Surfactant composition
US-2016199280-A1 · Jul 14, 2016 · US
Method for reducing critical micelle concentration, and surfactant composition
US9868097B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9868097-B2 |
| Application number | US-201515121630-A |
| Country | US |
| Kind code | B2 |
| Filing date | Mar 3, 2015 |
| Priority date | Mar 5, 2014 |
| Publication date | Jan 16, 2018 |
| Grant date | Jan 16, 2018 |
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Abstract
Official abstract text for this publication.
The objective of the present invention is to provide a method for remarkably reducing a critical micelle concentration of an anionic surfactant, which is used in a large amount currently, to reduce the amount to be used. Also, the objective of the present invention is to provide a surfactant composition of which whole critical micelle concentration is remarkably reduced and in which an amount of an anionic surfactant is reduced in comparison with the case of using an anionic surfactant only as a surfactant. The method for reducing a critical micelle concentration of an anionic surfactant according to the present invention is characterized in using a cyclic lipopeptide biosurfactant in combination with the anionic surfactant.
First claim
Opening claim text (preview).
The invention claimed is: 1. A method for reducing a critical micelle concentration of an anionic surfactant, comprising: mixing a cyclic lipopeptide biosurfactant with the anionic surfactant. 2. The method according to claim 1 , wherein surfactin represented by the following formula (I) or a salt thereof is used as the cyclic lipopeptide biosurfactant: wherein ‘X’ is a residue of amino acid selected from leucine, isoleucine and valine; and R 1 is a C 9-18 alkyl group. 3. The method according to claim 1 , wherein a linear alkylbenzene sulfonate, an alfa-olefin sulfonate or an alkyl sulfate is used as the anionic surfactant. 4. The method according to claim 1 , wherein the cyclic lipopeptide biosurfactant is used in a ratio of 0.1 mol % or more to a total of the anionic surfactant and the cyclic lipopeptide biosurfactant. 5. A surfactant composition, comprising an anionic surfactant and a cyclic lipopeptide biosurfactant. 6. The surfactant composition according to claim 5 , wherein the cyclic lipopeptide biosurfactant is surfactin represented by the following formula (I) or a salt thereof: wherein ‘X’ is a residue of amino acid selected from leucine, isoleucine and valine; and R 1 is a C 9-18 alkyl group. 7. The surfactant composition according to claim 5 , wherein the anionic surfactant is a linear alkylbenzene sulfonate, an alfa-olefin sulfonate or an alkyl sulfate. 8. The surfactant composition according to claim 5 , comprising the cyclic lipopeptide biosurfactant in a ratio of 0.1 mol % or more to a total of the anionic surfactant and the cyclic lipopeptide biosurfactant. 9. The surfactant composition according to claim 5 , further comprising water. 10. The method according to claim 1 , wherein a synthetic anionic surfactant is used as the anionic surfactant. 11. The surfactant composition according to claim 5 , wherein the anionic surfactant is a synthetic anionic surfactant. 12. The method according to claim 1 , wherein the cyclic lipopeptide biosurfactant is added to the anionic surfactant.
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Classifications
Preparations for care of the skin · CPC title
derived from aromatic compounds · CPC title
Food compositions, function of food ingredients or processes for food or foodstuffs · CPC title
Polymeric surface-active agents · CPC title
Amino acids, e.g. glycine, EDTA or aspartame · CPC title
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- What does patent US9868097B2 cover?
- The objective of the present invention is to provide a method for remarkably reducing a critical micelle concentration of an anionic surfactant, which is used in a large amount currently, to reduce the amount to be used. Also, the objective of the present invention is to provide a surfactant composition of which whole critical micelle concentration is remarkably reduced and in which an amount o…
- Who is the assignee on this patent?
- Kaneka Corp, Aist
- What technology area does this patent fall under?
- Primary CPC classification B01F17/005. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Jan 16 2018 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 3 related publications on this page (citations in our corpus or others sharing the same primary CPC).