Patents Assigned to Per Immune Holdings, Inc.
  • Polymer affinity system for the delivery of cytotoxic material and other compounds to sites of disease
    Patent number: 5686071
    Abstract: The use of interacting polymers and oligomers to selectively target compounds to desired sites, in-vitro and in-vivo, wherein the first polymer or oligomer is bound to a targeting agent and the second polymer or oligomer is bound to an active agent, such as a drug, a metal or a radioisotope.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: November 11, 1997
    Assignee: Per Immune Holdings, Inc.
    Inventors: Ramaswamy Subramanian, Fang Shi