Abstract: The present teachings are directed to inorganic oxide materials that include Al2O3, CeO2, and at least one of MgO and Pr6O11. The present teachings are also directed to catalysts having at least one noble metal supported on these inorganic oxide materials, as well as methods for treating exhaust gases from internal combustion engines using such catalysts.
Type:
Application
Filed:
December 23, 2014
Publication date:
January 5, 2017
Applicant:
RHODA OPERATIONS
Inventors:
Qiang ZHAO, Olivier LARCHER, Barry W. L. SOUTHWARD, Francis FRANCIS, Thomas ENGLISH, Fabien OCAMPO
Abstract: Transesterification processes for producing a compound of formula (I) wherein R1 is H or a methyl group, A and B are each, independently, a linear or branched C2-C5 alkylene group, comprising reacting: an acrylate or methacrylate of formula (II) wherein R1 is H or a methyl group and R2 is a C1-C4 alkyl group, with a compound of formula (III) wherein the reaction is performed: (i) in the presence of calcium oxide and calcium hydroxide, and (ii) wherein the molar ratio of the compounds of formula (II) to formula (III) is less than 4:1 or 3:1 respectively.
Type:
Grant
Filed:
June 11, 2014
Date of Patent:
September 29, 2015
Assignee:
RHODA OPERATIONS
Inventors:
Laurianne Timbart, Nemesio Martinez-Castro, James Woods, Howard Prokop, Rastko Vukov