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:
Dec. 12, 2017
Filed:
Mar. 22, 2017
Applicant:
Industrial Technology Research Institute, Hsinchu, TW;
Inventors:
Assignee:
Industrial Technology Research Institute, Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 31/22 (2006.01); C07D 317/34 (2006.01);
U.S. Cl.
CPC ...
B01J 31/2213 (2013.01); C07D 317/34 (2013.01); B01J 2531/42 (2013.01);
Abstract
A catalyst and a method for synthesizing cyclic carbonate using the catalyst are provided. The catalyst includes a metal complex shown in formula (I): wherein R, R, R, and Rare independently a C1-C25 alkyl group, a C1-C25 alkoxy group, a C3-C8 cycloalkyl group, a C6-C25 aryl group, a C6-C25 aryloxy group, a C7-C25 aralkyl group, a C7-C25 aralkoxy group, or halogen; Ris hydrogen, a C1-C25 alkyl group, a C3-C8 cycloalkyl group, a C6-C25 aryl group, a C6-C25 aryloxy group, a C7-C25 aralkyl group, or a C7-C25 aralkoxy group; M is Sn or Ti; X is Cl, Br, I, or OAc; and L represents ether or furan.