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.

Date of Patent:
Oct. 30, 2012

Filed:

May. 20, 2008
Applicants:

Ying Sun, Liaoning, CN;

Hua Wang, Liaoning, CN;

Zhongmin Liu, Liaoning, CN;

Inventors:

Ying Sun, Liaoning, CN;

Hua Wang, Liaoning, CN;

Zhongmin Liu, Liaoning, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 51/10 (2006.01); C07C 59/06 (2006.01); C07C 27/06 (2006.01);
U.S. Cl.
CPC ...
Abstract

Process for the production of glycolic acid by contacting carbon monoxide and formaldehyde with a catalyst containing an acidic polyoxometalate compound encapsulated within the pores of a zeolite. The zeolite has cages larger than the acidic polyoxometalate compound, and has pores with a diameter smaller than the diameter of the acidic polyoxometalate compound.


Find Patent Forward Citations

Loading…