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:
Sep. 14, 2004
Filed:
Oct. 15, 2002
Applicant:
Inventors:
Thomas Bechtold, Dornbirn, AT;
Eduard Burtscher, Bludenz, AT;
Wolfgang Schrott, Böhl-Iggelheim, DE;
Norbert Grund, Ludwigshafen, DE;
Peter Maier, Stuttgart, DE;
Georg Schnitzer, Nürnberg, DE;
Franz Sütsch, Rödersheim-Gronau, DE;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06P 1/30 ; D06P 1/22 ;
U.S. Cl.
CPC ...
D06P 1/30 ; D06P 1/22 ;
Abstract
Mediator systems obtainable by mixing a salt of an electrochemically active complexing metal (M1) capable of forming a plurality of valence states with a hydroxyl-containing complexing agent, which may likewise be present as salt, and with a salt of an electrochemically inactive complexing metal (M2) in an alkaline aqueous medium, wherefor the molar ratio of metal ion M2 to metal ion M1 is from 0.8:1 to 2:1 are useful for reducing dyes and dyeing cellulosic textile material.