Detergent compositions

Details Detergent compositions Detergent compositions

1986-05-23

1987-12-08

Lieberman, Paul

Compositions

Water-softening or purifying or scale-inhibiting agents

25217414, 25217425, 252DIG2, C11D 337

Patent

active

047117400

ABSTRACT:
A detergent composition containing a detergent active, sodium carbonate and calcite also contains a copolymer to reduce deposition of insoluble material on fabrics. The copolymer is derived from a carboxylic monomer and a non-carboxylic monomer, with the non-carboxylic monomer being in excess. A 3:1 copolymer of sulphonated styrene and maleic anhydride is exemplified.

REFERENCES:
patent: 4022702 (1977-05-01), Curtis
patent: 4076653 (1978-02-01), Davies et al.
patent: 4203859 (1980-05-01), Kirn et al.
patent: 4407722 (1983-10-01), Davies et al.
patent: 4473485 (1984-09-01), Greene
U.S. patent application Ser. No. 336,810 (Hollingsworth) filed 01/04/82, Equivalent to British Patent No. 2,109,398, (Unilever).

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