Ultra fine nepheline syenite powder and products for using same

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United States of America Patent

PATENT NO 8858699
APP PUB NO 20080011190A1
SERIAL NO

11803093

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Nepheline syenite powder with a controlled particle size where 99.9% of the particles are less than 6 microns, which powder has a moisture content of less than 0.8% and an Einlehner Abrasive Value of less than 100 and products using this fine grain ultra fine nepheline syenite powder.

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Patent Owner(s)

Patent OwnerAddress
COVIA HOLDINGS CORPORATION3 SUMMIT PARK DRIVE SUITE 700 INDEPENDENCE OH 44131

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cangelosi, Frank Southbury, US 5 12
Janik, Jerry William Ontario, CA 14 19
Van, Remortel Scott Bakersville, US 14 13

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Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
11.5 Year Payment $7400.00 $3700.00 $1850.00 Apr 14, 2026
Fee Large entity fee small entity fee micro entity fee
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00