is obtained from the seeds of the Ricinus communis plant.
- zinc ricinoleate is known as an odor adsorbent. However, it has no bactericidal or fungicidal properties and therefore does not affect the natural flora of the skin.
- the proportion of zinc ricinoleate in the preparation is advantageously from 0.42 to 2.25% by weight, preferably from 0.63 to 1.68% by weight and particularly preferably from 0.84 to 1.25% by weight , based on the total weight of the preparation.
- the preparation according to the invention furthermore comprises at least one complexing agent.
- a complexing agent which can form a complex with zinc ions is advantageously chosen as the complexing agent. It is also advantageous if the complexing agent is selected from the group consisting of diethylenetriaminepentaacetic acid, ethylenediaminetetraacetic acid, ß-alaninediacetic acid, methylglycinediacetic acid, nitrilotriacetic acid, tetrasodium iminodisuccinate, tetrasodium-N, N-bis (carboxylatomethyl) -ethylenediaminic acid and tetrahydiamine-ethylenediaminic acid, ethylenediaminediamine propylene.
- the complexing agent is selected from the group consisting of ethylenediaminetetraacetic acid, tetrasodium-N, N-bis (carboxylatomethyl) -L-glutamate and tetrahydroxypropyl ethylenediamines. Tetrasodium N, N-bis (carboxylatomethyl) -L-glutamate is particularly preferably used as complexing agent.
- the proportion of complexing agents is advantageously from 0.26% by weight to 1.9% by weight, preferably from 0.39% by weight to 1.28% by weight and particularly preferably from 0.49% by weight % to 0.85% by weight, based on the total weight of the preparation. It is also preferred if the proportion of complexing agents that can form a complex with zinc ions is from 0.26% by weight to 1.9% by weight, preferably from 0.39% by weight to 1.28% by weight .-% and particularly preferably from 0.49% by weight to 0.85% by weight, based on the total weight of the preparation.
- the total proportion of complexing agents is selected from the group consisting of diethylenetriaminepentaacetic acid, ethylenediaminetetraacetic acid, ß-alaninediacetic acid, methylglycinediacetic acid, nitrilotriacetic acid, tetrasodium iminodisuccinate, tetrasodium-N, N-bis (carboxylatomethylindylenediamine-bis (carboxylatomethylindyl) -hexylenediamine of tetrahydrofuran 26% by weight to 1.9% by weight, preferably from 0.39% by weight to 1.28% by weight and particularly preferably from 0.49% by weight to 0.85% by weight , based on the total weight of the preparation.
- the total proportion of complexing agents selected from the group of ethylenediaminetetraacetic acid, tetrasodium N, N-bis (carboxylatomethyl) -L-glutamate and tetrahydroxypropyl ethylenediamines from 0.26% by weight to 1.9% by weight, is preferably from 0.39% by weight to 1.28% by weight and particularly preferably from 0.49% by weight to 0.85% by weight, based on the total weight of the preparation.
- the complexing agent tetrasodium-N, N-bis (carboxylatomethyl) -L-glutamate in a proportion of 0.26% by weight to 1.9% by weight, preferably 0.39% by weight % to 1.28% by weight and particularly preferably from 0.49% by weight to 0.85% by weight, based on the total weight of the preparation.
- the complexing agent tetrasodium-N, N-bis (carboxylatomethyl) -L-glutamate in a proportion of 0.26% by weight to 1.9% by weight, preferably 0.39% by weight % to 1.28% by weight and particularly preferably from 0.49% by weight to 0.85% by weight, based on the total weight of the preparation.
- no further complexing agents are contained.
- Preferred embodiments of the invention are advantageously characterized in that the weight ratio of zinc ricinoleate to the total proportion of complexing agents is from 10: 1 to 1:10, preferably from 3: 1 to 1: 2 and particularly preferably from 2: 1 to 1: 1.
