The present invention encompasses the finding that improvements can be achieved in manufacture of isocyanates through the use of a substitute for or a precursor of phosgene. Methods and compositions utilized in accordance with the present invention can be useful in situations in which it is difficult to use phosgene, and in particular gaseous phosgene. In some embodiments, a substitute for or a precursor of phosgene used in accordance with the present invention for preparing isocyanates is or comprises diphosgene (ClCO2CCl3).
申请公布号
WO2012106588(A3)
申请公布日期
2012.11.08
申请号
WO2012US23751
申请日期
2012.02.03
申请人
WARSAW ORTHOPEDIC, INC.;BHATTACHARYYA, SUBHABRATA;BURELLO, MARCO;GOPAL, DAMODARA;GUELCHER, SCOTT
发明人
BHATTACHARYYA, SUBHABRATA;BURELLO, MARCO;GOPAL, DAMODARA;GUELCHER, SCOTT