Asahi Kasei Corp. on Aug. 26 completed its acquisition of Polypore International Inc. for a transaction value of $3.25 billion.

The company offered $60.5 per share for the stake.

In addition to general closing conditions, the deal required additional review for antitrust concerns.

Mitsubishi UFJ Morgan Stanley Securities Co. Ltd. was the financial adviser for Asahi Kasei, and Cleary Gottlieb Steen & Hamilton LLP (Japan) was the legal adviser.

Merrill Lynch Pierce Fenner & Smith Inc. was the financial adviser for Polypore International , while Greenberg Traurig LLP and Jones Day were the legal advisers.