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. 23, 2004
Filed:
Feb. 26, 2002
Applicant:
Inventors:
Robert Richard Dykstra, Cleves, OH (US);
Patti Jean Kellett, Cincinnati, OH (US);
Assignee:
Procter & Gamble Company, Cincinnati, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D 3/26 ; C11D 3/39 ; C11D 3/395 ;
U.S. Cl.
CPC ...
C11D 3/26 ; C11D 3/39 ; C11D 3/395 ;
Abstract
The present invention relates to zwitterionic organic catalyst compound bleach systems and methods for using such bleach systems to increase color safety during laundering of fabrics, especially colored fabrics.