Advanced Chemical Technologies, Inc.

Advanced Chemical Technologies Company

Roy N Brown

Mike F Stout

Leo Garwin

Arnulf P Hagen

A luminescent compound, comprising a phosphor group or groups and an alkylalkoxysilane, and a luminescent composition comprising such luminescent compound and a radioactive substance to provide a source of exciting radiation for the luminescent compound in the composition. The present invention further comprises a method for rendering siliceous surfaces luminescent comprising applying the compound or composition to the surface and reacting the compound or composition with water after the compound or composition has migrated into the surface to hydrolyze the compound or composition. The present invention further comprises a luminescent structure having a siliceous surface incorporating the products of the reaction between the surface, water and the compound or composition of the present invention.

Luminescent silane

An improved method for inhibiting corrosion of internal structural members of reinforced concrete, such as the corrosion of reinforcing steel members in a concrete bridge deck or a concrete paved driving surface, due to salt migration into the reinforced concrete. In general, the method comprises applying an effective amount of a hydrolyzable organo silicon compound to the surface of the reinforced concrete to substantially cover the surface of the structure with the organo silicon, and contacting the resulting organo silicon coated surface, after a period of time effective to allow the organo silicon compound to migrate into the structure, with an effective amount of water to substantially wet the surface of the organo silicon impregnated structure.

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Edmond, OK, United States of America

Roy N Brown