- preferred embodiments of the invention are advantageously characterized in that the weight ratio of zinc ricinoleate to the total proportion of complexing agents is selected from the group consisting of diethylenetriaminepentaacetic acid, ethylenediaminetetraacetic acid, ß-alaninediacetic acid, methylglycinediacetic acid, nitrilotriacetic acid, tetrasodiumiminatomodisuccinate, sodium tetrasodium) bis - L-glutamate, ethylenediamine disuccinic acid and tetrahydroxypropyl ethylenediamine is from 10: 1 to 1:10, preferably from 3: 1 to 1: 2 and particularly preferably from 2: 1 to 1: 1.
- preferred embodiments of the invention are advantageously characterized in that the weight ratio of zinc ricinoleate to the total proportion of complexing agents selected from the group ethylenediaminetetraacetic acid, tetrasodium-N, N- bis (carboxylatomethyl) -L-glutamate and tetrahydroxypropyl ethylenediamine of 10: 1 to 1 : 10, preferably 3: 1 to 1: 2 and particularly preferably from 2: 1 to 1: 1.
- preferred embodiments of the invention are advantageously characterized in that the weight ratio of zinc ricinoleate to the total proportion of tetrasodium N, N-bis (carboxylatomethyl) -L-glutamate is from 10: 1 to 1:10, preferably 3: 1 to 1: 2 and particularly preferably from 2: 1 to 1: 1.
- the preparation according to the invention also comprises caprylyl / caprylic glucoside and / or sodium methyl cocoyl taurate.
- caprylyl / caprylic glucoside is contained, the proportion of caprylyl / caprylic glucoside is preferably from 0.1 to 3% by weight, more preferably from 0.8 to 2.5% by weight and particularly preferably from 1.0 to 1.8% by weight, based in each case on the total weight of the preparation.
- sodium methyl cocoyl taurate is contained, the proportion of sodium methyl cocoyl taurate is preferably from 0.1 to 1% by weight, more preferably from 0.15 to 0.8% by weight and particularly preferably from 0.25 to 0.4% by weight, based in each case on the total weight of the preparation.
- the total proportion of both components in the preparation is preferably from 0.1 to 3% by weight, more preferably from 0.8 to 2.5% by weight and particularly preferably from 1.0 to 1.8% by weight, based in each case on the total weight of the preparation.
- the preparation additionally contains a further alkyl glucoside, this being advantageously selected from the group consisting of cocoglucoside, lauryl glucoside and decyl glucoside. It is particularly preferred if decyl glucoside is additionally contained.
- the proportion of these additional alkyl glucosides is advantageously from 0.1 to 3% by weight, preferably from 0.2 to 2.58% by weight and particularly preferably from 0.35 to 1% by weight. -%, each based on the total weight of the preparation.
- the total proportion is this Alkyl glucosides advantageously from 0.1 to 3% by weight, preferably from 0.2 to 2.58% by weight and particularly preferably from 0.35 to 1% by weight, based in each case on the total weight of the preparation.
- the preparation of the invention comprises at least one alkanediol.
- the total proportion of alkanediols is from 2.5 to 9% by weight, preferably from 3 to 8% by weight and particularly preferably from 4 to 7% by weight, based on the total weight of the preparation .
- the preparation contains 1,3-butanediol (INCI: butylene glycol). If it contains 1,3-butanediol, it is preferred if the proportion of 1,3-butanediol is from 1 to 6% by weight, more preferably from 2 to 5% by weight and particularly preferably from 2.5 to 4% by weight .-%, based in each case on the total weight of the preparation. 1,3-Butanediol is not only advantageous for the present invention but also serves as a preservative aid in the specially present formulation.
- 1,3-butanediol is not only advantageous for the present invention but also serves as a preservative aid in the specially present formulation.
- the preparation contains 1,2 hexanediol and / or 1,2 octanediol. If it contains 1,2 hexanediol and / or 1,2 octanediol, it is preferred if the total proportion of 1,2 hexanediol and / or 1,2 octanediol is 0.3 to 1% by weight, further preferably 0.4 to 0.9% by weight and particularly preferably from 0.6 to 0.8% by weight, based in each case on the total weight of the preparation. 1,2 hexanediol and / or 1,2 octanediol are not only advantageous for the present invention but also serve as preservative helpers for the preservation of the formulation.
