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Oil-in-water emulsion containing an amphiphilic polymer
US10773106B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10773106-B2 |
| Application number | US-17312608-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jul 15, 2008 |
| Priority date | Jul 20, 2007 |
| Publication date | Sep 15, 2020 |
| Grant date | Sep 15, 2020 |
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Abstract
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A composition for topical application, in the form of an oil-in-water emulsion, containing at least one nonionic emulsifier with a melting point of less than 45° C. and at least one 2-acrylamido-2-methylpropanesulfonic acid polymer. The composition shows very good stability.
First claim
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The invention claimed is: 1. A composition which is suitable for topical application to a keratin material and in the form of an oil-in-water emulsion, wherein the composition comprises an oily phase dispersed in an aqueous phase and: (a) from 0.15 to 0.65% by weight of glyceryl isostearate and optionally one or more additional emulsifiers; and (b) from 0.1 to 0.6% by weight of ammonium acryloyldimethyltaurate/Steareth-8 methacrylate copolymer, wherein the weight ratio of the amount of ammonium acryloyldimethyltaurate/Steareth-8 methacrylate copolymer to the amount of glyceryl isostearate ranges from 0.9 to 1.1, and wherein the oily phase is present in an amount greater than zero but less than 40% by weight relative to the total weight of the composition. 2. The composition according to claim 1 , wherein the amount of ammonium acryloyldimethyltaurate/Steareth-8 methacrylate copolymer is 0,05% to 0.5% by weight. 3. A method for caring for, removing makeup from and/or cleansing the skin, the lips and/or the hair, comprising applying the composition of claim 1 to the skin, the lips and/or the hair. 4. The composition according to claim 1 , which is a stable emulsion for 2 months at 55° C. defined by no macroscopic change in color, odor, and/or viscosity, no variation in pH and no change in microscopic appearance.
Assignees
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Classifications
Oil-in-water emulsions · CPC title
the alcohol moiety containing more than one hydroxy group · CPC title
Derivatives containing from 2 to 10 oxyalkylene groups · CPC title
Homopolymers or copolymers of amides or imides, e.g. (meth) acrylamide; Compositions of derivatives of such polymers · CPC title
Polyethers · CPC title
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- What does patent US10773106B2 cover?
- A composition for topical application, in the form of an oil-in-water emulsion, containing at least one nonionic emulsifier with a melting point of less than 45° C. and at least one 2-acrylamido-2-methylpropanesulfonic acid polymer. The composition shows very good stability.
- Who is the assignee on this patent?
- Lalloret Florence, Bressy Lydie, Oreal
- What technology area does this patent fall under?
- Primary CPC classification A61K8/06. Mapped technology areas include Human Necessities.
- When was this patent published?
- Publication date Tue Sep 15 2020 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).