Patents by Inventor KEWU ZHU

KEWU ZHU 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).

  • FORMULATION AND AEROSOL CANISTERS, INHALERS, AND THE LIKE CONTAINING THE FORMULATION
    Publication number: 20180071231
    Abstract: Compositions containing albuterol, ipratropium, and a propellant as well as aerosol canisters and inhalers, such as metered dose inhalers, containing such compositions.
    Type: Application
    Filed: April 7, 2016
    Publication date: March 15, 2018
    Inventors: KEWU ZHU, DAVID W. SCHULTZ, JAMES B. DRAKE, YU CHEN, MEI-LING PAN, ENG SENG YAP