FRANKFURT (Standard&Poor's) Aug. 7, 2007--Standard&Poor's Ratings Services said today it placed on CreditWatch with negative implications its 'BBB+' long-term credit ratings on France-based engineered materials manufacturer and distributor Compagnie de Saint-Gobain (SG), following SG's announcement that it is going to purchase the Maxit group from HeidelbergCement AG. At the same time, the 'A-2' short-term credit rating on SG was affirmed. "The CreditWatch placement reflects our concerns that SG might be unable to restore its financial profile to credit metrics in line with the rating category, given its proposed acquisition of dry mortar manufacturer Maxit group for €2.1 billion," said Standard&Poor's credit analyst Eve Greb. "Although the acquisition will strengthen SG's market position in industrial