Patents by Inventor Kangping Xiao

Kangping Xiao 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).

  • Patent number: 8383632
    Abstract: In one aspect, the present invention features a method of producing a tablet including cetirizine including the steps of: (i) mixing cetirizine, a polyol, and a solvent for the cetirizine to form a cetirizine:polyol complex, wherein the solvent comprises water and an alkalizing agent and has a pH from about 2 to about 7; (ii) isolating particles of the cetirizine:polyol complex from the mixture; and (iii) forming the particles into a tablet.
    Type: Grant
    Filed: September 3, 2009
    Date of Patent: February 26, 2013
    Assignee: McNeil-PPC, Inc.
    Inventors: Kenneth Day, Kangping Xiao, Satish Kamath, Indu Shah
  • Publication number: 20100062061
    Abstract: In one aspect, the present invention features a method of producing a tablet including cetirizine including the steps of: (i) mixing cetirizine, a polyol, and a solvent for the cetirizine to form a cetirizine:polyol complex, wherein the solvent comprises water and an alkalizing agent and has a pH from about 2 to about 7; (ii) isolating particles of the cetirizine:polyol complex from the mixture; and (iii) forming the particles into a tablet.
    Type: Application
    Filed: September 3, 2009
    Publication date: March 11, 2010
    Inventors: Kenneth Day, Kangping Xiao, Satish Kamath, Indu Shah