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:
Mar. 17, 2009
Filed:
Sep. 14, 2007
Dirk Michiel Boele, Amsterdam, NL;
Henricus Petrus Bernardus Duijghuisen, Amsterdam, NL;
Eugene Marie Godfried Andre Van Kruchten, Amsterdam, NL;
Jan Hermen Hendrik Meurs, Amsterdam, NL;
Dirk Michiel Boele, Amsterdam, NL;
Henricus Petrus Bernardus Duijghuisen, Amsterdam, NL;
Eugene Marie Godfried Andre Van Kruchten, Amsterdam, NL;
Jan Hermen Hendrik Meurs, Amsterdam, NL;
Shell Oil Company, Houston, TX (US);
Abstract
A process for the conversion of an alkylene oxide to the corresponding alkylene glycol in the presence of carbon dioxide, water and a catalytic composition comprising a mixture of an organic base present in an amount in the range of from 10 to 90 mol % (based on the mixture) and a salt of the organic base and a hydrogen halide the salt being present in an amount in the range of from 10 to 90 mol % (based on the mixture), wherein the organic base comprises a carbon-based compound comprising one or more nitrogen atoms with at least one free electron pair and/or one or more phosphorous atoms with at least one free electron pair, and has a pKa high enough that it is capable of binding carbon dioxide under the reaction conditions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile