Chlorine-free machine dishwashing

Details Chlorine-free machine dishwashing Chlorine-free machine dishwashing

1991-08-12

1993-08-03

Lieberman, Paul

Compositions

Water-softening or purifying or scale-inhibiting agents

252135, 252156, 25217414, 25217425, 252DIG2, 134 252, C11D 337, C11D 304, C11D 312, B08B 308

Patent

active

052326225

ABSTRACT:
This invention relates to chlorine-free machine dishwashing detergent compositions that provide cleaning as effective as conventional chlorine containing machine dishwashing compositions. More specifically, this invention relates to dishwashing detergent compositions containing copolymers formed from maleic acid, maleic anhydride, or salts thereof, and a copolymerizable hydrophobic monomer, oligomer or polymer, containing from 4 to 20 carbon atoms. Another aspect of the invention is a chlorine-free machine dishwashing detergent containing low levels of, or no phosphate.

REFERENCES:
patent: 4347168 (1982-08-01), Murphy et al.
patent: 4457856 (1984-07-01), Mitchell et al.
patent: 4687592 (1987-08-01), Collins et al.
patent: 4689167 (1987-08-01), Collins et al.
patent: 4906397 (1990-03-01), Leighton et al.

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