The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 08, 2011
Filed:
Mar. 03, 2010
Kindtoken Hwaider Liu, Park Ridge, NJ (US);
Man-yin Lo, Hsinchu, TW;
Wen-chyi Lin, Hsinchu, TW;
Mei-yuan Chang, Hsinchu, TW;
Kindtoken Hwaider Liu, Park Ridge, NJ (US);
Man-Yin Lo, Hsinchu, TW;
Wen-Chyi Lin, Hsinchu, TW;
Mei-Yuan Chang, Hsinchu, TW;
Lee Chang Yung Chemical Industry Corporation, Taipei, TW;
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.