[1]CurrentPatentAssignee:BAYERAG-FR2271201,1975,B1[Chem.Abstr.,1976,vol.84,#121506][Chem.Abstr.,1976,vol.84,#121506]
[1]CurrentPatentAssignee:BAYERAG-FR2271201,1975,B1[Chem.Abstr.,1976,vol.84,#121506][Chem.Abstr.,1976,vol.84,#121506]
[1]CurrentPatentAssignee:BAYERAG-FR2271201,1975,B1[Chem.Abstr.,1976,vol.84,#121506][Chem.Abstr.,1976,vol.84,#121506]
[1]CurrentPatentAssignee:BAYERAG-FR2271201,1975,B1[Chem.Abstr.,1976,vol.84,#121506][Chem.Abstr.,1976,vol.84,#121506]
[1]CurrentPatentAssignee:BAYERAG-US4067726,1978,A