Patents by Inventor Weimin Chen Liang

Weimin Chen Liang 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).

  • Aldehyde removal
    Patent number: 7855261
    Abstract: Disclosed are filter elements constructed of a filter support material coated with an acetoacetate-functional polymeric composition that reacts with and removes aldehydes, especially formaldehyde, present in gases such as air. Also disclosed are methods for the removal of aldehydes utilizing the coated filter support materials.
    Type: Grant
    Filed: December 8, 2006
    Date of Patent: December 21, 2010
    Assignee: Eastman Chemical Company
    Inventors: Thauming Kuo, Mark Kevin Vineyard, Weimin Chen Liang
  • Aldehyde removal
    Publication number: 20080135060
    Abstract: Disclosed are filter elements constructed of a filter support material coated with an acetoacetate-functional polymeric composition that reacts with and removes aldehydes, especially formaldehyde, present in gases such as air. Also disclosed are methods for the removal of aldehydes utilizing the coated filter support materials.
    Type: Application
    Filed: December 8, 2006
    Publication date: June 12, 2008
    Inventors: Thauming Kuo, Mark Kevin Vineyard, Weimin Chen Liang
  • Particulate filter media
    Publication number: 20080134893
    Abstract: Disclosed are particulate filter media comprising a particulate or powdery acetoacetate-functional compound or composition that is effective in removing gaseous aldehydes present in gases such as air. The particulate filter media are capable of reacting with and irreversibly removing airborne aldehydes, such as formaldehyde, acetaldehyde, and acrolein. Also disclosed is a method or process for the removal of an aldehyde from a gas such as air or tobacco smoke by contacting the aldehyde-containing gas with the particulate filter media.
    Type: Application
    Filed: December 8, 2006
    Publication date: June 12, 2008
    Inventors: Thauming Kuo, Ted Calvin Germroth, Mark Kevin Vineyard, Weimin Chen Liang