Detergent tablets of uniform composition for dishwashing machine

Details Detergent tablets of uniform composition for dishwashing machine Detergent tablets of uniform composition for dishwashing machine

1986-11-17

1989-06-13

Lieberman, Paul

Compositions

Electrolytes for electrical devices

252135, 252174, 134 252, C11D 718

Patent

active

048390780

ABSTRACT:
Tablets having a broad solubility profile containing a mixture of sodium metasilicate nonahydrate and anhydrous sodium metasilicate with a grain size of from 0.2 to 0.8 mm in a ratio by weight of from 1:0.75 to 1:1.2, anhydrous pentasodium triphosphate having a grain diameter of 0.2 to 0.3 mm, and 0.5 to 5% by weight of an active chlorine donor. The ratio by weight of pentasodium triphosphate to metasilicates is about 1:1 to 1:1.7, based on anhydrous substances. The tablets are used in automatic dishwashing machines where they are introduced into a free zone of the machine before the start of the prerinse cycle, at least 10% of the tablets being dissolved by inflowing cold water and at least another 70% being available in the main-wash cycle.

REFERENCES:
patent: 2412819 (1946-12-01), MacMahon
patent: 3247123 (1986-04-01), Schrager et al.
patent: 3390092 (1968-06-01), Keast et al.
patent: 4219435 (1980-08-01), Baird et al.
patent: 4219436 (1980-04-01), Gromer et al.
patent: 4518516 (1985-05-01), Goddard et al.

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