US Patent 7291202 Process for mutual separation of platinum group metals
Patent 7291202 was granted and assigned to Sumitomo Metal Mining Co., Ltd. on November, 2007 by the United States Patent and Trademark Office.
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Patent abstract
A process for mutual separation of platinum group metals (PGM), wherein highly stable compounds and steps are used to efficiently remove impurity elements while preventing increase of impurity content relative to that of the PGM in the mother liquor and also preventing decomposition of a chloro complex, and palladium, platinum, iridium, ruthenium and rhodium are separated mutually in such a way that each of the separated PGM has a sufficient purity to be a commercial product.
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US Patent 07291202 Process for mutual separation of platinum group metals US Patent 7291202 Process for mutual separation of platinum group metals
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Patent Number
0729120200
Patent Number
729120200
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Official Website
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
072912020
Date of Patent
November 6, 2007
0Patent Application Number
109447530
Date Filed
September 21, 2004
0Official Website
Patent Primary Examiner
Edits on 24 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
072912020
Date of Patent
November 6, 2007
0Patent Application Number
109447530
Date Filed
September 21, 2004
0Official Website
Patent Primary Examiner
Edits on 17 Jun, 2022
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Edits on 23 Nov, 2021
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US Patent 07291202 Process for mutual separation of platinum group metals
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07291202
Date of patent
November 6, 2007
Patent application number
10944753
Date Filed
September 21, 2004
Patent primary examiner
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