Patents by Inventor Nai F. Wang

Nai F. Wang 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).

  • ARYLSULFANYL COMPOUNDS AND COMPOSITIONS FOR DELIVERING ACTIVE AGENTS
    Publication number: 20180334430
    Abstract: Compounds and compositions for the delivery of active agents are provided. Methods of administration and preparation are also provided.
    Type: Application
    Filed: December 15, 2017
    Publication date: November 22, 2018
    Inventors: Stephen Pusztay, Sushma Saraf, Nai F. Wang
  • Modified amino acids for drug delivery
    Patent number: 5629020
    Abstract: The present invention relates to an oral delivery system, and in particular to modified amino acids or peptides for use as a delivery system of sensitive agents such as bioactive peptides. The modified amino acids or peptides can form non-covalent mixtures or microspheres with active biological agents. These mixtures or microspheres are suitable for oral administration of biologically active agents to animals. Methods for the preparation of such amino acids and peptides are also disclosed.
    Type: Grant
    Filed: April 22, 1994
    Date of Patent: May 13, 1997
    Assignee: Emisphere Technologies, Inc.
    Inventors: Andrea Leone-Bay, Nai F. Wang