Patent ID: 11859155
Assignee: ECOLAB USA INC.
Field: Basic materials chemistry (Chemistry)
Classification: CPC C | IPC B  C

Claim 10:
11. A method of reducing or preventing hardness accumulation on a hard surface in a food, beverage and/or pharmaceutical cleaning application comprising:
contacting a hard surface within the application with an alkaline detergent composition comprising: a phosphinosuccinic acid adduct comprising a phosphinosuccinic acid and mono-, bis- and oligomeric phosphinosuccinic acid adducts; an alkalinity source comprising an alkali metal hydroxide, metasilicate, and/or silicate; and an oxidizing agent comprising a chlorine, a hypochlorite and/or a chloramine, wherein a use solution of the detergent composition has a pH between about 10 and 13.5; and
reducing and/or preventing hardness build up on the treated hard surface using a clean-in-place cleaning technique.