Abstract: Composite materials comprising, inter alia, a dispersion strengthened platinum-palladium-dispersion strengthened platinum sandwich have comparable properties of strength, ductility and electrical conductivity to the rhodium-platinum alloys used for fibre-glass bushings in the glass industry.

Abstract: This invention relates to catalyst units embodying or consisting of catalytic material in wire or strip (herein referred to simply as "wire") form and especially to such units for catalytic oxidation of gases.The catalyst unit of the invention is particularly suitable for use in the manufacture of hydrocyanic acid comprises a pack of woven metallic gauzes wherein at least some of the gauzes disposed at or towards the front of the pack are made from wire (as herein defined) having a cross-sectional area greater than at least some of the gauzes disposed at or towards the rear of the pack.

Abstract: This invention relates to a laminated article, particularly to such an article comprising a gauze pack containing two or more gauzes such as are typically used as catalyst catchment or getter means in nitric acid production plants.Specifically, this invention provides a gauze pack segment suitable for locating in planar contiguous relationship with one or more further gauze pack segments to provide a gauze pack having a predetermined, for example, a regular geometric shape comprises a plurality of superposed gauze segments having at least when assembled substantially identical shape and area and held in fixed relationship one with another.

Abstract: This invention relates to a laminated article, particularly to such an article comprising a gauze pack containing two or more gauzes such as are typically used as catalyst catchment or getter means in nitric acid production plants.Specifically, this invention provides a gauze pack segment suitable for locating in planar contiguous relationship with one or more further gauze pack segments to provide a gauze pack having a predetermined, for example, a regular geometric shape comprises a plurality of superposed gauze segments having at least when assembled substantially identical shape and area and held in fixed relationship one with another.