Catalyst preparation

Details Catalyst preparation Catalyst preparation

2007-11-13

2007-11-13

Dentz, Bernard (Department: 1625)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C549S531000, C502S239000, C502S242000

Reexamination Certificate

active

10720921

ABSTRACT:
The invention relates to a process for the preparation of an epoxidation catalyst which process involves (a) drying a silica gel carrier having a weight average particle size of from 0.1 mm to 2 mm at a temperature of from more than 200° C. to 300° C., and (b) contacting the carrier obtained in step (a) with a gas stream containing titanium halide to obtain an impregnated carrier, and the use of such catalyst in the preparation of alkylene oxide.

REFERENCES:
patent: 3829392 (1974-08-01), Wulff
patent: 3923843 (1975-12-01), Wulff
patent: 5932751 (1999-08-01), Carroll et al.
patent: 6011162 (2000-01-01), Han et al.
patent: 6114552 (2000-09-01), Han et al.
patent: 6383966 (2002-05-01), Han et al.
patent: 0170334 (1986-02-01), None
patent: 0438133 (1991-07-01), None
patent: 345856 (1992-08-01), None
patent: 0525503 (1993-02-01), None
patent: 734764 (1996-10-01), None
patent: 1525386 (1978-09-01), None
patent: WO9507305 (1995-03-01), None
patent: 98/50374 (1998-11-01), None
patent: WO0072961 (2000-12-01), None
patent: 02/48126 (2002-06-01), None
International Search Report, dated Nov. 24, 2003.

Affiliated with

Also associated with

Rating

Catalyst preparation does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Catalyst preparation, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Catalyst preparation will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3843871