	rvial to union carbide emerges in french bid carburos metalicos of spain has bid francs a share for french chemicals group duffour et igon rivalling the franc bid announced yesterday by union carbide france the french subsidiary of the u s chemical giant union carbide corp uk n the stockbrokers assocation csac said here duffour et igon s capital is comprised of shares with a nominal value of francs each shares were last quoted at francs on january banque paribas will act for carburos metalicos while union carbide france s bid is being led by rothschild et associes banque duffour et igon shares will be suspended on april and and will resume trading on april reuter 
