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:
May. 02, 2017
Filed:
Aug. 17, 2012
Melvyn Kilner, Wilton Gilbert, GB;
Derek Vincent Tyers, Teesdale, GB;
Simon Peter Crabtree, Durham Moor, GB;
Michael Anthony Wood, Hilton, GB;
Melvyn Kilner, Wilton Gilbert, GB;
Derek Vincent Tyers, Teesdale, GB;
Simon Peter Crabtree, Durham Moor, GB;
Michael Anthony Wood, Hilton, GB;
Davy Process Technology Limited, London, GB;
Abstract
A homogenous process for the hydrogenation of the carboxylic acids and/or derivatives thereof in the presence of a catalyst comprising ruthenium, rhodium, iron, osmium or palladium, and an organic phosphine is described in which the hydrogenation is carried out in the presence of at least about 1% by weight water. A process for regenerating a catalyst comprising ruthenium, rhodium, iron, osmium or palladium and an organic phosphine is also described in which the regeneration is carried out in the presence of hydrogen and water.