Cincinnati.com -- The company that bought Procter & Gamble’s Mason-based pharmaceutical drug business last fall plans to close the Mason office, affecting about 250 jobs there. Drug maker Warner Chilcott plans to consolidate the work to its U.S. headquarters in Rockaway, N.J., according to an internal memo obtained by The Enquirer. Some employees will be offered jobs in Rockaway, while others will be offered severance packages, the memo said.