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Consumer product compositions

A technology for consumer products, compositions for cleaning and/or bleaching surfaces

Inactive Publication Date: 2017-02-15
PROCTER & GAMBLE CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, such processes are not advisable due to the health risks associated with exposure to UV light, possible degradation of other components of the cleaning composition, and the use of insoluble inorganic photoactivators

Method used

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  • Consumer product compositions
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0332] Examples of photoactivators

[0333] The following are non-limiting examples of various water-soluble organic photoactivators of the present invention and their synthesis.

[0334] 9-Oxo-9H-thioxanthene-2-carboxylic acid chloride

[0335] A dry 500 mL 1-neck recovery flask containing 13.25 g of 9-oxo-9H-thioxanthene-2-carboxylic acid and a magnetic stir bar was equipped with a dry condenser connected to a Firestone valve (where the bubbler outlet was passed through the water to capture the released HCl). After adding 250 mL of thionyl chloride, the system was vacuum / nitrogen cycled 5 times and held under positive nitrogen pressure (suspended solids). After 5 hours at reflux, the thionyl chloride was removed under vacuum at 60°C using a rotary evaporator. The residual solid on the walls of the flask was scraped off and crushed, and placed under vacuum (0.3 mmHg) at room temperature overnight. The vacuum was broken while argon was introduced and the solids were cr...

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Abstract

Consumer product compositions comprise a water soluble organic photoactivator, an electron acceptor which accepts an electron from the photoactivator when the photoactivator is in a photo-excited state and / or reduced state, and a benefit active precursor which converts into a benefit active agent via electron transfer. The electron acceptor is preferably not covalently linked to the photoactivator. Also disclosed are methods of making a benefit active, comprising exposing the consumer product compositions to light, preferably having a wavelength greater than about 350 nm.

Description

technical field [0001] The present invention relates to consumer product compositions comprising one or more photoactivators to produce one or more benefit actives effective as bleaching agents, stain removers, or antimicrobial agents and / or effective in eliminating biofilms. The present invention also relates to methods for cleaning and / or bleaching surfaces, and for providing methods of disinfecting or disinfecting surfaces and / or removing biofilms. Background technique [0002] Cleaning compositions are commonly used throughout the world in people's homes and workplaces. These compositions range from surface cleaners and disinfectants to bleaches for removing stains from a person's clothing or teeth. However, conventional cleaning and whitening compositions are limited by the standard chemistry that produces the cleaning or whitening properties of the composition. [0003] Conventional low cost cleaners such as chlorine bleach (sodium hypochlorite) are limited in their ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11D3/395C11D11/00
CPCC11D3/395C11D11/007C11D3/0063C11D3/3953A01N59/00A61L2/088B08B3/10C11D3/046C11D3/3951
Inventor A·D·维利J·R·亚当斯K·L·威利森K·E·耶尔姆G·M·本克W·R·穆勒R·R·加德纳
Owner PROCTER & GAMBLE CO