Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2005-05-03
2005-05-03
Dentz, Bernard (Department: 1625)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
active
06888011
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%.
REFERENCES:
patent: 3065243 (1962-11-01), Dunlop et al.
patent: 3580930 (1971-05-01), Miya et al.
patent: 4006165 (1977-02-01), Michalczyk et al.
patent: 5072009 (1991-12-01), Budge et al.
patent: 5122495 (1992-06-01), Taylor et al.
patent: 5149836 (1992-09-01), DeThomas et al.
patent: 5155086 (1992-10-01), Thakur et al.
patent: 5453412 (1995-09-01), Deckers et al.
patent: 5536849 (1996-07-01), Bergfeld et al.
patent: 5591873 (1997-01-01), Bankmann et al.
patent: 6008375 (1999-12-01), Bergfeld et al.
patent: 6124234 (2000-09-01), Fetzer et al.
patent: 6153161 (2000-11-01), Fetzer et al.
patent: 143 01 469 (1994-07-01), None
patent: 195 46612 (1997-06-01), None
patent: 604 792 (1994-07-01), None
patent: 638 565 (1995-02-01), None
patent: 656 336 (1995-06-01), None
patent: 669 163 (1995-08-01), None
patent: 1 108 702 (2001-06-01), None
patent: 95225539 (1995-08-01), None
patent: 9724346 (1997-07-01), None
patent: 9734694 (1997-09-01), None
patent: 9935139 (1999-07-01), None
patent: 9938856 (1999-08-01), None
Derwent Abst. JP 2233-631.
Jrl. of Porous Materials, 2, 79-84 (1995).
Borchert Holger
Fischer Rolf-Hartmuth
Rahn Ralf-Thomas
Rösch Markus
Schlitter Stephan
BASF - Aktiengesellschaft
Dentz Bernard
Novak Druce & Quigg LLP
LandOfFree
Porous catalyst for the hydrogenation of maleic anhydride to... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Porous catalyst for the hydrogenation of maleic anhydride to..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Porous catalyst for the hydrogenation of maleic anhydride to... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3438107