UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING FORM 10-K For the Peroid Ended December 31, 1998 Commission File Number: 0-9519 Regent Technologies, Inc. (Exact name of registrant as specified in its charter.) Colorado 84-0807913 (State or other jurisdiction of (I.R.S. Employer incorporation or organization) Identification No.) Nothing is this form shall be construed to imply that the Commission has verified any information contained herein. PART I Regent Technologies, Inc. 16405 Addison Road, Suite 150 Dallas, Texas 75248 PART II The Form 10-K will be filed on or before the fifteenth calendar day following the prescribed due date of March 31, 1998. PART III The Registrant has moved offices from 2929 Elm Street to 16405 Addison Road, Suite 150, Dallas and has been delayed due to the relocation process. PART IV Name and telephone number of person to contact in regard to this notification. David A. Nelson 972 732 9585 REGENT TECHNOLOGIES, INC. (Name of Registrant as specified in charter) Date: March 30, 1998 By: David A. Nelson ----------------- David A. Nelson, President