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:
Sep. 30, 2014
Filed:
May. 21, 2010
Hans-gerd Lueken, Marl, DE;
Alfred Kaizik, Marl, DE;
Markus Winterberg, Datteln, DE;
Wilfried Bueschken, Haltern am See, DE;
Dirk Fridag, Haltern am See, DE;
Hans-Gerd Lueken, Marl, DE;
Alfred Kaizik, Marl, DE;
Markus Winterberg, Datteln, DE;
Wilfried Bueschken, Haltern am See, DE;
Dirk Fridag, Haltern am See, DE;
Evonik Degussa GmbH, Essen, DE;
Abstract
The invention relates to a method for producing low-odor n-butane by catalytic hydrogenation of a feed mixture. The aim of the invention is to provide such a method, wherein the feed material, in addition to n-butane, n-butene and up to 1 mass % formic acid and/or up to 1 mass % pentanals and/or up to 0.5 mass % pentanols, also comprises carbon monoxide. The aim is achieved by treating the feed mixture in the temperature range of 15 to 120° C. with an aqueous solution of an alkali metal or alkaline earth metal hydroxide in the concentration range of 0.5 to 30 mass % and subsequently subjecting the feed mixture to the catalytic hydrogenation.