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:
Jul. 12, 2005
Filed:
Oct. 29, 1999
Carole Le Berre, La Croix-Falfgarde, FR;
Philippe Kalck, Auzeville-Tolosane, FR;
Philippe Serp, Toulouse, FR;
Lise Layeillon, Lacq, FR;
Daniel Thiebaut, Lescar, FR;
Carole Le Berre, La Croix-Falfgarde, FR;
Philippe Kalck, Auzeville-Tolosane, FR;
Philippe Serp, Toulouse, FR;
Lise Layeillon, Lacq, FR;
Daniel Thiebaut, Lescar, FR;
Acetex Chimie, Neuilly sur Seine Cedex, FR;
Abstract
The invention relates to a process for the preparation of acetic acid and/or methyl acetate in the liquid phase by the carbonylation of methanol and/or the isomerization of methyl formate in the presence of water, a solvent, a homogeneous catalyst system comprising iridium and a halogen-containing promoter, and carbon monoxide, wherein said catalyst system also comprises platinum.