Patents

Patents

In accordance with Section 287(a) of Title 35 of the United States Code, U.S. Silica Company¹˒² provides the following notice of its rights in the United States Patents listed on this site and associated with the following products.

White Armor® – all grades

8,865,303

9,303,407

9,714,512

10,145,115

11,479,675

11,846,098

 

White Armor® – Select Plus grades

10,704,262

11,649,633

 

Celatom® – FP-1, FP-1X, FP4 and FW12

8,084,392

 

CC – all grades; F – all grades other than F100 and those with an “X” designation

7,582,320

 

PurifiDE®

11,633,713

 


¹Including its subsidiaries, EP Minerals, LLC and EP Engineered Clays Corporation

²Patent information for SandBox®, a U.S. Silica Company found at: https://sandboxlogistics.com/patents.php 

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