| abstract |
A hard surface cleaning composition comprising a copolymer, wherein said copolymer comprises a hybrid ion unit A and another unit B, wherein said unit A comprises a betainic group and wherein said betainic group of said unit A is a sulfobetainic group, and in which said unit B is derived from vinylpyrrolidone, and in which in said copolymer said units A and B represent from 75% to 100%, in moles of the copolymer units. |