Patent ID: 11932830
Assignee: ECOLAB USA INC.
Field: Basic materials chemistry (Chemistry)
Classification: CPC C | IPC C

Claim 11:
12. A system for cleaning wares in an automatic dishwashing environment comprising:
a solid controlled release composition comprising a first phase and a second phase, wherein the first phase is a homogenous solid comprising from about 20 wt-% to about 95 wt-% of a hydroxide alkalinity source, from about 5 wt-% to about 20 wt-% of at least one polysaccharide material comprising carboxymethylcellulose (CMC), wherein the at least one polysaccharide material has between about a 1 wt-% to about 2 wt-% aqueous solution viscosity at 25 ° C. of between about 520 cps and about 5000 cps, and a surfactant, and wherein the second phase is a homogenous solid comprising a hydroxide alkalinity source and an active ingredient cleaning agent;
wherein the solid controlled release composition is a multi-use composition lasting at least 12 cycles and not encapsulated with a delayed release composition; and
wherein the system does not include a dispensing system.