Dionex Corporation

San Francisco (GaeaTimes.com) -- Ryan & Maniskas, LLP (www.rmclasslaw.com/cases/dnex) is investigating potential claims against the board of directors of Dionex Corporation ("Dionex" or the "Company") (NASDAQ: DNEX) concerning possible breaches of fiduciary duty and other violations of law related to the Company's efforts to sell Dionex to Thermo Fisher Scientific in a transaction valued at approximately $2.1 billion.