Hydrophobic sand treated with wax blend

Details Hydrophobic sand treated with wax blend Hydrophobic sand treated with wax blend

2007-01-09

2007-01-09

Brunsman, David M. (Department: 1755)

Compositions: coating or plastic

Coating or plastic compositions

Wax containing

C106S271000

Reexamination Certificate

active

11401306

ABSTRACT:
A method for making hydrophobic sand including coating sand with a wax blend so as to form a coated sand with advanced hydrophobic properties, wherein a weight ratio of the wax blend to total coated sand weight is about 0.05%–10%, and the wax blend includes a weight ratio of about 50.01% to 99.99% of a main wax, and about 49.99% to 0.01% of a secondary wax.

REFERENCES:
patent: 3108441 (1963-10-01), Watson
patent: 4925493 (1990-05-01), Lamoreaux
patent: 5405225 (1995-04-01), Bilkenroth et al.
patent: 5711795 (1998-01-01), Browning
patent: 5972101 (1999-10-01), Korniat et al.
patent: 6235070 (2001-05-01), Beermann
patent: 6821332 (2004-11-01), Hubbs

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