 NEW YORK--BUSINESS WIRE--Halper Sadeh LLP, a global investor rights law firm, is investigating whether the sale of Kraton Corporation NYSE: KRA to DL Chemical Co., Ltd. for 46.50 per share in cash is fair to Kraton shareholders. Halper Sadeh encourages Kraton shareholders to click here to learn more about their legal rights and options or contact Daniel Sadeh or Zachary Halper at 212 763-0060 or or The investigation concerns whether Kraton a 