Patent ID: 7510591

Claim:
A shaped article, comprising: (1) an oxidic material which comprises (a) copper oxide with a content in the range of 50â‰¦xâ‰¦80% by weight, (b) aluminum oxide with a content in the range of 15â‰¦yâ‰¦35% by weight and (c) at least one of the oxides of tungsten or molybdenum, with a content in the range of 2â‰¦zâ‰¦20% by weight, in each case based on the total weight of the oxidic material after calcination, where the following applies: 80â‰¦x+y+zâ‰¦100, (2) metallic copper powder, copper flakes, or cement powder or a mixture thereof and graphite, with a content in the range from 1 to 40% by weight based on the total weight of the oxidic material, except that said graphite is present in an amount of from 0.5 to 5% by weight based on the total weight of the oxidic material, where the total of the contents of oxidic material, metallic copper powder, copper flakes, or cement powder or a mixture thereof, and graphite, account for at least 95% by weight of the shaped article.