Abu Dhabi's ADNOC said Tuesday it agreed to acquire German chemicals producer Covestro (OTCPK:CVVTF) (OTCPK:COVTY) for €15.9B (~$18B) including debt, finally bringing an end to more than a year of talks.

Abu Dhabi's ADNOC has struck a deal to buy German chemicals maker Covestro for 14.7 billion euros ($16.3 billion), including debt, in the energy giant's biggest ever acquisition. The deal is one of th

Abu Dhabi National Oil Co., or Adnoc, agreed Tuesday to the tie-up, bringing an end to more than a year of talks that had been extended by protracted negotiations over price, job protections for Covestro employees and other matters.