Patents by Inventor Weihua Lan

Weihua Lan 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).

  • Cleaning composition
    Patent number: 8252736
    Abstract: An alkaline cleaning composition for use in aqueous medium comprising nanoparticles or a nanoparticles precursor and a polymeric nanoparticle stabilizer.
    Type: Grant
    Filed: September 3, 2009
    Date of Patent: August 28, 2012
    Assignee: The Procter & Gamble Company
    Inventors: Anju Deepali Massey Brooker, Weihua Lan, Dan Xu, Alberto Martinez-Becares, David William York
  • CLEANING COMPOSITION
    Publication number: 20100075886
    Abstract: An alkaline cleaning composition for use in aqueous medium comprising nanoparticles or a nanoparticles precursor and a polymeric nanoparticle-protease compatibilizer.
    Type: Application
    Filed: September 3, 2009
    Publication date: March 25, 2010
    Inventors: Anju Deepali Massey Brooker, Weihua LAN, Dan XU, Alberto MARTINEZ-BECARES, David William YORK
  • CLEANING COMPOSITION
    Publication number: 20100075885
    Abstract: An alkaline cleaning composition for use in aqueous medium comprising nanoparticles or a nanoparticles precursor and a polymeric nanoparticle stabilizer.
    Type: Application
    Filed: September 3, 2009
    Publication date: March 25, 2010
    Inventors: ANJU DEEPALI MASSEY BROOKER, WEIHUA LAN, DAN XU, ALBERTO MARTINEZ-BECARES, DAVID WILLIAM YORK
  • CLEANING COMPOSITION
    Publication number: 20100075884
    Abstract: An alkaline cleaning composition for use in a wash liquor comprising nanoparticles or a nanoparticles precursor and a nanoparticle compatible protease.
    Type: Application
    Filed: September 3, 2009
    Publication date: March 25, 2010
    Inventors: Anju Deepali Massey Brooker, Weihua Lan, Dan Xu, Alberto Martinez-Becares, David William York, Philip Frank Souter