Patents by Inventor Ramasubbu Jevanthi

Ramasubbu Jevanthi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • “Burst-free” sustained release poly-(lactide/glycolide) microspheres
    Patent number: 7033608
    Abstract: Novel burst-free, sustained release biocompatible and biodegrable microcapsules which can be programmed to release their active core for variable durations ranging from 1–100 days in an aqueous physiological environment. The microcapsules are comprised of a core of polypeptide or other biologically active agent encapsulated in a matrix of poly(lactide/glycolide) copolymer as a blend of uncapped (free carboxyl end group) and end-capped forms ranging in ratios from 100/0 to 1/99.
    Type: Grant
    Filed: June 22, 1999
    Date of Patent: April 25, 2006
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Ramasubbu Jevanthi, John E. Van Hamont, Phil Friden, Robert H. Reid, F. Donald Roberts, Charles E. McQueen, Jean A. Setterstrom