Patent · US Active

Catalyst for the synthesis of organic carbonates, process for preparing the same and application thereof

US8445713B2 · kind B2 · utility

0Cited by

3References

5Claims

0Family size

Assignee

Bayer MaterialScience AG · DE

Inventors

Stefan Wershofen · Mönchengladbach, DE
Stephan Klein · Mettmann, DE
Zhiping Zhou · Marietta, US
Xinkui Wang · Shanxi, CN
Junwei Wang · Beijing, CN
Maoqing Kang · Taiyuan, CN

Key dates

Filing date	Oct 17, 2008
Grant date	May 21, 2013
Priority date	—
Expiry date	Jun 6, 2029

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C68/00
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

The present invention relates to a catalyst for the synthesis of organic carbonates, the preparation of the catalyst and the application of this catalyst in the synthesis of organic carbonates from reacting urea and hydroxyl group containing compounds. The catalyst provided in this invention is a calcinate of hydrous salt containing rare earth element at a moderate calcining temperature.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.