The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 29, 2013
Filed:
Dec. 15, 2010
Larry Savio Cardozo, Newcastle upon Tyne, GB;
Hossam Hassan Tantawy, Northumberland, GB;
James Robert Lickiss, Northumberland, GB;
Nigel Patrick Somerville Roberts, Newcastle upon Tyne, GB;
Larry Savio Cardozo, Newcastle upon Tyne, GB;
Hossam Hassan Tantawy, Northumberland, GB;
James Robert Lickiss, Northumberland, GB;
Nigel Patrick Somerville Roberts, Newcastle upon Tyne, GB;
The Procter & Gamble Company, Cincinnati, OH (US);
Abstract
A process for preparing a spray-dried detergent powder having: (i) detersive surfactant; and (ii) other detergent ingredients; wherein the process has the steps of: (a) dosing an aqueous detergent slurry into a drop tank; (b) transferring the aqueous detergent slurry from the drop tank to a pipe, and transferring the aqueous detergent slurry along the pipe through at least one pump to a spray nozzle; (c) contacting a detergent ingredient to the aqueous detergent slurry in the pipe 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, wherein the ratio of (i) the volume of the pipe of step (b) in liters to (ii) the volume of the drop tank of step (a) in liters is less than 1:1.