- the preparation contains methylpropanediol. If methylpropanediol is included, it is preferred if the proportion of methylpropanediol is from 0.5 to 5% by weight, further preferably from 1 to 4% by weight and particularly preferably from 1.8 to 3% by weight, in each case based on the total weight of the preparation.
- the preparation contains propane-1,3-diol. If it contains propane-1,3-diol, it is preferred if the proportion of propane-1,3-diol is from 0.04 to 0.32% by weight, more preferably from 0.12 to 0.24% by weight. -% and particularly preferably from 0.16 to 0.22% by weight, based in each case on the total weight of the preparation. It is also advantageous for the purposes of the present invention if the preparation additionally contains glycerol.
- glycerin is contained, it is preferred if the proportion of glycerin is from 0.5 to 5% by weight, further preferably from 0.75 to 4% by weight and particularly preferably from 0.9 to 3% by weight , each based on the total weight of the preparation.
- the preparation according to the invention is further characterized in that it advantageously comprises less than 1% by weight of ethanol, preferably less than 0.5% by weight and in particular less than 0.3% by weight of ethanol.
- the indication “less than a certain proportion” also means that the preparation according to the invention cannot contain any constituents of the substance.
- the preparation additionally contains phenoxyethanol. If it contains phenoxyethanol, it is preferred if the proportion of phenoxyethanol is from 0.5 to 1.2% by weight, furthermore preferably from 0.6 to 1.0% by weight and particularly preferably from 0.7 to 0, 9% by weight, based in each case on the total weight of the preparation.
- xanthan gum and / or hydroxyethyl cellulose are preferred. If xanthan gum and / or hydroxyethyl cellulose are contained, their total proportion is advantageously 0.1% by weight to 0.5% by weight based on the total weight.
- no further polymeric thickeners are contained, since otherwise the viscosity of the preparation is set too high, so that application with a roll-on applicator is no longer possible.
- the preparation of the invention may also contain one or more liquid fragrances.
- liquid fragrances refers to fragrances that are liquid under normal conditions.
- Liquid fragrances are typically a mixture of perfume or aromatic components, optionally mixed with a suitable solvent, diluent or carrier. Some or many of the perfume components, when combined, can result in a highly polar liquid fragrance.
- suitable solvents, diluents or carriers for the perfume or aromatic components can be ethanol, isopropanol, diethylene glycol monoethyl ether, dipropylene glycol, diethyl phthalate, triethyl citrate, isopropyl myristate, and mixtures thereof.
- the liquid fragrances can be selected from any natural or synthetic perfume component known to those skilled in the art of making fragrances.
- Some preferred examples of fragrance components are geraniol, geranyl acetate, linalool, linalyl acetate, tetrahydrolinalool, citronellol, citronellylacetate, dihydromyrcenol, dihydromyrcenyl acetate, tetrahydromyrcenol, terpineol, terpinylacetate, nopol, nopylacetate, 2-phenylethanol, 2-nopolyethanol.
- the proportion of liquid fragrances, in particular the preferred liquid fragrances, in the preparation according to the invention is advantageously from 0.1 to 3% by weight, preferably 0.4 to 2% by weight, furthermore preferably from 0.5 to 1.5 % By weight and particularly preferably from 0.6 to 1.1% by weight, based in each case on the total weight of the preparation.
- the cosmetic preparation contains water, the proportion of water preferably being from 78 to 90% by weight, more preferably from 80 to 88% by weight and particularly preferably from 82 to 87% by weight, where the information relates to the total weight of the preparation.
- the cosmetic and dermatological preparations according to the invention can contain cosmetic auxiliaries such as are usually used in such preparations, for example preservatives, bactericides, antioxidants, minerals, suspended solid particles, perfumes, substances to prevent foaming, dyes, pigments that have a coloring effect , Thickeners, moisturizing and / or moisturizing substances or other common constituents of a cosmetic or dermatological formulation such as alcohols, polyols, polymers, foam stabilizers or silicone derivatives.
