Hemispherx Biopharma Receives the European Patent Office Grant of New Composition of Matter Patent

[Kati]

PHILADELPHIA, Sept. 28, 2015 (GLOBE NEWSWIRE) -- Hemispherx Biopharma, Inc. (NYSE MKT:HEB) (the "Company" or "Hemispherx"), announced that it received formal notice on September 21, 2015, that the European Patent Office's Examining Division granted the Company's application titled "Double-Stranded Ribonucleic Acids with Rugged Physiochemical Structure and Highly Specific Biologic Activity" by inventors Carter, et al. and assignee Hemispherx Biopharma, Inc. The patent claims a novel form of rugged dsRNA. Rugged dsRNA are nucleic acids with a unique composition and physical characteristic identified with high specificity of binding to Toll-Like Receptor 3 (TLR3), thereby conveying an important range of therapeutic opportunities. This form of dsRNA has increased bioactivity and binding affinity to the TLR 3 receptor because of its reduced tendency to form branched dsRNA which can inhibit receptor binding. Pharmaceutical formulations containing this nucleic acid as active ingredients, and methods of treatment with those formulations, are also described in the granted patent

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