Compositions – Water-softening or purifying or scale-inhibiting agents
Patent
1987-10-19
1989-04-04
Lieberman, Paul
Compositions
Water-softening or purifying or scale-inhibiting agents
134 40, 252142, 252143, 252170, 252171, 25217419, C11D 343, C11D 360
Patent
active
048184276
ABSTRACT:
A pretreatment or steeping preparation for cleaning stubbornly soiled dishes in an automatic dishwashing machine comprising from about 0.5 to about 20% by weight of a low-foaming nonionic surfactant, from about 0.5 to about 25% by weight of a polyhydric alcohol and/or glycol ether, from about 0.5 to about 10% by weight of a hydrotropic compound, and from about 0.01 to about 6% by weight of a viscosity regulator, all weights based on the weight of said preparation, in an aqueous suspension or solution adjusted to a viscosity of at least 5 mPa.s. and to a pH of from about 2 to about 7. In the cleaning process, the preparation is applied to the soiled dishes, the dishes are placed in an automatic dishwashing machine, and after waiting about 30 minutes the dishwashing machine is started for the normal washing cycle.
REFERENCES:
patent: 3592774 (1971-07-01), Altenschopfer
patent: 4116851 (1978-09-01), Rupe et al.
patent: 4465612 (1984-08-01), Altenschopfer et al.
patent: 4521326 (1985-06-01), Seibert et al.
Altenschoepfer Theodor
Jeschke Peter
Wisotzki Klaus-Dieter
Grandmaison Real J.
Henkel Kommanditgesellschaft auf Aktien
Jaeschke Wayne C.
Krasnow Ronald A.
Lieberman Paul
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