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[2]CurrentPatentAssignee:BASFSE-US5488117,1996,A
[1]CurrentPatentAssignee:MitsubishiChemicalCorp(in:MCHCGroup);MITSUBISHICHEMICALHOLDINGSCORPORATION-US4337355,1982,A
[1]CurrentPatentAssignee:MitsubishiChemicalCorp(in:MCHCGroup);MITSUBISHICHEMICALHOLDINGSCORPORATION-US4337355,1982,A