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Sherry D Pierce, 523930 Accent Dr APT 1924, Dallas, TX 75287

Sherry Pierce Phones & Addresses

3930 Accent Dr APT 1924, Dallas, TX 75287   

Fort Worth, TX   

Addison, TX   

808 Bluffcreek Ln APT 121, Arlington, TX 76006    817-2778187   

Locke, NY   

Lockney, TX   

Dinero, TX   

Mentions for Sherry D Pierce

Publications & IP owners

Us Patents

Method For Treatment Of Solid Waste To Minimize Permeability Of The Waste

US Patent:
5591116, Jan 7, 1997
Filed:
Jun 9, 1995
Appl. No.:
8/488946
Inventors:
Sherry A. Pierce - Dallas TX
Assignee:
Entact Corporation - Irving TX
International Classification:
A62D 300
B09B 300
US Classification:
588256
Abstract:
This invention relates to the treatment of contaminated materials including soils and solids to reduce its permeability, and in particular to chemical treatment of waste or solids containing high levels of heavy metals such as lead, by treating the waste or solid with an additive such as monocalcium phosphate either alone or in combination with Portland Cement.

Method For Treatment Of Solid Waste To Minimize Permeability Of The Waste

US Patent:
5788623, Aug 4, 1998
Filed:
Mar 15, 1996
Appl. No.:
8/617481
Inventors:
Michael Kell Studer - Flower Mound TX
Philip J. Pisani - Irving TX
Sherry A. Pierce - Dallas TX
Assignee:
Entact, Inc. - Dallas TX
International Classification:
A62D 300
B09B 300
US Classification:
588256
Abstract:
This invention relates to the treatment of contaminated materials including soils and solids to reduce its permeability, and in particular to chemical treatment of waste or solids containing high levels of heavy metals such as lead, by treating the waste or solid with a single additive or combination of additives including calcium carbonate; reactive magnesium carbonate; reactive calcium magnesium carbonate; magnesium oxide; magnesium hydroxide; ammonium phosphate; diammonium phosphate; phosphoric acid; boric acid; metallic iron; polyphosphoric acid; sodium carbonate; sodium bicarbonate; calcium oxide; calcium hydroxide; sodium hydrogen phosphate; triple super phosphate (TSP); superphosphate and polyphosphoric acid.

Method For Treatment Of Solid Waste To Minimize Heavy Metals

US Patent:
5674176, Oct 7, 1997
Filed:
Oct 7, 1996
Appl. No.:
8/726622
Inventors:
Sherry Ann Pierce - Dallas TX
Assignee:
Entact, Inc. - Irving TX
International Classification:
A62D 300
B09B 300
US Classification:
588256
Abstract:
This invention relates to the treatment of contaminated materials including soils and solids, and in particular to chemical treatment of waste or solids containing high levels of heavy metals such as lead, by treating the waste or solid with an additive from the group consisting of phosphoric acid, monocalcium phosphate monammonium phosphate and diammonium phosphate either alone or in combination with Portland cement.

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