Patents by Inventor Kindtoken Liu

Kindtoken Liu 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).

  • Catalyst and process for preparing carboxylic acid esters
    Publication number: 20070010684
    Abstract: A catalyst and a process for preparing carboxylic acid esters from an aldehyde and an alcohol in the presence of molecular oxygen are disclosed. The catalyst comprises metals supported on a silica-containing support, wherein the metals consist essentially of palladium, lead, an alkali or alkaline earth metal, and at least one of niobium and zirconium. The process for preparing a carboxylic acid ester comprises reacting an aldehyde with an alcohol in the presence of molecular oxygen and the aforementioned catalyst.
    Type: Application
    Filed: July 6, 2005
    Publication date: January 11, 2007
    Inventors: Kindtoken Liu, Man-Yin Lo, Wen-Chyi Lin, Mei-Yuan Chang