Exhibit 10.23 December 3, 2001 Mr. Kenneth I. Moch 68 Willow Avenue Larchmont, NY 10538 Dear Ken: This letter will confirm certain matters related to your employment by Alteon Inc. (the "Company") and shall constitute an amendment to your Amended and...Alteon Inc /De • March 7th, 2002 • Pharmaceutical preparations
Company FiledMarch 7th, 2002 Industry