U.S. judge refuses injunction blocking generic version of sanofi's lovenox blood thinner * U.S. judge ruling is loss for sellers of generic Novartis AG sandoz unit, Momenta Pharmaceuticals Inc ((New York Equities Desk; tel: +1 646 223 6000)) ((For more news about NOVARTIS click here: )) Click the link below to go to Reuters Top News Page, a web front page of today's most important business and market news, analysis and commentary.