Patents by Inventor Qiong Gong Ning

Qiong Gong Ning 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).

  • Broad spectrum microbicidal and spermicidal compositions and methods
    Publication number: 20090118352
    Abstract: The present invention relates to microbicidal and spermicidal compositions, methods and topical pharmaceutical compositions containing N-cocoyl amino acid pyrrolidone carboxylates (N-cocoyl amino acid pyrrolidone salts, CAPS) as active ingredients. The invention is for the prevention and control of sexually transmitted diseases and for the prevention of pregnancy. The microbicidal spectrum of the invention includes various STD pathogens, HIV viruses as well as gram positive and negative bacteria, and yeasts. Spermicidal barriers containing the compositions are also provided. The N-cocoyl amino acid pyrrolidone salts is represented by the formula: Wherein A is an amino acid residue and R is a C.sub.1O-C.sub.
    Type: Application
    Filed: October 29, 2008
    Publication date: May 7, 2009
    Applicant: ESAWTECH, LTD.
    Inventors: Kewang Lu, Qiong Gong Ning, Lei Zhang