Combination of a guard bed and a catalyst bed

Details Combination of a guard bed and a catalyst bed Combination of a guard bed and a catalyst bed

2006-08-08

2006-08-08

Lorengo, J. A. (Department: 1755)

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Inorganic carbon containing

C502S345000, C502S349000, C423S392000, C423S652000, C075S252000, C075S255000, C428S402000, C422S211000, C422S222000

Reexamination Certificate

active

07087550

ABSTRACT:
A combination comprising a bed of a particulate copper-containing catalyst bed, a guard bed in the form of shaped units formed from lead carbonate and/or basic lead carbonate particles having an average (by volume) particle size below 100 μm.

REFERENCES:
patent: 4849577 (1989-07-01), Boitiaux et al.
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patent: 2004/0170553 (2004-09-01), Axon et al.
patent: 2004/0234433 (2004-11-01), Axon et al.
patent: 2004/0253176 (2004-12-01), Ward et al.
patent: 1 357 335 (1974-06-01), None
patent: WO-01/17674 (2001-03-01), None
International Search Report from International Application No. PCT/GB02/00243, dated May 28, 2002.

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