US Patent 7915188 Ultrafine nepheline syenite
Patent 7915188 was granted and assigned to Unimin on March, 2011 by the United States Patent and Trademark Office.
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Patent abstract
A useable particulate nepheline syenite having a grain size to provide an Einlehner Abrasive Value of less than about 100 is described. The particulate nepheline syenite is generally free from agglomeration and moisture free. At least 99% of the nepheline syenite particles have a size less than 10 microns. In practice, the nepheline syenite grain size is less than about 5 microns and the distribution profile of the particulate system is generally 4-5 microns.
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Patent Inventor Names
Jerry William Janik0
Scott Van Remortel0
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US Patent 07915188 Ultrafine nepheline syenite US Patent 7915188 Ultrafine nepheline syenite
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Patent Number
079151880
Patent Number
79151880
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Official Website
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Is a
Current Assignee
Patent Jurisdiction
Patent Number
079151880
Date of Patent
March 29, 2011
0Patent Application Number
120806550
Date Filed
April 4, 2008
0Official Website
Patent Primary Examiner
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US Patent 07915188 Ultrafine nepheline syenite
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07915188
Date of patent
March 29, 2011
Patent application number
12080655
Date Filed
April 4, 2008
Patent primary examiner
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