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US Patent 7918916 Calcium-silicate based slag for treatment of molten steel

Patent 7918916 was granted and assigned to Elkem on April, 2011 by the United States Patent and Trademark Office.

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Patent abstract

The present invention relates to a calcium-silicate based slag having a phosphorus content of less than 3 ppmw. The invention further relates to a method for producing low phosphorus calcium-silicate based slag, where molten calcium-silicate based slag is treated with a molten ferrosilicon alloy in a vessel, whereby phosphorus in the calcium-silicate based slag is transferred to the ferrosilicon alloy, and a low phosphorus calcium-silicate based slag is removed from the vessel.

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Patent Inventor Names
Erik Enebakk0
Gabriella Maria Tranell0
Ragnar Tronstad0
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=079189160
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US Patent 07918916 Calcium-silicate based slag for treatment of molten steel US Patent 7918916 Calcium-silicate based slag for treatment of molten steel

Infobox
Patent Number
079189160
Patent Number
79189160
Edits on 27 Sep, 2022
"Entity importer update"
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Golden AI
edited on 27 Sep, 2022
Infobox
Is a
Patent
Patent
0
Current Assignee
Elkem
Elkem
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
079189160
Date of Patent
April 5, 2011
0
Patent Application Number
105155830
Date Filed
March 17, 2003
0
Official Website
https://pdfpiw.uspto.gov/.piw?Docid=079189160
Patent Primary Examiner
‌
George Wyszomierski
0
Edits on 19 Jun, 2022
"Entity importer update"
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edited on 19 Jun, 2022
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Infobox (+1 properties)
Infobox
Website URL
https://pdfpiw.uspto.gov/.piw?Docid=07918916
Edits on 7 Dec, 2021
"Created via: Entity Importer"
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created this topic on 7 Dec, 2021
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 US Patent 07918916 Calcium-silicate based slag for treatment of molten steel

Infobox
Is a
Patent
Patent
Current assignee
Elkem
Elkem
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
07918916
Date of patent
April 5, 2011
Patent application number
10515583
Date Filed
March 17, 2003
Patent primary examiner
‌
George Wyszomierski

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