US Patent 7416714 Preparation of hydroxysodalite

Patent 7416714 was granted and assigned to Unimin on August, 2008 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

Unimin

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

74167140

Date of Patent

August 26, 2008

Patent Application Number

113910280

Date Filed

March 28, 2006

Patent Primary Examiner

‌

David M. Brunsman

Patent abstract

The invention is directed to a process and method for forming synthetic hydroxysodalite from nepheline and feldspar and/or nepheline syenite. A caustic material such as a solution of sodium hydroxide is combined with the nepheline and feldspar and/or nepheline syenite to form the synthetic hydroxysodalite.

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