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Consumer product compositions comprising microcapsules

A technology of consumer products and compositions, which is applied in the direction of microcapsule preparations, detergent compositions, detergent compositions, fragrances, etc., to achieve the effect of improving deposition

Pending Publication Date: 2019-11-05
PROCTER & GAMBLE CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, effective deposition of microcapsules on treated surfaces remains a challenge, especially if the microcapsules are included in consumer product compositions that are diluted into washing solutions during use in treating surfaces such as fabric fibers. Product compositions (e.g., laundry detergents or fabric softeners), or consumer product compositions intended to treat surfaces such as human hair and rinsed from the surface during use

Method used

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  • Consumer product compositions comprising microcapsules
  • Consumer product compositions comprising microcapsules
  • Consumer product compositions comprising microcapsules

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0202] Example 1: Modification of PMC with a slurry of chitosan in PMC. 50.0 g of Sanibel Mod 50 / 3 (Lot No. PDS040115B, 44.3% solids, 31.34% perfume oil) PMC slurry was weighed into a glass jar. To this was added 0.111 g chitosan powder (note: this corresponds to 0.5% chitosan per solid in the PMC slurry). The jar was capped, shaken vigorously by hand to disperse the polymer, and then placed on a shaker overnight. The slurry should be thickened and relatively consistent.

[0203] Solutions of unmodified PMC or chitosan-modified PMC were prepared in tap water or 5% conditioner solution in 100 g sample jars. In a 50g sample jar, add 4g of pre-cleaned* hair switches, 20g of PMC solution. The jar was agitated by hand for 30 seconds to deposit the PMC on the hair. The hair switches were then removed and placed in a clean dry 50g jar and 20g rinse water added. The jar was agitated for 30 seconds to determine the retention of PMC on the hair after rinsing. The concentration of ...

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Abstract

A consumer product composition comprises a consumer product adjunct ingredient, a microcapsule, and chitosan disposed on an outer surface of the microcapsule. The chitosan has a weight average molecular weight of at least about 100 kDa and / or a degree of deacetylation of at least about 60%. The microcapsule comprises a shell material encapsulating a core material, wherein the shell material comprises a polyacrylate and the core material comprises a benefit agent.

Description

technical field [0001] The present invention relates to consumer product compositions comprising microcapsules comprising chitosan disposed thereon, and methods of depositing the microcapsules. Background technique [0002] Consumers often desire consumer products that provide multiple benefits. For example, it is not uncommon for a particular consumer to have laundry detergent, fabric softener, shampoo, conditioner, body wash, deodorant, fine fragrance, shaving gel, etc. in their household. Typically, such consumer products also contain benefit agents such as fragrances. Benefit agents such as fragrances can please the user by providing a sense of freshness and can serve to signal to the user that the product may still be functional or that the product is still present. But because of the volatility of many fragrances, consumers may not notice the fragrance shortly after application of the consumer product, potentially leading the user to believe that the benefit is weari...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61Q5/12A61Q13/00A61K8/73A61K8/81A61K8/11C11D17/00C11D11/00C11D3/50
CPCA61Q13/00C11D17/0039A61K2800/412C11D3/505A61K8/11A61K8/8152A61Q5/12A61K8/736C11D2111/12B01J13/22A61K2800/56A61K2800/624
Inventor 皮埃尔·韦斯特雷特奥利维尔·法斯本德黄浩多罗西·A·哈尔约翰·斯梅茨
Owner PROCTER & GAMBLE CO