Patents by Inventor Siew Hon Chow

Siew Hon Chow 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).

  • PROCESS FOR THE PRODUCTION OF NANO LEAD OXIDES
    Publication number: 20100143219
    Abstract: Provided is a process for producing fine particles of pure lead oxide from a waste lead oxide paste obtained from exhausted lead-acid batteries. The lead oxide particles so produced are substantially spherical and have a weight average particle size from about 13 nm to about 100 nm, which, are of nano-particle dimensions. The process according to the present invention is capable to produce pure lead oxide of PbO2 and lead oxide of Pb3O4 or commonly known as red lead.
    Type: Application
    Filed: January 3, 2008
    Publication date: June 10, 2010
    Applicant: TAI-KWONG-YOKOHAMA BATTERY INDUSTRIED SDN BHD
    Inventor: Siew Hon Chow