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List of Elkem patents

Patents where

Current Assignee

Name

Elkem

Name	Description	Patent Applicant	Current Assignee	Patent Jurisdiction	Patent Number	Date of Patent
‌ US Patent 7901561 Method for electrolytic production and refining of metals	Patent 7901561 was granted and assigned to Elkem on March, 2011 by the United States Patent and Trademark Office.		Elkem	United States Patent and Trademark Office	7901561	March 8, 2011
‌ US Patent 7504010 Anode for electrolysis of aluminum	Patent 7504010 was granted and assigned to Elkem on March, 2009 by the United States Patent and Trademark Office.		Elkem	United States Patent and Trademark Office	7504010	March 17, 2009
‌ US Patent 11299436 NPK-Si fertilizer, method for production and use thereof	Patent 11299436 was granted and assigned to Elkem on April, 2022 by the United States Patent and Trademark Office.	Elkem	Elkem	United States Patent and Trademark Office	11299436	April 12, 2022
‌ US Patent 11322741 Silicon powder for use in anodes for lithium-ion batteries and method for production of silicon powder		Elkem	Elkem	United States Patent and Trademark Office	11322741	May 3, 2022
‌ US Patent 11542578 Silicon based alloy, method for the production thereof and use of such alloy		Elkem	Elkem	United States Patent and Trademark Office	11542578	January 3, 2023
‌ US Patent 11486012 Cast iron inoculant and method for production of cast iron inoculant	Patent 11486012 was granted and assigned to Elkem on November, 2022 by the United States Patent and Trademark Office.	Elkem	Elkem	United States Patent and Trademark Office	11486012	November 1, 2022
‌ US Patent 11708618 Cast iron inoculant and method for production of cast iron inoculant	Patent 11708618 was granted and assigned to Elkem on July, 2023 by the United States Patent and Trademark Office.	Elkem	Elkem	United States Patent and Trademark Office	11708618	July 25, 2023
‌ US Patent 11479828 Cast iron inoculant and method for production of cast iron inoculant		Elkem	Elkem	United States Patent and Trademark Office	11479828	October 25, 2022
‌ US Patent 11486011 Cast iron inoculant and method for production of cast iron inoculant	Patent 11486011 was granted and assigned to Elkem on November, 2022 by the United States Patent and Trademark Office.	Elkem	Elkem	United States Patent and Trademark Office	11486011	November 1, 2022
‌ US Patent 11021412 Fertilizer comprising bioavailable Si and method for production thereof	Patent 11021412 was granted and assigned to Elkem on June, 2021 by the United States Patent and Trademark Office.	Elkem	Elkem	United States Patent and Trademark Office	11021412	June 1, 2021
‌ US Patent 9388051 Method for production of trichlorosilane and silicon for use in the production of trichlorosilane	Patent 9388051 was granted and assigned to Elkem on July, 2016 by the United States Patent and Trademark Office.		Elkem	United States Patent and Trademark Office	9388051	July 12, 2016
‌ US Patent 7931883 Silicon feedstock for solar cells	Patent 7931883 was granted and assigned to Elkem on April, 2011 by the United States Patent and Trademark Office.		Elkem	United States Patent and Trademark Office	7931883	April 26, 2011
‌ US Patent 7879130 Calcium-silicate based slag for treatment of molten silicon	Patent 7879130 was granted and assigned to Elkem on February, 2011 by the United States Patent and Trademark Office.		Elkem	United States Patent and Trademark Office	7879130	February 1, 2011
‌ 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.		Elkem	United States Patent and Trademark Office	7918916	April 5, 2011
‌ US Patent 7854784 Calcium-silicate based slag for treatment of molten silicon	Patent 7854784 was granted and assigned to Elkem on December, 2010 by the United States Patent and Trademark Office.		Elkem	United States Patent and Trademark Office	7854784	December 21, 2010
‌ US Patent 8729172 High performance engineering plastics and additive for use in engineering plastics	Patent 8729172 was granted and assigned to Elkem on May, 2014 by the United States Patent and Trademark Office.		Elkem	United States Patent and Trademark Office	8729172	May 20, 2014
‌ US Patent 8876968 Cement composition based on calcium aluminate cement	Patent 8876968 was granted and assigned to Elkem on November, 2014 by the United States Patent and Trademark Office.		Elkem	United States Patent and Trademark Office	8876968	November 4, 2014
‌ US Patent 8668772 Slurry of manganomanganic oxide particles and method for the production of slurry	Patent 8668772 was granted and assigned to Elkem on March, 2014 by the United States Patent and Trademark Office.		Elkem	United States Patent and Trademark Office	8668772	March 11, 2014
‌ US Patent 8962537 Oil well drilling fluids, oil well cement composition and slurry of weighting material	Patent 8962537 was granted and assigned to Elkem on February, 2015 by the United States Patent and Trademark Office.		Elkem	United States Patent and Trademark Office	8962537	February 24, 2015
‌ US Patent 9738540 Process for the production of aluminium oxide particles	Patent 9738540 was granted and assigned to Elkem on August, 2017 by the United States Patent and Trademark Office.	Elkem	Elkem	United States Patent and Trademark Office	9738540	August 22, 2017
‌ US Patent 11254622 NPK-Si-humate fertilizer, method for production and use thereof	Patent 11254622 was granted and assigned to Elkem on February, 2022 by the United States Patent and Trademark Office.	Elkem	Elkem	United States Patent and Trademark Office	11254622	February 22, 2022
‌ US Patent 10131997 Method for the production of graphite bodies	Patent 10131997 was granted and assigned to Elkem on November, 2018 by the United States Patent and Trademark Office.		Elkem	United States Patent and Trademark Office	10131997	November 20, 2018
‌ US Patent 10011496 Process for the production of silicon dioxide particles	Patent 10011496 was granted and assigned to Elkem on July, 2018 by the United States Patent and Trademark Office.	Elkem	Elkem	United States Patent and Trademark Office	10011496	July 3, 2018
‌ US Patent 10392678 Energy efficient integrated process for production of metals or alloys	Patent 10392678 was granted and assigned to Elkem on August, 2019 by the United States Patent and Trademark Office.	Elkem	Elkem	United States Patent and Trademark Office	10392678	August 27, 2019
‌ US Patent 8585819 Aqueous slurry of amorphous silica and method for its production	Patent 8585819 was granted and assigned to Elkem on November, 2013 by the United States Patent and Trademark Office.		Elkem	United States Patent and Trademark Office	8585819	November 19, 2013

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