Machine dishwashing compositions containing an oxygen bleach and a bismuth salt to reduce silver tarnishing

摘要

PCT No. PCT/US96/00262 Sec. 371 Date Jul. 21, 1997 Sec. 102(e) Date Jul. 21, 1997 PCT Filed Jan. 5, 1996 PCT Pub. No. WO96/22348 PCT Pub. Date Jul. 25, 1996There is provided a composition adapted for use in machine dishwashing having reduced silver-tarnishing, as well as good cleaning performance. The composition contains an oxygen bleach and a water-soluble bismuth compound.