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US 4,391,724 AGranted
Controlled release laundry bleach product
AssigneeThe Procter & Gamble Company
InventorDennis R. Bacon
Life of this patent
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Abstract
A granular hydrophobic peroxyacid laundry product comprising a bleach plus a surfactant bleach release agent, contained inside a pouch, bag or substrate, provides a controlled bleach release laundry product for better bleaching in a laundry wash liquor.
Claims10
A dry, granular laundry bleach product in a pouch comprising:
- I. a hydrophobic peroxyacid bleach;
- and
- II. an effective amount of a bleach release agent;
- said bleach and agent being contained within a closed water-insoluble but water-permeable pouch of fibrous material;
- said agent consisting of a surfactant selected from the group consisting of peroxyacid compatible synthetic detergents and short chain fatty acid soaps having carbon chain lengths of from about 8 to 14, whereby said agent increases the release of said peroxyacid bleach from said pouch into laundry wash liquor.
2 more elements
Dependencies are inferred from the claim text.