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:
Feb. 10, 2009
Filed:
Jul. 31, 2006
Applicants:
Eugene Marie Godfried Andre Van Kruchten, Amsterdam, NL;
Hendrik Stichter, Amsterdam, NL;
Johannes Theodorus Gertruda Wijenberg, Amsterdam, NL;
Inventors:
Eugene Marie Godfried Andre Van Kruchten, Amsterdam, NL;
Hendrik Stichter, Amsterdam, NL;
Johannes Theodorus Gertruda Wijenberg, Amsterdam, NL;
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 317/36 (2006.01); C07D 317/38 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for the catalytic carboxylation of alkylene oxides with carbon dioxide, in the presence of a catalyst composition and water, wherein the catalyst composition comprises an alkali metal halide and a macrocyclic chelating compound.