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Additive for reducing chromium (vi) ions to chromium (iii) ions

Title: Additive for reducing chromium (vi) ions to chromium (iii) ions.
Abstract: The invention relates to an additive for reducing Cr(VI) ions to Cr(III) ions, comprising a complex of tin(II) and a carboxylic acid or a salt thereof, and to the process for the preparation thereof. It also relates to a process for preparing a material having a low chromium(VI) content. Finally, it relates to the use of said additive for reducing chromium(VI) ions to chromium(III) ions. ...

- Chicago, IL, US
Inventors: Pierre-Antoine Andreani, Bruno Pellerin, Karen Ayme
USPTO Applicaton #: #20060234878 - Class: 508324000 (USPTO) - 10/19/06 - Class 508 
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Related Patent Categories: Solid Anti-friction Devices, Materials Therefor, Lubricant Or Separant Compositions For Moving Solid Surfaces, And Miscellaneous Mineral Oil Compositions, Lubricants Or Separants For Moving Solid Surfaces And Miscellaneous Mineral Oil Compositions (e.g., Water Containing, Etc.), Sulfurized Compound Of Indeterminate Structure, Which Is A Reaction Product Of An Organic Compound With Sulfur Halide, Elemental Sulfur, Or Metal Polysulfide, Hydrogen Sulfide Or A Salt Thereof Is Also Reacted With The Organic Compoud
The Patent Description & Claims data below is from USPTO Patent Application 20060234878, Additive for reducing chromium (vi) ions to chromium (iii) ions.

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US 20060234878 A1
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