Patents by Inventor Zheng Zhi Wu

Zheng Zhi Wu 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).

  • Transdermal adhesive compositions, devices and methods
    Patent number: 9375510
    Abstract: A stable transdermal adhesive composition comprising: an adhesive comprising a washed polymerization reaction product of at least two ethylenically unsaturated monomers; and at least one pharmaceutically active compound which is susceptible to oxidative degradation; wherein the at least two ethylenically unsaturated monomers, if present in the adhesive as unreacted monomers, are present at a level of less than 200 ppm of total unreacted monomer, based upon the total weight of the adhesive, methods of making the composition, a transdermal drug delivery device using the composition, methods of making the device, and methods of delivery the pharmaceutically active compound are provided.
    Type: Grant
    Filed: July 19, 2011
    Date of Patent: June 28, 2016
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: James P. DiZio, Elizabeth E. Johnson, Zheng Zhi Wu, Amy Preszier Prince
  • TRANSDERMAL ADHESIVE COMPOSITIONS, DEVICES AND METHODS
    Publication number: 20130122079
    Abstract: A stable transdermal adhesive composition comprising: an adhesive comprising a washed polymerization reaction product of at least two ethylenically unsaturated monomers; and at least one pharmaceutically active compound which is susceptible to oxidative degradation; wherein the at least two ethylenically unsaturated monomers, if present in the adhesive as unreacted monomers, are present at a level of less than 200 ppm of total unreacted monomer, based upon the total weight of the adhesive, methods of making the composition, a transdermal drug delivery device using the composition, methods of making the device, and methods of delivery the pharmaceutically active compound are provided.
    Type: Application
    Filed: July 19, 2011
    Publication date: May 16, 2013
    Inventors: James P. Dizio, Elizabeth E. Johnson, Zheng Zhi Wu, Amy Preszier Prince