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Mixture composition comprising rhamnolipids

A technology of rhamnolipids and mixtures, which is applied in the field of preparation of preparations, can solve the problems of small two-rhamnolipids, etc., and achieve the effects of good skin feeling, good physiological compatibility, and simple formulatability

Active Publication Date: 2014-10-15
EVONIK OPERATIONS GMBH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] A disadvantage of the hitherto known rhamnolipids preparable by simple fermentation methods is their relatively small content of di-rhamnolipids

Method used

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  • Mixture composition comprising rhamnolipids
  • Mixture composition comprising rhamnolipids
  • Mixture composition comprising rhamnolipids

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Embodiment Construction

[0044] The present invention provides a mixture composition comprising rhamnolipid, characterized in that the mixture composition comprises:

[0045] 51% by weight-95% by weight, preferably 70% by weight-90% by weight, particularly preferably 75% by weight-85% by weight of diRL-C10C10 and

[0046] 0.5% to 9% by weight, preferably 0.5% to 3% by weight, particularly preferably 0.5% to 2% by weight, of mono-RL-C10C10,

[0047] Wherein the weight percent is based on the sum of all rhamnolipids present,

[0048] The prerequisite is that the weight ratio of di-rhamnolipid to mono-rhamnolipid is greater than 91:9, preferably greater than 97:3, particularly preferably greater than 98:2.

[0049] A preferred mixture composition according to the present invention is characterized in that said mixture composition comprises:

[0050] 0.5% to 15% by weight, preferably 3% to 12% by weight, particularly preferably 5% to 10% by weight, of diRL-C10C12:1,

[0051] Wherein the weight percenta...

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Abstract

The invention relates to a mixture composition comprising rhamnolipids, to a process for its preparation, to its use for producing formulations and to formulations comprising this mixture composition.

Description

technical field [0001] The present invention relates to a mixture composition comprising rhamnolipids and a method for its preparation, as well as its use for the preparation of formulations and formulations comprising said mixture composition. Background technique [0002] Rhamnolipids are glycolipids naturally produced by certain bacteria such as Pseudomonas aeruginosa. Microorganisms generally produce mixtures of rhamnolipids comprising mono-rhamnolipids and di-rhamnolipids, which contain one or two rhamnose units per molecule and can contain lipid chain. [0003] EP153634 describes a mixture composition of mono-rhamnolipid and di-rhamnolipid with an almost balanced weight ratio. [0004] Likewise, EP0499434 in Example 3 describes a two-component rhamnolipid composition with a balanced weight ratio. [0005] EP2410039 describes cleaning compositions containing mono-rhamnolipid and di-rhamnolipid in a weight ratio of 95:5 to 45:55. [0006] For example, people such as ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K8/60A61Q19/10A61Q5/02C12P19/44C12R1/40
CPCA61K2800/596A61K8/602A61Q19/00A61K2800/86A61K2800/5922A61Q19/10
Inventor M·席林C·哈通F·卡比罗尔S·沙费尔P·阿莱夫
Owner EVONIK OPERATIONS GMBH
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