Exhibit 10.4 REGISTRATION RIGHTS AGREEMENT REGISTRATION RIGHTS AGREEMENT (this "Agreement"), dated as of July 10, 2003, by and among Hemispherx Biopharma, Inc., a Delaware corporation, with headquarters located at One Penn Center, 1617 JFK Boulevard,...Registration Rights Agreement • July 14th, 2003 • Hemispherx Biopharma Inc • Biological products, (no disgnostic substances) • New York
WHEREAS:Securities Purchase Agreement • July 14th, 2003 • Hemispherx Biopharma Inc • Biological products, (no disgnostic substances) • New York
