Block detergent containing nitrilotriacetic acid

Details Block detergent containing nitrilotriacetic acid Block detergent containing nitrilotriacetic acid

1994-07-22

1995-05-30

Skane, Christine

Compositions

Water-softening or purifying or scale-inhibiting agents

252 891, 252 90, 252135, 252136, 252156, 25217414, 25217419, 252527, C11D 1702, C11D 333

Patent

active

054198500

ABSTRACT:
A phosphate-free, solid, block detergent containing an alkali metal salt of nitrilotriacetic acid, an acid, alkali metal containing hydroxides and silicates, and alkali metal containing carbonates and sulfates is taught. A process for producing the block detergent is also taught.

REFERENCES:
patent: 2412819 (1946-12-01), MacMahon
patent: 4702857 (1987-10-01), Gosselink
patent: 4753755 (1988-06-01), Gansser
patent: 4911856 (1990-03-01), Lokkesmoe et al.
patent: 5205960 (1993-04-01), Kristopeit et al.

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