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. 03, 2005
Filed:
Dec. 07, 2001
Holger Borchert, Offstein, DE;
Stephan Schlitter, Limburgerhof, DE;
Markus Rösch, Oppenheim, DE;
Rolf-hartmuth Fischer, Heidelberg, DE;
Ralf-thomas Rahn, Mannheim, DE;
Alexander Weck, Freinsheim, DE;
Holger Borchert, Offstein, DE;
Stephan Schlitter, Limburgerhof, DE;
Markus Rösch, Oppenheim, DE;
Rolf-Hartmuth Fischer, Heidelberg, DE;
Ralf-Thomas Rahn, Mannheim, DE;
Alexander Weck, Freinsheim, DE;
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
A hydrogenation catalyst which is suitable, in particular, for the hydrogenation of maleic anhydride and its derivatives to THF or its derivatives comprises copper oxide and at least one further metal or compound thereof, preferably an oxide, selected from the group consisting of Al, Si, Zn, La, Ce, the elements of groups IIIA to VIIIA and the elements of groups IA and IIA and having a pore volume of ≧0.01 ml/g for pore diameters of >50 nm and a ratio of the pore volume of macropores having a diameter of >50 nm to the total pore volume for pores having a diameter of >4 nm of >10%.