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Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0001144204-11-062647
Filing Date
2011-11-10
Accepted
2011-11-09 17:53:12
Documents
1
Effectiveness Date
2011-11-10

Document Format Files

Seq Description Document Type Size
1 DEFA14A v239924_defa14a.htm DEFA14A 31146
  Complete submission text file 0001144204-11-062647.txt   32195
Mailing Address 1617 JFK BLVD ONE PENN CENTER PHILADELPHIA PA 19103
Business Address 1617 JFK BLVD #660 ONE PENN CENTER PHILADELPHIA PA 19104 2159880080
HEMISPHERX BIOPHARMA INC (Filer) CIK: 0000946644 (see all company filings)

IRS No.: 520845822 | State of Incorp.: DE | Fiscal Year End: 1231
Type: DEFA14A | Act: 34 | File No.: 001-13441 | Film No.: 111192759
SIC: 2836 Biological Products, (No Diagnostic Substances)