Patents by Inventor Xiao Liang Tan

Xiao Liang Tan 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).

  • Articles containing enclosed compositions
    Patent number: 6727215
    Abstract: The present invention relates to an article comprising a first pouch made of a water-reactive material, which comprises a) a first solid or liquid composition; and b) a second pouch made of a water-reactive material, comprising in its interior a second solid or liquid composition. Also provided are processes for making such article. Alternatively, the second pouch is preferably joined to the first pouch side-by-side. Preferred articles comprise fabric cleaning compositions for laundry, dish washing or hard surface cleaning or fabric care compositions.
    Type: Grant
    Filed: July 24, 2001
    Date of Patent: April 27, 2004
    Assignee: The Procter & Gamble Company
    Inventors: Nigel Patrick Somerville Roberts, Derek Dasong Liu, James Song, Xiao Liang Tan
  • Articles containing enclosed compositions
    Publication number: 20020077264
    Abstract: The present invention relates to an article comprising a first pouch made of a water-reactive material, which comprises
    Type: Application
    Filed: July 24, 2001
    Publication date: June 20, 2002
    Applicant: The Procter & Gamble Company
    Inventors: Nigel Patrick Somerville Roberts, Derek Dasong Liu, James Song, Xiao Liang Tan