NEW YORK--(BUSINESS WIRE)--ZIOPHARM Oncology, Inc. (NASDAQ: ZIOP) announced today that it has received Notices of Allowance from the U.S. Patent and Trademark Office for patent applications numbered 11/252,966 and 11/349,043, covering claims for various organic arsenic compounds, including purified crystalline darinaparsin, glycolic arsenicals, and the oral pharmaceutical composition of an organic arsenic compound, and their use in the treatment of cancer. A notice of allowance signifies that the applicant is entitled to a patent under the law.
