<p>The present invention relates to a process for preparing a spray-dried detergent powder comprising: (i) detersive surfactant; (ii) polymer; and (iii) other detergent ingredients; wherein the process comprises the steps of: (a) forming an aqueous detergent slurry in a mixer; (b) transferring the aqueous detergent slurry from the mixer through at least one pump to a spray nozzle; (c) contacting a polymer to the aqueous detergent slurry after the mixer and before the spray nozzle to form a mixture; (d) spraying the mixture through the spray nozzle into a spray-drying tower; and (e) spray-drying the mixture to form a spray-dried powder.</p>
申请公布号
EP2338970(A1)
申请公布日期
2011.06.29
申请号
EP20090179930
申请日期
2009.12.18
申请人
THE PROCTER & GAMBLE COMPANY
发明人
CARDOZO, LARRY SAVIO;TANTAWY, HOSSAM HASSAN;LICKISS, JAMES ROBERT;SOMERVILLE ROBERTS, NIGEL PATRICK