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:
Jun. 22, 2004
Filed:
Jul. 11, 2001
Applicant:
Inventors:
Rajan Keshav Panandiker, West Chester, OH (US);
Sherri Lynn Randall, Hamilton, OH (US);
Janet Sue Littig, Fairfield, OH (US);
Eugene Paul Gosselink, Cincinnati, OH (US);
David William Bjorkquist, Wyoming, OH (US);
Assignee:
The Procter & Gamble Company, Cincinnati, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D 3/37 ;
U.S. Cl.
CPC ...
C11D 3/37 ;
Abstract
A detergent composition comprising from about 4% to about 70% of a surfactant, and from about 0.05% to about 10% of a dye maintenance polymer or oligomer having at least three net positive chages per molecule. The dye maintenance polymer should have a Dye Maintenance Parameter, as determined by the Dye Maintenance Parameter Test defined herein, of greater than about 0.23. Further, the dye maintenance polymer is not a polyethyleneimine or alkoxylated derivative thereof.