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. 29, 2011
Filed:
Jun. 23, 2004
Anthony Haynes, Sheffield, GB;
David John Law, East Yorkshire, GB;
Andrew Miller, Hull, GB;
George Ernest Morris, East Yorkshire, GB;
Marc John Payne, Oxfordshire, GB;
John Glenn Sunley, East Yorkshire, GB;
Anthony Haynes, Sheffield, GB;
David John Law, East Yorkshire, GB;
Andrew Miller, Hull, GB;
George Ernest Morris, East Yorkshire, GB;
Marc John Payne, Oxfordshire, GB;
John Glenn Sunley, East Yorkshire, GB;
BP Chemicals Limited, Middlesex, GB;
Abstract
A catalyst and process for the production of acetic acid by the carbonylation of methanol and/or a reactive derivative thereof. The catalyst system comprises an iridium carbonylation catalyst, methyl iodide co-catalyst, optionally at least one of ruthenium, osmium, rhenium, zinc, gallium, tungsten, cadmium, mercury and indium and at least one non-hydrohalogenoic acid promoter. The non-hydrohalogenoic acid may be an oxoacid, a superacid and/or a heteropolyacid.