Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – Heat drying process – or product thereof
Reexamination Certificate
2004-12-23
2011-12-20
Douyon, Lorna M (Department: 1761)
Cleaning compositions for solid surfaces, auxiliary compositions
Cleaning compositions or processes of preparing
Heat drying process, or product thereof
C510S443000, C510S444000, C510S452000, C510S495000
Reexamination Certificate
active
08080512
ABSTRACT:
Disclosed is a process for preparing a granular detergent composition or component having a bulk density of at least 500 g/l. The process disclosed herein comprises the steps of (i) providing an aqueous solution of a surfactant (ii) adding one or more water-soluble salts to the aqueous surfactant solution to precipitate the surfactant, (iii) separating the resulting precipitate, and (iv) drying the product.
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Matalon, R. “Precipitation of Sodium Dodecyl Sulfate from Aqueous Solution by the Addition of Sodium Chloride”, Memorial des Services Chimiques de l'Etat (1953), vol. 38 (No. 2), pp. 135-138. (Abstract Only).
Douyon Lorna M
J P Laboratories Pvt. Ltd.
Marshall & Gerstein & Borun LLP
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