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:
Nov. 04, 2008
Filed:
Dec. 03, 2004
Eugene Steven Sadlowski, Cincinnati, OH (US);
Vincent John Becks, Hamilton, OH (US);
Yousef Georges Aouad, Cincinnati, OH (US);
Jean Wevers, Steenhuffel, BE;
Eugene Steven Sadlowski, Cincinnati, OH (US);
Vincent John Becks, Hamilton, OH (US);
Yousef Georges Aouad, Cincinnati, OH (US);
Jean Wevers, Steenhuffel, BE;
The Procter & Gamble Company, Cincinnati, OH (US);
Abstract
Provided is a method of laundering fabrics in an automatic washing machine having a drum, wherein the automatic washing machine is operated so as to cause it to run through at least one wash cycle and at least one rinse cycle, which method comprises: during the at least one wash cycle forming in the drum an aqueous washing liquor containing a detersive surfactant component and a detergent builder component, the aqueous wash liquor having pH above about 7; contacting fabrics to be laundered with the aqueous wash liquor in the drum; during the rinse cycle, forming in the drum an aqueous rinse liquor and contacting the fabrics with the rinse liquor; and adding to the rinse liquor sufficient acid source to bring the pH of the rinse liquor into the range of from about 4 to about 7.