Methods for removing silver-oxide

Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – For cleaning a specific substrate or removing a specific...

Reexamination Certificate

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C510S202000, C510S508000, C510S509000, C134S041000

Reexamination Certificate

active

06846788

ABSTRACT:
The present invention is directed to compositions for removing silver soil from the surface of objects. These compositions contain a reducing agent, and an alkaline source, and may optionally contain various other components including a chelating agent, cleaning agent, filler, an anti-corrosion agent, a defoaming agent, an odorant, a dye, an antioxidant, or a bleaching agent. Methods of using the compositions are also disclosed, wherein the object to be cleaned is contacted with the composition and the object is then washed with an aqueous solution.

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