Patent ID: 9263245
Filing Date: 2016-02-16
CPC Classification: C22C,H01J,Y10T

Claim Text:
1. An amalgam ball which is coated with an alloy powder, wherein the alloy powder has a composition of silver (Ag) from 3% by weight to 80% by weight, copper (Cu) from 0.5% by weight to 43% by weight, tin (Sn) from 0% by weight to 96.5% by weight, zinc (Zn) from 0% by weight to 5% by weight, indium (In) from 0% by weight to 10% by weight and gold, palladium and platinum (Au/Pd/Pt), individually or in combination with one another, from 0% by weight to 5% by weight, wherein the alloy powder contains more than 3% by weight of silver or more than 3% by weight of copper when the tin content is greater than 90% by weight, and where the amounts of the metals add up to a total of 100% by weight.