C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
134/3.7
C11D 3/04 (2006.01) C11D 3/02 (2006.01) C11D 3/08 (2006.01) C11D 7/06 (2006.01) C11D 7/14 (2006.01) C11D 7/16 (2006.01) C11D 17/00 (2006.01)
Patent
CA 1120819
ABSTRACT OF THE DISCLOSURE A detergent tablet containing a builder salt has an alkalinity of at least equivalent to 3 g. of sodium hydroxide per 100 g. of the tablet composition and a density of at least 1.4 g./cc. The builder salt can be a mixture of a silicate salt and a phosphate salt, preferably with more silicate, for example sodium metasilicate, than phosphate, for example sodium tripolyphosphate. The tablets are preferably free of surfactant materials and are especially adapted for use in automatic dishwashing machines.
304373
Gromer Jurgen W.k.
Pracht Hans J.
Gromer Jurgen W.k.
Kirby Eades Gale Baker
Pracht Hans J.
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