Figure i

Claim 1

THE METHOD OF PROVIDING ARTILCES HAVING AT LEAST ONE REFLECTIVE METAL SURFACE WITH A PROTECTIVE COATING ON SAID SURFACE COMPRISING DISSOLVING IN WATER FROM ABOUT 83% TO ABOUT 92% OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL HYDROXIDE AND AMMONIUM HYDROXIDE, FROM ABOUT 8% TO ABOUT 17% OF A METLLIC COMPOUND CAPABLE OF FORMING A COHERENT, ADHERENT COATING OF CHEMICALLY DEPOSITED OXIDE AND SELECTED FROM THE GROUP CONSISTING OF THE OXIDES AND SALTS OF ALUMINUM, LEAD, THALLIUM, TIN, AND ZINC, SOLUBLE IN AN AQUEOUS SOLUTION OF SAID HYDROXIDE, SAID METALLIC COMPOUND SAID HYDROXIDE, AND SAID WATER BEING PRESENT IN THE PROPORTIONS OF ABOUT 225 G. OF METALLIC COMPOUND AND HYDROXIDE MIXTURE, AND FROM ABOUT 0.5 TO ABOUT 1.5 KG OF WATER, AGING THE RESULTING SOLUTION FOR FROM 1 TO 3 WEEK DILUTING THE AGED SOLUTION TO FROM 5 TO 20 TIMES ITS ORIGINAL VOLUME, COVERING THE REFLECTIVE METAL SURFACE OF AN ARTICLES WITH THE DILUTED SOLUTION, HEATING THE DILUTED SOLUTION COVERING SUCH SURFACE TO A TEMPERATURE NOT IN EXCESS, OF 70 C. TO INDUCE SAID COHERENT ADHERENT DEPOSITION THEREUPON REMOVING THE ARTICLE FROM THE SOLUTION, RINSING, DRYING, AND FINALLY BAKING SAID ARTICLE CONTAINING SAID COATING.

Claim 2

THE METHOD OF PROVIDING ARTILCES HAVING AT LEAST ONE REFLECTIVE METAL SURFACE WITH A PROTECTIVE COATING ON SAID SURFACE COMPRISING DISSOLVING IN WATER FROM ABOUT 83% TO ABOUT 92% OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL HYDROXIDE AND AMMONIUM HYDROXIDE, FROM ABOUT 8% TO ABOUT 17% OF A METLLIC COMPOUND CAPABLE OF FORMING A COHERENT, ADHERENT COATING OF CHEMICALLY DEPOSITED OXIDE AND SELECTED FROM THE GROUP CONSISTING OF THE OXIDES AND SALTS OF ALUMINUM, LEAD, THALLIUM, TIN, AND ZINC, SOLUBLE IN AN AQUEOUS SOLUTION OF SAID HYDROXIDE, SAID METALLIC COMPOUND SAID HYDROXIDE, AND SAID WATER BEING PRESENT IN THE PROPORTIONS OF ABOUT 225 G. OF METALLIC COMPOUND AND HYDROXIDE MIXTURE, AND FROM ABOUT 0.5 TO ABOUT 1.5 KG OF WATER, AGING THE RESULTING SOLUTION FOR FROM 1 TO 3 WEEK DILUTING THE AGED SOLUTION TO FROM 5 TO 20 TIMES ITS ORIGINAL VOLUME, COVERING THE REFLECTIVE METAL SURFACE OF AN ARTICLES WITH THE DILUTED SOLUTION, HEATING THE DILUTED SOLUTION COVERING SUCH SURFACE TO A TEMPERATURE NOT IN EXCESS, OF 70 C. TO INDUCE SAID COHERENT ADHERENT DEPOSITION THEREUPON REMOVING THE ARTICLE FROM THE SOLUTION, RINSING, DRYING, AND FINALLY BAKING SAID ARTICLE CONTAINING SAID COATING.