PDSB vs REFR Comparison

PDS Biotechnology Corp operates as a clinical stage biotechnology company, principally involved in drug discovery in the United States. It is engaged in the treatment of various early-stage and late-stage cancers, including head and neck cancer, prostate cancer, breast cancer, cervical cancer, anal cancer, and other cancers. Its products are based on the proprietary Versamune platform technology, which activates and directs the human immune system to unleash a powerful and targeted attack against cancer cells.

Research Frontiers Inc is engaged in the development and marketing of technology and devices to control the flow of light. The company develops and licenses its patented suspended particle device light-control technology to other companies that manufacture and market the SPD-Smart chemical emulsion, the light-control film made from the chemical emulsion, the light-control panels made by laminating the film, electronics to power end-products incorporating the film, or lamination services for, and the end-products. Its revenue source comes from the licensing of technology.