(DE19606286-C1)      Use of a platinum-zeolite catalyst material as catalyst to remove CO from an H2-rich starting mixture of a methanol reforming reactor by means of selective CO oxidation is claimed, where the material is produced by: (a) dissolving Pt(NH3)4Cl2xH2O in distilled water; (b) producing a suspension by adding a zeolite material to the solution obtained; (c) stirring the suspension for a predetermined time and filtering, chloride-free washing and drying at a specified drying temperature; (d) gradually heating the dried powdered material to approximately 400 C in N2; (e) reducing the heated material by adding forming gas over 4 hours at approximately 400 C; and (f) cooling the reduced material in N2.    USE -   Used in fuel cells in vehicles.    ADVANTAGE -   The catalyst can be used at longer operating temperatures.    (GB2313794-A)      The use of a zeolite based platinum catalyst in the catalytic reduction of carbon monoxide from a starting mixture rich in hydrogen and in the selective oxidation of carbon monoxide from a methanol reforming reactor is claimed.    Also claimed is the production of the catalyst, comprising: (a) the dissolution of Pt(NH3)4Cl2xH2O in distilled water; (b) the production of a suspension by the addition of the zeolite in the solution obtained in (a); (c) stirring the suspension for a predetermined time, filtrating, washing without chloride and drying at a predetermined drying temperature; (d) heating progressively the dried pulverulent material at ca. 400C under nitrogen; (e) reducing the heated material by the addition of a forming gas during 4 hours at ca. 400C; and (f) cooling the reduced material under nitrogen.    USE -   Used in hydrogen processing for use in fuel cells for electrical vehicles.    (GB2313794-B)      The use of a zeolite based platinum catalyst in the catalytic reduction of carbon monoxide from a starting mixture rich in hydrogen and in the selective oxidation of carbon monoxide from a methanol reforming reactor is claimed.    Also claimed is the production of the catalyst, comprising: (a) the dissolution of Pt(NH3)4Cl2xH2O in distilled water; (b) the production of a suspension by the addition of the zeolite in the solution obtained in (a); (c) stirring the suspension for a predetermined time, filtrating, washing without chloride and drying at a predetermined drying temperature; (d) heating progressively the dried pulverulent material at ca. 400C under nitrogen; (e) reducing the heated material by the addition of a forming gas during 4 hours at ca. 400C; and (f) cooling the reduced material under nitrogen.    USE -   Used in hydrogen processing for use in fuel cells for electrical vehicles.    (US5955395-A)      The use of a zeolite based platinum catalyst in the catalytic reduction of carbon monoxide from a starting mixture rich in hydrogen and in the selective oxidation of carbon monoxide from a methanol reforming reactor is claimed.    Also claimed is the production of the catalyst, comprising: (a) the dissolution of Pt(NH3)4Cl2xH2O in distilled water; (b) the production of a suspension by the addition of the zeolite in the solution obtained in (a); (c) stirring the suspension for a predetermined time, filtrating, washing without chloride and drying at a predetermined drying temperature; (d) heating progressively the dried pulverulent material at ca. 400C under nitrogen; (e) reducing the heated material by the addition of a forming gas during 4 hours at ca. 400C; and (f) cooling the reduced material under nitrogen.    USE -   Used in hydrogen processing for use in fuel cells for electrical vehicles.