Oligodynamic silver solution and process of rendering a surface microbicidal

Claim 2

A CLEAR AQUEOUS SOLUTION FOR CO-DEPOSITING, ON THE SURFACE OF AN ARTICLE, A SPARINGLY WATER-SOLUBLE SILVER SALT TO RENDER SAID SURFACE LETHAL TO BACTERIA COMING IN CONTACT THEREWITH AND A SUBSTANTIALLY WATER-INSOLUBLE SALT OF A METAL OTHER THAN SILVER TO PREVENT DISCOLORATION OF SAID SILVER SALT, SAID SOLUTION HAVING DISSOLVED THEREIN A SILVER SALT, A WATER-SOLUBLE, VOLATILE BASIC NITROGEN COMPOUND, A PORTION OF WHICH IS COMBINED WITH THE SILVER OF SAID SILVER SALT TO FORM SILVER AMMINO CATIONS, A SALT WHICH FURNISHES CATIONS OF SAID SUBSTANTIALLY WATER-INSOLUBLE SALT OF SAID OTHER METAL, A SALT WHICH FURNISHES ANIONS CAPABLE OF FORMING A SILVER SALT HAVING A SOLUBILITY IN WATER FROM 0.00002 TO 0.5% BY WEIGHT, AND A SALT WHICH FURNISHES ANIONS OF SAID SUBSTANTIALLY WATER-INSOLUBLE SALT OF SAID OTHER METAL.

Claim 3

A PROCESS FOR CO-DEPOSITING, ONTHE SURFACE OF AN ARTICLE, A SPARINGLY WATER-SOLUBLE SILVER SALT TO RENDER SAID SURFACE LETHAL TO BACTERIA COMING IN CONTACT THEREWITH AND A SUBSTANTIALLY WATER-INSOLUBLE SALT OF A METAL OTHER THAN SILVER TO PREVENT DISCOLORATION SAID SILVER SALT, WHICH PROCESS CONSISTS OF WETTING THE SURFACE OF SAID ARTICLE WITH AN AQUEOUS SOLUTION HAVING DISSOLVED THEREIN A SILVER SALT, A WATER-SOLUBLE, VOLATILE BASIC NITROGEN COMPOUND, A PORTION OF WHICH IS COMBINED WITH THE SILVER OF SAID SILVER SALT TO FORM SILVER AMMONIO CATIONS, A SALT WHICH FURNISHES CATIONS OF SAID SUBSTANTIALLY WATER-INSOLUBLE SALT OF SAID OTHER METAL, A SALT WHICH FURNISHES ANOINS CAPABLE OF OFRMING A SILVER SALT HAVING A SOLUBILITY IN WATER FROM 0.00002 TO 0.5% BY WEIGHT, AND A SALT WHICH FURNISHES ANIONS OF SAID SUBSTANTIALLY WATER-SOLUBLE SALT OF SAID OTHER METAL; AND DRYING THE ARTICLE SO-WETTED TO CO-DEPOSIT THE SPARINGLY WATER-INSOLUBLE SILVER COMPOUND AND THE SUBSTANTIALLY WATER-INSOLUBLE SALT OF SAID OTHER METAL ON THE SURFACE IN TIGHTLY ADHERENT, BACTERICIDALLY ACTIVE FORM.

Claim 4

A PROCESS FOR CO-DEPOSITING, ONTHE SURFACE OF AN ARTICLE, A SPARINGLY WATER-SOLUBLE SILVER SALT TO RENDER SAID SURFACE LETHAL TO BACTERIA COMING IN CONTACT THEREWITH AND A SUBSTANTIALLY WATER-INSOLUBLE SALT OF A METAL OTHER THAN SILVER TO PREVENT DISCOLORATION SAID SILVER SALT, WHICH PROCESS CONSISTS OF WETTING THE SURFACE OF SAID ARTICLE WITH AN AQUEOUS SOLUTION HAVING DISSOLVED THEREIN A SILVER SALT, A WATER-SOLUBLE, VOLATILE BASIC NITROGEN COMPOUND, A PORTION OF WHICH IS COMBINED WITH THE SILVER OF SAID SILVER SALT TO FORM SILVER AMMONIO CATIONS, A SALT WHICH FURNISHES CATIONS OF SAID SUBSTANTIALLY WATER-INSOLUBLE SALT OF SAID OTHER METAL, A SALT WHICH FURNISHES ANOINS CAPABLE OF OFRMING A SILVER SALT HAVING A SOLUBILITY IN WATER FROM 0.00002 TO 0.5% BY WEIGHT, AND A SALT WHICH FURNISHES ANIONS OF SAID SUBSTANTIALLY WATER-SOLUBLE SALT OF SAID OTHER METAL; AND DRYING THE ARTICLE SO-WETTED TO CO-DEPOSIT THE SPARINGLY WATER-INSOLUBLE SILVER COMPOUND AND THE SUBSTANTIALLY WATER-INSOLUBLE SALT OF SAID OTHER METAL ON THE SURFACE IN TIGHTLY ADHERENT, BACTERICIDALLY ACTIVE FORM.