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Adjustable strength laundry bleaching using a two compartment package

  • US 4,776,972 A
  • Filed: 02/28/1986
  • Issued: 10/11/1988
  • Est. Priority Date: 04/04/1984
  • Status: Expired due to Term
First Claim
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1. A laundry aid package comprising, in combination:

  • (a) a first openable container containing a bleach base that includes an oxygen bleaching agent for use in home laundering of fabrics,(b) a dispensing container containing a bleach activator composition and forming a fitment, the activator composition including a halide salt or salts selected from the group consisting of chloride salts and bromide salts of an alkali metal or metals,(c) the fitment carried by the first container to be readily detachable at least in part for dispensing the activator composition to controllably activate the bleach at the time of fabric laundering,(d) the first container being a bottle having a removable cap, the bottle having a neck onto which the cap is attached,(e) the fitment including a receptable associated with the cap and received into said neck and having a flange supported by an upper rim of said neck, the cap retaining the receptacle in position in said neck,(f) the fitment receptacle defining a sub-container containing the activator composition, and a removable sub-container cap, for providing access to the activator composition after removal of the sub-container cap,(g) the fitment being accessible after removal of the cap from the bottle, and the bleach base composition in the bottle being accessible after removal of said receptacle from the bottle neck as by elevation of said flange,(h) all of the activator, and all of the halide salt in the package being confined within said receptacle, whereby the bleach base is free of halide salt admixed therewith,(i) substantially the entirety of the receptacle as well as the activator and halide salt therein being protectively confined within said neck, and spaced inwardly therefrom, with the activator entirely out of direct communication with the bleach base in the first container whereby the bleach base cannot be activated by contact with any halide salt until the halide salt in the receptacle is accessed and dispensed at the time of fabric laundering,(j) the entirety of the bottle cap and fitment receptacle being a one-piece unit,(k) the bleach base containing an oxygen bleaching agent and the activator consisting essentially of one of the following compositions I, II, III, IV and V, wherein ingredient weight percentages are about the same as those listed;

    
    
    space="preserve" listing-type="tabular">______________________________________ I II III IV V ______________________________________ Sodium bromide 20.0 40.0 60.0 75.0 -- Potassium bromide -- -- -- -- 95.0 Sodium chloride 75.0 10.0 35.0 -- -- Citric Acid -- -- 3.0 -- -- Sodium bicarbonate -- -- 2.0 -- -- Starch 5.0 -- -- 5.0 5.0 Sodium bisulfate -- -- -- 20.0 -- Water -- 50.0 -- -- -- ______________________________________

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