| abstract |
1. A SILVER AND COPPER TARNISH PREVENTIVE AND POLISHING COMPOSITION COMPRISING: (A) AT LEAST ONE COMPOUND OF THE FORMULA HS-R-S-R'' WHEREIN R IS AN ALKYLENE GROUP AND R'' IS SELECTED FROM ALKYL, CYCLOALIPHATIC AND ALKARYL GROUPS WITH THE FURTHER PROVISO THAT THE COMPOUND CAN HAVE UP TO AND INCLUDING 35 CARBON ATOMS, SAID COMPOUND BEING PERSSENT IN AN AMOUNT FROM 1 TO 50 PERCENT BY WEIGHT, (B) AN ABRASIVE PRESENT IN AN AMOUNT FROM 5 TO 98 PERCENT BY WEIGHT, (C) A DILUENT PRESENT IN AN AMOUNT FROM 1 TO 90 PERCENT BY WEIGHT, (D) AN ODORIZER PRESENT IN AN AMOUNT FROM 0 TO 5 PER CENT BY WEIGHT, AND (E) A SUSPENDING AGENT IN AN AMOUNT FROM 0 TO 1 PERCENT BY WEIGHT. |