Claims
- 1. A solid cast warewashing detergent composition adapted for use in a low temperature warewashing machine at a temperature of less than about 160.degree. F., which comprises:
- (a) about 5 to 12 wt % of a nonionic surfactant capable of soil removal;
- (b) about 10 to 60 wt % of an alkali metal hydroxide;
- (c) about 10 to 50 wt % of a hardness-sequestering agent; and
- (d) about 5 to 30 wt % water of hydration; wherein each percentage is based upon the cast composition.
- 2. The cast composition of claim 1 which further comprises a receptacle-shaped disposable container surrounding said detergent composition on all but one surface thereof.
- 3. A cast composition according to claim 1, wherein said container is the mold in which said composition was cast and solidified.
- 4. A cast composition according to claim 3, which further comprises a cover attached to the said receptacle-shaped container.
- 5. A cast composition according to claim 1, wherein said composition additionally comprises a defoamer.
- 6. A solid cast warewashing detergent composition, adapted for use in a low temperature warewashing machine at a temperature of less than about 160.degree. F., which comprises:
- (a) about 5 to 8 wt % of a nonionic surfactant;
- (b) about 20 to 50 wt % of an alkali metal hydroxide.
- (c) about 15 to 34 wt % of a hardness-sequestering amount of an alkali metal condensed phosphate;
- (d) about 10 to 20 wt % of water or hydration;
- (e) about 2 to 7 wt % of a polyelectrolyte; and
- (f) up to about 1.0 wt % of a defoamer.
- 7. The solid cast composition according to claim 1, wherein said polyelectrolyte is sodium polyacrylate.
Parent Case Info
This is a continuation of application Ser. No. 07/200,067, filed May 27, 1988, now abandoned.
US Referenced Citations (9)
Foreign Referenced Citations (3)
Number |
Date |
Country |
003769 |
Feb 1978 |
EPX |
2062465 |
Dec 1970 |
DEX |
203523 |
May 1985 |
DEX |
Continuations (1)
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Number |
Date |
Country |
Parent |
200067 |
May 1988 |
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