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An antimicrobial composition

An anti-microbial, composition technology, applied in the field of personal care or cleaning compositions, hair and scalp cleaning compositions, can solve problems affecting crystal formation, increase in crystal defects, etc.

Active Publication Date: 2020-05-15
UNILEVER IP HLDG BV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, we have also established that the protein affects crystal formation during the nucleation step, leading to an increase in defects in the crystal

Method used

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  • An antimicrobial composition
  • An antimicrobial composition
  • An antimicrobial composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment A

[0091] Example A: 1 g of commercially available sericin was added to 50 ml of distilled water. The contents were stirred well until a clear solution was obtained. To this solution was added 3 g of an aqueous solution of zinc nitrate hexahydrate. The solution was heated at 40°C for 15 minutes. Dissolve 1.5g of hexamine in 50ml of water. The hexamine solution was added to the mixture. The contents were transferred to a stoppard thermos and heated in an oven at 90°C for 5 hours under a nitrogen atmosphere at a pressure of 5.0 bar. Habit-modified crystals of zinc oxide formed were filtered, rinsed with water and air-dried.

Embodiment B

[0092] Example B: A portion of the product of Example A was calcined at 700°C for two hours to prepare a sample of Example B.

Embodiment C

[0093] Example C: The sample is zinc pyrithione from sigma-aldrich.

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Abstract

Disclosed is an antimicrobial composition comprising zinc pyrithione and habit modified crystals of zinc oxide preferably comprising entrapped particles of water soluble protein. The protein may be selected from at least one of sericin, bovine serum albumin, gelatin, egg-albumin, casein, zein, whey or lysozyme. The composition may be used for personal cleansing and is especially preferred to be delivered as a shampoo or hair conditioner.

Description

technical field [0001] The present invention relates to an antimicrobial composition. The present invention relates more particularly to personal care or cleansing compositions, such as those used for the care or cleansing of the hair or body, which provide antimicrobial benefits. It more particularly relates to a cleansing composition for hair and scalp comprising actives that interact to provide synergistic antimicrobial efficacy for anti-dandruff benefits. Background technique [0002] The present invention relates to an antimicrobial composition useful for cleansing any part of the body, but particularly suitable for use on the hair and scalp. Hair care compositions generally provide cleansing or conditioning benefits or a combination of both. Such compositions generally comprise one or more cleansing surfactants, which generally help to clean the hair and / or scalp free of undesirable dirt, particulate and fatty matter. [0003] Additionally, anti-dandruff benefits ha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K8/27A61K8/49A61Q5/00A61K8/64A61K8/65A61K8/66A61Q17/00A61Q19/10
CPCA61K8/27A61K8/4933A61Q5/006A61K8/64A61K8/645A61K8/65A61K8/66A61Q17/005A61Q19/10A61K2800/58A61K2800/805A61K2800/412A61Q5/02A61Q5/12
Inventor S·达斯A·普拉马尼克
Owner UNILEVER IP HLDG BV
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