- cosmetic auxiliaries such as are usually used in such preparations, for example preservatives, bactericides, antioxidants, minerals, suspended solid particles, perfumes, substances to prevent foaming, dyes, pigments that have a coloring effect , Thickeners, moisturizing and / or moisturizing substances or other common constituents of a cosmetic or dermatological formulation such as alcohols, polyols, polymers, foam stabilizers or silicone derivatives.
- the preparation according to the invention is advantageously a deodorant preparation for use under the human armpit.
- the use of the cosmetic preparation as a deodorant is also according to the invention.
- the use of the cosmetic preparation under the human armpit to reduce and / or mask sweat odors is also according to the invention.
- a cosmetic roll-on product consisting of a roll-on applicator containing the cosmetic deodorant preparation according to the invention, it being advantageous if the container of the roll-on applicator is transparent.
- the preparation according to the invention advantageously has a viscosity in the range from 10 to 2000 mPas, preferably from 20 to 1000 mPas and particularly preferably from 50 to 150 mPas.
- the pH of the preparation is from 5 to 10 and particularly advantageously from 7 to 9.
- a preparation is regarded as transparent if it has a transmission of at least 85% at a wavelength of 600 nm.
- the measured transmission values are measured under normal conditions with a UV / VIS spectrometer UV / VIS Spectrometer Lambda 650 S (PerkinElmer) with a 150 mm integrating sphere in a quartz glass cuvette (Hellma precision cuvettes made of quartz glass Suprasil, type no. 100-QS) against a reference sample with distilled water .
- the slit width is 5 nm.
- the recipes were produced on a laboratory scale in a beaker. For this purpose, all components with the exception of hydroxyethyl cellulose and xanthan gum were first combined and mixed. Then, in each case, hydroxyethyl cellulose and xanthan gum were added and stirring was continued until a homogeneous phase had formed.
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Birds (AREA)
- Epidemiology (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Cosmetics (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102020202565.7A DE102020202565A1 (de) | 2020-02-28 | 2020-02-28 | Verbesserte Zubereitung |
| PCT/EP2021/052903 WO2021170380A1 (de) | 2020-02-28 | 2021-02-08 | Verbesserte zubereitung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4110272A1 true EP4110272A1 (de) | 2023-01-04 |
Family
ID=74572764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21704230.8A Ceased EP4110272A1 (de) | 2020-02-28 | 2021-02-08 | Verbesserte zubereitung |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4110272A1 (de) |
| DE (1) | DE102020202565A1 (de) |
| WO (1) | WO2021170380A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20250032375A1 (en) * | 2022-01-31 | 2025-01-30 | Givaudan Sa | Solvent mixtures comprising 1,3-butylene glycol and triethyl-citrate |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5925338A (en) | 1997-01-29 | 1999-07-20 | The Gillette Company | Clear antiperspirant or deodorant gel composition with volatile linear silicone to reduce staining |
| DE102005017032B4 (de) | 2004-04-27 | 2009-12-17 | Beiersdorf Ag | Kosmetische Formulierung enthaltend Mandelsäure |
| WO2019084634A1 (en) | 2017-10-30 | 2019-05-09 | Rubella Beauty Ad | Antiperspirant deodorant gel |
| CN108619027B (zh) * | 2018-06-28 | 2020-04-17 | 上海新高姿化妆品有限公司 | 一种祛味滋养洗发水及其制备方法 |
-
2020
- 2020-02-28 DE DE102020202565.7A patent/DE102020202565A1/de not_active Withdrawn
-
2021
- 2021-02-08 EP EP21704230.8A patent/EP4110272A1/de not_active Ceased
- 2021-02-08 WO PCT/EP2021/052903 patent/WO2021170380A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021170380A1 (de) | 2021-09-02 |
| DE102020202565A1 (de) | 2021-09-02 |
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