Process for preparing needle-shaped crystal growth modified burk

Compositions – Water-softening or purifying or scale-inhibiting agents

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25217419, 25217424, C11D 310, C11D 712, C11D 337

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active

049004662

ABSTRACT:
Powders prepared by drying a slurry and suitable for use as detergent powders or components thereof contain (or consist of) sodium carbonate and/or the sodium carbonate/sodium sulphate double salt Burkeite the crystal forms of which have been modified by means of a low level of an organic polycarboxylate. The powders are able to absorb and retain very high levels of liquid components such as nonionic surfactants.

REFERENCES:
patent: 4303556 (1981-12-01), Llenado
patent: 4510066 (1985-04-01), Saar
patent: 4617139 (1986-10-01), Robb et al.
patent: 4707290 (1987-11-01), Seiter et al.
patent: 4818424 (1989-04-01), Evans et al.
patent: 4820441 (1989-04-01), Evans et al.

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