Title: Process for improving the stability and shaping of anhydrous sodium metasilicate, and the products, and compositions containing same

Abstract: The invention concerns a process for improving the stability and form of substantially anhydrous sodium metasilicate, and the compositions containing same, and the resulting products. According to the invention, sodium metasilicate is treated with a phosphoric compound. The present invention is used in particular for detergent compositions.

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Inventors: Vrisakis, Georges (Collonges-Au-Mon-D'Or, FR)

Application Number: 584754
Filing Date: 1975-06-09
Publication_date: 1976-12-07
Assignee: Societe Francaise des Silicates Speciauz "SIFRANCE" (Courbevoie, FR)
Primary Class(es): 427/215 252/385, 510/512
Other Classes:
US Patent Ref:

2365215	Dec, 1944	Rhodes	252/135.
3285859	Nov, 1966	Jelen	252/135.
3630928	Dec, 1971	Fuchs	252/135.
3783008	Jan, 1974	Weldes et al.	252/135.
3819526	Jun, 1974	Pierce et al.	252/135.

Other Refs:
Primary Examiner: Pitlick, Harris A.
Assistant Examiner:
Attorney: McDougall, Hersh & Scott