US Patent 7163570 Chromatographic method of separating ruthenium from platinum group metals
Patent 7163570 was granted and assigned to Anglo American Platinum on January, 2007 by the United States Patent and Trademark Office.
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Patent Inventor Names
Richard Alasdair Grant0
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Patent abstract
A chromatographic separation method separates ruthenium from other platinum group metals in a feed solution, by converting the Ru to a nitrosyl complex, retaining the nitrosyl complex temporarily on the chromatography column and subsequently eluting Ru, for example using an oxidising or reducing eluent. FIG. 1 shows the elution profile obtained from a mixture of Rh chloro-complexes (Peak 1) and Ru nitrosyl species (Peak 2).
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US Patent 07163570 Chromatographic method of separating ruthenium from platinum group metals US Patent 7163570 Chromatographic method of separating ruthenium from platinum group metals
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Patent Number
071635700
Patent Number
71635700
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Patent Number
071635700
Date of Patent
January 16, 2007
0Patent Application Number
104157050
Date Filed
October 26, 2001
0Official Website
Patent Primary Examiner
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US Patent 07163570 Chromatographic method of separating ruthenium from platinum group metals
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Is a
Current assignee
Patent jurisdiction
Patent number
07163570
Date of patent
January 16, 2007
Patent application number
10415705
Date Filed
October 26, 2001
Patent primary examiner
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