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. 23, 2009
Filed:
Oct. 04, 2005
Applicants:
Giorgia Sgargetta, Cannara, IT;
Stacie Ellen Hecht, West Chester, OH (US);
Jichun Shi, Liberty Township, OH (US);
Mark Robert Sivik, Mason, OH (US);
Donald Leroy Wilke, Mason, OH (US);
Inventors:
Giorgia Sgargetta, Cannara, IT;
Stacie Ellen Hecht, West Chester, OH (US);
Jichun Shi, Liberty Township, OH (US);
Mark Robert Sivik, Mason, OH (US);
Donald Leroy Wilke, Mason, OH (US);
Assignee:
The Procter & Gamble Company, Cincinnati, OH (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a composition with a metal-complexing dye and surfactant for giving a color change when in contact with selected metal ions.