Philip J Pisani

US Patent:

56676964, Sep 16, 1997

Filed:

Mar 11, 1996

Appl. No.:

8/614960

Inventors:

Michael Kell Studer - Flower Mound TX
Philip J. Pisani - Irving TX

Assignee:

Entact, Inc. - Irving TX

International Classification:

C02F 162

US Classification:

210702

Abstract:

This invention relates to the treatment of lead based paint mixtures by treating the lead based paint mixture with an additive from the group consisting of phosphoric acid, monocalcium phosphate, monoammonium phosphate and diammonium phosphate, either alone or in combination with Portland Cement.

US Patent:

57886237, 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.

US Patent:

59317736, Aug 3, 1999

Filed:

Jun 2, 1997

Appl. No.:

8/867585

Inventors:

Philip J. Pisani - Irving 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 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; polyphosphoric acid; phosphoric acids; salts of phosphoric acids; P. sub. 2 O. sub. 5 ; phosphate rock; monoammonium phosphate; disodium hydrogen phosphate; trisodium phosphate; water soluble phosphate; Fe(II); Fe(III); Al(III); chloride; Fe(NO. sub. 3). sub. 3 ; FeSO. sub. 4 ; Fe. sub. 2 (SO. sub. 4). sub. 3 ; FeCl. sub. 3 ; Al. sub. 2 (SO. sub. 4). sub. 3 ; Al. sub. 2 O. sub. 3 ; aluminosilicate; calcium sulfate; gypsum; sulfuric acid; alum; trisodium phosphate; potassium phosphate; monobasic, dibasic and tribasic calcium phosphates; lime; halites; sulphates of iron; sulphates of aluminum; pyrophosphates and potassium phosphates.