Curing materials and method for silicate coatings

Claim 1

THE METHOD OF CURING A SILICATE COATING INCLUDING A WATER-SOLUBLE ALKALI METAL SILICATE HAVING DISPERSED THEREIN AN ELECTROCONDUCTIVE PIGMENT COMPRISING APPLYING TO SAID COATNG A CHEMICAL CURING AGENT INCLUDING A WATER-ALCOHOL SOLUTION OF 4.5% TO 23% BY WEIGHT OF THE TOTAL SOLUTION OF A METALLIC SALT CAPABLE OF REACTING WITH SAID SOLUBLE SILICATE TO FORM AN INSOLUBLE METAL SILICATE, AND ACID PRESENT IN SAID SOLUTION IN AN AMOUNT OF ABOUT 20% TO 49% BY WEIGHT OF THE TOTAL SOLUTION FOR CONVERTING THE WATER SOLUBLE SILICATE TO AN INSOLUBLE GEL, SAID CURING AGENT INCLUDING ABOUT 0.5% TO 1% BY WEIGHT OF THE TOTAL SOLUTION OF AN INORGANIC METAL SALT FOR CONTROLLING THE RATE OF REACTION BETWEEN SAID ACID AND SAID SOLUBLE SILICATE BY CONTROLLING THE RELEASE OF ACID RADICALS, SAID METALLIC SALT BEING SELECTED FROM THE GROUP CONSISTING OF CHLORIDES AND SULPHATES OF CALCIUM, COBALT, MAGNESIUM, MANGANESE, MOLYBDENUM AND ZINC AMMONIUM SULPHATE, SAID ACID BEING SELECTED FROM THE GROUP CONSISTING OF NITRIC, SULPHURIC, HYDROCHLORIC, PHOSPHORIC, PHTHALIC, TARTARIC, ACETIC, CHLOROACETIC, MALEIC, MALONIC,FUMARIC BUTRIC, OXALIC, AND COMBINATIONS THEREOF, AND SAID INORGANIC METALLIC SALT BEING SELECTED FROM THE GROUP CONSISTING OF SODIUM AND POTASSIUM, CHROMATES, DICHROMATES, AND SODIUM AND POTASSIUM MOLYBDENATES, AND COMBINATIONS THEREOF.